20060303a

57 files changed, 7783 insertions, 0 deletions

diff --git a/libsec/port/aes.c b/libsec/port/aes.c
new file mode 100644
index 00000000..b9469897
--- /dev/null
+++ b/libsec/port/aes.c
@@ -0,0 +1,1543 @@
+/*
+ * this code is derived from the following source,
+ * and modified to fit into the plan 9 libsec interface.
+ * most of the changes are confined to the top section,
+ * with the exception of converting Te4 and Td4 into u8 rather than u32 arrays.
+ *
+ * rijndael-alg-fst.c
+ *
+ * @version 3.0 (December 2000)
+ *
+ * Optimised ANSI C code for the Rijndael cipher (now AES)
+ *
+ * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
+ * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
+ * @author Paulo Barreto <paulo.barreto@terra.com.br>
+ *
+ * This code is hereby placed in the public domain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "os.h"
+#include <libsec.h>
+
+typedef uchar	u8;
+typedef u32int	u32;
+#define FULL_UNROLL
+
+static const u32 Td0[256];
+static const u32 Td1[256];
+static const u32 Td2[256];
+static const u32 Td3[256];
+static const u8  Te4[256];
+
+static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits);
+static int rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits);
+static int rijndaelKeySetup(u32 erk[/*4*(Nr + 1)*/], u32 drk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits);
+static void	rijndaelEncrypt(const u32int rk[], int Nr, const uchar pt[16], uchar ct[16]);
+static void	rijndaelDecrypt(const u32int rk[], int Nr, const uchar ct[16], uchar pt[16]);
+
+void
+setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec)
+{
+	memset(s, 0, sizeof(*s));
+	if(keybytes > AESmaxkey)
+		keybytes = AESmaxkey;
+	memmove(s->key, key, keybytes);
+	s->keybytes = keybytes;
+	s->rounds = rijndaelKeySetup(s->ekey, s->dkey, s->key, keybytes * 8);
+	if(ivec != nil)
+		memmove(s->ivec, ivec, AESbsize);
+	if(keybytes==16 || keybytes==24 || keybytes==32)
+		s->setup = 0xcafebabe;
+	// else rijndaelKeySetup was invalid
+}
+
+// Define by analogy with desCBCencrypt;  AES modes are not standardized yet.
+// Because of the way that non-multiple-of-16 buffers are handled,
+// the decryptor must be fed buffers of the same size as the encryptor.
+void
+aesCBCencrypt(uchar *p, int len, AESstate *s)
+{
+	uchar *p2, *ip, *eip;
+	uchar q[AESbsize];
+
+	for(; len >= AESbsize; len -= AESbsize){
+		p2 = p;
+		ip = s->ivec;
+		for(eip = ip+AESbsize; ip < eip; )
+			*p2++ ^= *ip++;
+		rijndaelEncrypt(s->ekey, s->rounds, p, q);
+		memmove(s->ivec, q, AESbsize);
+		memmove(p, q, AESbsize);
+		p += AESbsize;
+	}
+
+	if(len > 0){
+		ip = s->ivec;
+		rijndaelEncrypt(s->ekey, s->rounds, ip, q);
+		memmove(s->ivec, q, AESbsize);
+		for(eip = ip+len; ip < eip; )
+			*p++ ^= *ip++;
+	}
+}
+
+void
+aesCBCdecrypt(uchar *p, int len, AESstate *s)
+{
+	uchar *ip, *eip, *tp;
+	uchar tmp[AESbsize], q[AESbsize];
+
+	for(; len >= AESbsize; len -= AESbsize){
+		memmove(tmp, p, AESbsize);
+		rijndaelDecrypt(s->dkey, s->rounds, p, q);
+		memmove(p, q, AESbsize);
+		tp = tmp;
+		ip = s->ivec;
+		for(eip = ip+AESbsize; ip < eip; ){
+			*p++ ^= *ip;
+			*ip++ = *tp++;
+		}
+	}
+
+	if(len > 0){
+		ip = s->ivec;
+		rijndaelEncrypt(s->ekey, s->rounds, ip, q);
+		memmove(s->ivec, q, AESbsize);
+		for(eip = ip+len; ip < eip; )
+			*p++ ^= *ip++;
+	}
+}
+
+/*
+ * this function has been changed for plan 9.
+ * Expand the cipher key into the encryption and decryption key schedules.
+ *
+ * @return	the number of rounds for the given cipher key size.
+ */
+static int rijndaelKeySetup(u32 erk[/*4*(Nr + 1)*/], u32 drk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) {
+	int Nr, i;
+
+	/* expand the cipher key: */
+	Nr = rijndaelKeySetupEnc(erk, cipherKey, keyBits);
+
+	/*
+	 * invert the order of the round keys and
+	 * apply the inverse MixColumn transform to all round keys but the first and the last
+	 */
+	drk[0       ] = erk[4*Nr    ]; 
+	drk[1       ] = erk[4*Nr + 1];
+	drk[2       ] = erk[4*Nr + 2]; 
+	drk[3       ] = erk[4*Nr + 3];
+	drk[4*Nr    ] = erk[0       ]; 
+	drk[4*Nr + 1] = erk[1       ];
+	drk[4*Nr + 2] = erk[2       ]; 
+	drk[4*Nr + 3] = erk[3       ];
+	erk += 4 * Nr;
+	for (i = 1; i < Nr; i++) {
+		drk += 4;
+		erk -= 4;
+		drk[0] =
+		    Td0[Te4[(erk[0] >> 24)       ]] ^
+		    Td1[Te4[(erk[0] >> 16) & 0xff]] ^
+		    Td2[Te4[(erk[0] >>  8) & 0xff]] ^
+		    Td3[Te4[(erk[0]      ) & 0xff]];
+		drk[1] =
+		    Td0[Te4[(erk[1] >> 24)       ]] ^
+		    Td1[Te4[(erk[1] >> 16) & 0xff]] ^
+		    Td2[Te4[(erk[1] >>  8) & 0xff]] ^
+		    Td3[Te4[(erk[1]      ) & 0xff]];
+		drk[2] =
+		    Td0[Te4[(erk[2] >> 24)       ]] ^
+		    Td1[Te4[(erk[2] >> 16) & 0xff]] ^
+		    Td2[Te4[(erk[2] >>  8) & 0xff]] ^
+		    Td3[Te4[(erk[2]      ) & 0xff]];
+		drk[3] =
+		    Td0[Te4[(erk[3] >> 24)       ]] ^
+		    Td1[Te4[(erk[3] >> 16) & 0xff]] ^
+		    Td2[Te4[(erk[3] >>  8) & 0xff]] ^
+		    Td3[Te4[(erk[3]      ) & 0xff]];
+	}
+	return Nr;
+}
+
+/*
+Te0[x] = S [x].[02, 01, 01, 03];
+Te1[x] = S [x].[03, 02, 01, 01];
+Te2[x] = S [x].[01, 03, 02, 01];
+Te3[x] = S [x].[01, 01, 03, 02];
+Te4[x] = S [x]
+
+Td0[x] = Si[x].[0e, 09, 0d, 0b];
+Td1[x] = Si[x].[0b, 0e, 09, 0d];
+Td2[x] = Si[x].[0d, 0b, 0e, 09];
+Td3[x] = Si[x].[09, 0d, 0b, 0e];
+Td4[x] = Si[x]
+*/
+
+static const u32 Te0[256] = {
+    0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
+    0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
+    0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
+    0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
+    0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
+    0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
+    0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
+    0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
+    0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
+    0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
+    0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
+    0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
+    0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
+    0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
+    0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
+    0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
+    0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
+    0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
+    0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
+    0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
+    0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
+    0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
+    0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
+    0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
+    0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
+    0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
+    0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
+    0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
+    0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
+    0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
+    0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
+    0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
+    0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
+    0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
+    0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
+    0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
+    0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
+    0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
+    0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
+    0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
+    0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
+    0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
+    0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
+    0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
+    0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
+    0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
+    0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
+    0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
+    0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
+    0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
+    0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
+    0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
+    0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
+    0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
+    0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
+    0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
+    0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
+    0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
+    0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
+    0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
+    0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
+    0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
+    0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
+    0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
+};
+static const u32 Te1[256] = {
+    0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
+    0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
+    0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
+    0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
+    0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
+    0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
+    0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
+    0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
+    0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
+    0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
+    0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
+    0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
+    0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
+    0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
+    0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
+    0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
+    0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
+    0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
+    0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
+    0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
+    0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
+    0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
+    0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
+    0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
+    0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
+    0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
+    0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
+    0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
+    0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
+    0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
+    0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
+    0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
+    0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
+    0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
+    0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
+    0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
+    0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
+    0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
+    0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
+    0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
+    0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
+    0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
+    0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
+    0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
+    0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
+    0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
+    0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
+    0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
+    0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
+    0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
+    0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
+    0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
+    0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
+    0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
+    0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
+    0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
+    0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
+    0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
+    0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
+    0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
+    0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
+    0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
+    0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
+    0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
+};
+static const u32 Te2[256] = {
+    0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
+    0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
+    0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
+    0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
+    0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
+    0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
+    0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
+    0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
+    0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
+    0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
+    0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
+    0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
+    0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
+    0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
+    0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
+    0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
+    0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
+    0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
+    0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
+    0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
+    0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
+    0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
+    0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
+    0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
+    0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
+    0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
+    0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
+    0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
+    0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
+    0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
+    0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
+    0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
+    0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
+    0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
+    0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
+    0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
+    0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
+    0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
+    0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
+    0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
+    0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
+    0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
+    0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
+    0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
+    0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
+    0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
+    0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
+    0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
+    0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
+    0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
+    0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
+    0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
+    0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
+    0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
+    0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
+    0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
+    0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
+    0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
+    0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
+    0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
+    0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
+    0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
+    0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
+    0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
+};
+static const u32 Te3[256] = {
+
+    0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
+    0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
+    0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
+    0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
+    0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
+    0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
+    0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
+    0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
+    0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
+    0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
+    0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
+    0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
+    0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
+    0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
+    0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
+    0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
+    0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
+    0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
+    0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
+    0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
+    0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
+    0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
+    0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
+    0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
+    0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
+    0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
+    0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
+    0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
+    0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
+    0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
+    0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
+    0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
+    0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
+    0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
+    0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
+    0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
+    0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
+    0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
+    0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
+    0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
+    0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
+    0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
+    0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
+    0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
+    0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
+    0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
+    0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
+    0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
+    0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
+    0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
+    0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
+    0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
+    0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
+    0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
+    0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
+    0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
+    0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
+    0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
+    0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
+    0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
+    0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
+    0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
+    0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
+    0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
+};
+static const u8 Te4[256] = {
+    0x63U, 0x7cU, 0x77U, 0x7bU,
+    0xf2U, 0x6bU, 0x6fU, 0xc5U,
+    0x30U, 0x01U, 0x67U, 0x2bU,
+    0xfeU, 0xd7U, 0xabU, 0x76U,
+    0xcaU, 0x82U, 0xc9U, 0x7dU,
+    0xfaU, 0x59U, 0x47U, 0xf0U,
+    0xadU, 0xd4U, 0xa2U, 0xafU,
+    0x9cU, 0xa4U, 0x72U, 0xc0U,
+    0xb7U, 0xfdU, 0x93U, 0x26U,
+    0x36U, 0x3fU, 0xf7U, 0xccU,
+    0x34U, 0xa5U, 0xe5U, 0xf1U,
+    0x71U, 0xd8U, 0x31U, 0x15U,
+    0x04U, 0xc7U, 0x23U, 0xc3U,
+    0x18U, 0x96U, 0x05U, 0x9aU,
+    0x07U, 0x12U, 0x80U, 0xe2U,
+    0xebU, 0x27U, 0xb2U, 0x75U,
+    0x09U, 0x83U, 0x2cU, 0x1aU,
+    0x1bU, 0x6eU, 0x5aU, 0xa0U,
+    0x52U, 0x3bU, 0xd6U, 0xb3U,
+    0x29U, 0xe3U, 0x2fU, 0x84U,
+    0x53U, 0xd1U, 0x00U, 0xedU,
+    0x20U, 0xfcU, 0xb1U, 0x5bU,
+    0x6aU, 0xcbU, 0xbeU, 0x39U,
+    0x4aU, 0x4cU, 0x58U, 0xcfU,
+    0xd0U, 0xefU, 0xaaU, 0xfbU,
+    0x43U, 0x4dU, 0x33U, 0x85U,
+    0x45U, 0xf9U, 0x02U, 0x7fU,
+    0x50U, 0x3cU, 0x9fU, 0xa8U,
+    0x51U, 0xa3U, 0x40U, 0x8fU,
+    0x92U, 0x9dU, 0x38U, 0xf5U,
+    0xbcU, 0xb6U, 0xdaU, 0x21U,
+    0x10U, 0xffU, 0xf3U, 0xd2U,
+    0xcdU, 0x0cU, 0x13U, 0xecU,
+    0x5fU, 0x97U, 0x44U, 0x17U,
+    0xc4U, 0xa7U, 0x7eU, 0x3dU,
+    0x64U, 0x5dU, 0x19U, 0x73U,
+    0x60U, 0x81U, 0x4fU, 0xdcU,
+    0x22U, 0x2aU, 0x90U, 0x88U,
+    0x46U, 0xeeU, 0xb8U, 0x14U,
+    0xdeU, 0x5eU, 0x0bU, 0xdbU,
+    0xe0U, 0x32U, 0x3aU, 0x0aU,
+    0x49U, 0x06U, 0x24U, 0x5cU,
+    0xc2U, 0xd3U, 0xacU, 0x62U,
+    0x91U, 0x95U, 0xe4U, 0x79U,
+    0xe7U, 0xc8U, 0x37U, 0x6dU,
+    0x8dU, 0xd5U, 0x4eU, 0xa9U,
+    0x6cU, 0x56U, 0xf4U, 0xeaU,
+    0x65U, 0x7aU, 0xaeU, 0x08U,
+    0xbaU, 0x78U, 0x25U, 0x2eU,
+    0x1cU, 0xa6U, 0xb4U, 0xc6U,
+    0xe8U, 0xddU, 0x74U, 0x1fU,
+    0x4bU, 0xbdU, 0x8bU, 0x8aU,
+    0x70U, 0x3eU, 0xb5U, 0x66U,
+    0x48U, 0x03U, 0xf6U, 0x0eU,
+    0x61U, 0x35U, 0x57U, 0xb9U,
+    0x86U, 0xc1U, 0x1dU, 0x9eU,
+    0xe1U, 0xf8U, 0x98U, 0x11U,
+    0x69U, 0xd9U, 0x8eU, 0x94U,
+    0x9bU, 0x1eU, 0x87U, 0xe9U,
+    0xceU, 0x55U, 0x28U, 0xdfU,
+    0x8cU, 0xa1U, 0x89U, 0x0dU,
+    0xbfU, 0xe6U, 0x42U, 0x68U,
+    0x41U, 0x99U, 0x2dU, 0x0fU,
+    0xb0U, 0x54U, 0xbbU, 0x16U,
+};
+static const u32 Td0[256] = {
+    0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
+    0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
+    0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
+    0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
+    0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
+    0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
+    0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
+    0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
+    0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
+    0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
+    0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
+    0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
+    0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
+    0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
+    0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
+    0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
+    0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
+    0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
+    0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
+    0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
+    0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
+    0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
+    0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
+    0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
+    0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
+    0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
+    0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
+    0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
+    0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
+    0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
+    0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
+    0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
+    0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
+    0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
+    0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
+    0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
+    0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
+    0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
+    0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
+    0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
+    0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
+    0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
+    0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
+    0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
+    0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
+    0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
+    0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
+    0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
+    0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
+    0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
+    0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
+    0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
+    0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
+    0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
+    0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
+    0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
+    0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
+    0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
+    0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
+    0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
+    0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
+    0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
+    0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
+    0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
+};
+static const u32 Td1[256] = {
+    0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
+    0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
+    0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
+    0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
+    0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
+    0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
+    0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
+    0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
+    0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
+    0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
+    0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
+    0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
+    0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
+    0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
+    0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
+    0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
+    0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
+    0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
+    0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
+    0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
+    0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
+    0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
+    0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
+    0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
+    0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
+    0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
+    0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
+    0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
+    0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
+    0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
+    0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
+    0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
+    0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
+    0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
+    0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
+    0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
+    0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
+    0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
+    0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
+    0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
+    0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
+    0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
+    0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
+    0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
+    0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
+    0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
+    0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
+    0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
+    0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
+    0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
+    0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
+    0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
+    0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
+    0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
+    0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
+    0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
+    0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
+    0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
+    0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
+    0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
+    0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
+    0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
+    0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
+    0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
+};
+static const u32 Td2[256] = {
+    0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
+    0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
+    0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
+    0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
+    0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
+    0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
+    0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
+    0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
+    0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
+    0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
+    0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
+    0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
+    0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
+    0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
+    0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
+    0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
+    0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
+    0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
+    0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
+    0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
+
+    0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
+    0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
+    0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
+    0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
+    0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
+    0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
+    0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
+    0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
+    0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
+    0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
+    0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
+    0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
+    0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
+    0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
+    0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
+    0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
+    0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
+    0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
+    0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
+    0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
+    0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
+    0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
+    0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
+    0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
+    0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
+    0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
+    0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
+    0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
+    0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
+    0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
+    0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
+    0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
+    0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
+    0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
+    0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
+    0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
+    0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
+    0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
+    0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
+    0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
+    0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
+    0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
+    0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
+    0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
+};
+static const u32 Td3[256] = {
+    0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
+    0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
+    0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
+    0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
+    0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
+    0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
+    0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
+    0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
+    0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
+    0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
+    0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
+    0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
+    0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
+    0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
+    0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
+    0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
+    0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
+    0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
+    0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
+    0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
+    0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
+    0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
+    0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
+    0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
+    0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
+    0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
+    0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
+    0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
+    0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
+    0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
+    0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
+    0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
+    0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
+    0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
+    0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
+    0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
+    0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
+    0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
+    0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
+    0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
+    0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
+    0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
+    0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
+    0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
+    0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
+    0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
+    0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
+    0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
+    0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
+    0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
+    0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
+    0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
+    0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
+    0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
+    0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
+    0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
+    0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
+    0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
+    0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
+    0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
+    0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
+    0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
+    0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
+    0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
+};
+static const u8 Td4[256] = {
+    0x52U, 0x09U, 0x6aU, 0xd5U,
+    0x30U, 0x36U, 0xa5U, 0x38U,
+    0xbfU, 0x40U, 0xa3U, 0x9eU,
+    0x81U, 0xf3U, 0xd7U, 0xfbU,
+    0x7cU, 0xe3U, 0x39U, 0x82U,
+    0x9bU, 0x2fU, 0xffU, 0x87U,
+    0x34U, 0x8eU, 0x43U, 0x44U,
+    0xc4U, 0xdeU, 0xe9U, 0xcbU,
+    0x54U, 0x7bU, 0x94U, 0x32U,
+    0xa6U, 0xc2U, 0x23U, 0x3dU,
+    0xeeU, 0x4cU, 0x95U, 0x0bU,
+    0x42U, 0xfaU, 0xc3U, 0x4eU,
+    0x08U, 0x2eU, 0xa1U, 0x66U,
+    0x28U, 0xd9U, 0x24U, 0xb2U,
+    0x76U, 0x5bU, 0xa2U, 0x49U,
+    0x6dU, 0x8bU, 0xd1U, 0x25U,
+    0x72U, 0xf8U, 0xf6U, 0x64U,
+    0x86U, 0x68U, 0x98U, 0x16U,
+    0xd4U, 0xa4U, 0x5cU, 0xccU,
+    0x5dU, 0x65U, 0xb6U, 0x92U,
+    0x6cU, 0x70U, 0x48U, 0x50U,
+    0xfdU, 0xedU, 0xb9U, 0xdaU,
+    0x5eU, 0x15U, 0x46U, 0x57U,
+    0xa7U, 0x8dU, 0x9dU, 0x84U,
+    0x90U, 0xd8U, 0xabU, 0x00U,
+    0x8cU, 0xbcU, 0xd3U, 0x0aU,
+    0xf7U, 0xe4U, 0x58U, 0x05U,
+    0xb8U, 0xb3U, 0x45U, 0x06U,
+    0xd0U, 0x2cU, 0x1eU, 0x8fU,
+    0xcaU, 0x3fU, 0x0fU, 0x02U,
+    0xc1U, 0xafU, 0xbdU, 0x03U,
+    0x01U, 0x13U, 0x8aU, 0x6bU,
+    0x3aU, 0x91U, 0x11U, 0x41U,
+    0x4fU, 0x67U, 0xdcU, 0xeaU,
+    0x97U, 0xf2U, 0xcfU, 0xceU,
+    0xf0U, 0xb4U, 0xe6U, 0x73U,
+    0x96U, 0xacU, 0x74U, 0x22U,
+    0xe7U, 0xadU, 0x35U, 0x85U,
+    0xe2U, 0xf9U, 0x37U, 0xe8U,
+    0x1cU, 0x75U, 0xdfU, 0x6eU,
+    0x47U, 0xf1U, 0x1aU, 0x71U,
+    0x1dU, 0x29U, 0xc5U, 0x89U,
+    0x6fU, 0xb7U, 0x62U, 0x0eU,
+    0xaaU, 0x18U, 0xbeU, 0x1bU,
+    0xfcU, 0x56U, 0x3eU, 0x4bU,
+    0xc6U, 0xd2U, 0x79U, 0x20U,
+    0x9aU, 0xdbU, 0xc0U, 0xfeU,
+    0x78U, 0xcdU, 0x5aU, 0xf4U,
+    0x1fU, 0xddU, 0xa8U, 0x33U,
+    0x88U, 0x07U, 0xc7U, 0x31U,
+    0xb1U, 0x12U, 0x10U, 0x59U,
+    0x27U, 0x80U, 0xecU, 0x5fU,
+    0x60U, 0x51U, 0x7fU, 0xa9U,
+    0x19U, 0xb5U, 0x4aU, 0x0dU,
+    0x2dU, 0xe5U, 0x7aU, 0x9fU,
+    0x93U, 0xc9U, 0x9cU, 0xefU,
+    0xa0U, 0xe0U, 0x3bU, 0x4dU,
+    0xaeU, 0x2aU, 0xf5U, 0xb0U,
+    0xc8U, 0xebU, 0xbbU, 0x3cU,
+    0x83U, 0x53U, 0x99U, 0x61U,
+    0x17U, 0x2bU, 0x04U, 0x7eU,
+    0xbaU, 0x77U, 0xd6U, 0x26U,
+    0xe1U, 0x69U, 0x14U, 0x63U,
+    0x55U, 0x21U, 0x0cU, 0x7dU,
+};
+static const u32 rcon[] = {
+	0x01000000, 0x02000000, 0x04000000, 0x08000000,
+	0x10000000, 0x20000000, 0x40000000, 0x80000000,
+	0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
+};
+
+#define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
+
+#ifdef _MSC_VER
+#define GETU32(p) SWAP(*((u32 *)(p)))
+#define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
+#else
+#define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
+#define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
+#endif
+
+/**
+ * Expand the cipher key into the encryption key schedule.
+ *
+ * @return	the number of rounds for the given cipher key size.
+ */
+static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) {
+   	int i = 0;
+	u32 temp;
+
+	rk[0] = GETU32(cipherKey     );
+	rk[1] = GETU32(cipherKey +  4);
+	rk[2] = GETU32(cipherKey +  8);
+	rk[3] = GETU32(cipherKey + 12);
+	if (keyBits == 128) {
+		for (;;) {
+			temp  = rk[3];
+			rk[4] = rk[0] ^
+				(Te4[(temp >> 16) & 0xff] << 24) ^
+				(Te4[(temp >>  8) & 0xff] << 16) ^
+				(Te4[(temp      ) & 0xff] <<  8) ^
+				(Te4[(temp >> 24)       ]      ) ^
+				rcon[i];
+			rk[5] = rk[1] ^ rk[4];
+			rk[6] = rk[2] ^ rk[5];
+			rk[7] = rk[3] ^ rk[6];
+			if (++i == 10) {
+				return 10;
+			}
+			rk += 4;
+		}
+	}
+	rk[4] = GETU32(cipherKey + 16);
+	rk[5] = GETU32(cipherKey + 20);
+	if (keyBits == 192) {
+		for (;;) {
+			temp = rk[ 5];
+			rk[ 6] = rk[ 0] ^
+				(Te4[(temp >> 16) & 0xff] << 24) ^
+				(Te4[(temp >>  8) & 0xff] << 16) ^
+				(Te4[(temp      ) & 0xff] <<  8) ^
+				(Te4[(temp >> 24)       ]      ) ^
+				rcon[i];
+			rk[ 7] = rk[ 1] ^ rk[ 6];
+			rk[ 8] = rk[ 2] ^ rk[ 7];
+			rk[ 9] = rk[ 3] ^ rk[ 8];
+			if (++i == 8) {
+				return 12;
+			}
+			rk[10] = rk[ 4] ^ rk[ 9];
+			rk[11] = rk[ 5] ^ rk[10];
+			rk += 6;
+		}
+	}
+	rk[6] = GETU32(cipherKey + 24);
+	rk[7] = GETU32(cipherKey + 28);
+	if (keyBits == 256) {
+        for (;;) {
+        	temp = rk[ 7];
+        	rk[ 8] = rk[ 0] ^
+        		(Te4[(temp >> 16) & 0xff] << 24) ^
+        		(Te4[(temp >>  8) & 0xff] << 16) ^
+        		(Te4[(temp      ) & 0xff] <<  8) ^
+        		(Te4[(temp >> 24)       ]      ) ^
+        		rcon[i];
+        	rk[ 9] = rk[ 1] ^ rk[ 8];
+        	rk[10] = rk[ 2] ^ rk[ 9];
+        	rk[11] = rk[ 3] ^ rk[10];
+			if (++i == 7) {
+				return 14;
+			}
+        	temp = rk[11];
+        	rk[12] = rk[ 4] ^
+        		(Te4[(temp >> 24)       ] << 24) ^
+        		(Te4[(temp >> 16) & 0xff] << 16) ^
+        		(Te4[(temp >>  8) & 0xff] <<  8) ^
+        		(Te4[(temp      ) & 0xff]      );
+        	rk[13] = rk[ 5] ^ rk[12];
+        	rk[14] = rk[ 6] ^ rk[13];
+        	rk[15] = rk[ 7] ^ rk[14];
+
+			rk += 8;
+        }
+	}
+	return 0;
+}
+
+/**
+ * Expand the cipher key into the decryption key schedule.
+ *
+ * @return	the number of rounds for the given cipher key size.
+ */
+static int rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) {
+	int Nr, i, j;
+	u32 temp;
+
+	/* expand the cipher key: */
+	Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
+	/* invert the order of the round keys: */
+	for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
+		temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
+		temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
+		temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
+		temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
+	}
+	/* apply the inverse MixColumn transform to all round keys but the first and the last: */
+	for (i = 1; i < Nr; i++) {
+		rk += 4;
+		rk[0] =
+			Td0[Te4[(rk[0] >> 24)       ]] ^
+			Td1[Te4[(rk[0] >> 16) & 0xff]] ^
+			Td2[Te4[(rk[0] >>  8) & 0xff]] ^
+			Td3[Te4[(rk[0]      ) & 0xff]];
+		rk[1] =
+			Td0[Te4[(rk[1] >> 24)       ]] ^
+			Td1[Te4[(rk[1] >> 16) & 0xff]] ^
+			Td2[Te4[(rk[1] >>  8) & 0xff]] ^
+			Td3[Te4[(rk[1]      ) & 0xff]];
+		rk[2] =
+			Td0[Te4[(rk[2] >> 24)       ]] ^
+			Td1[Te4[(rk[2] >> 16) & 0xff]] ^
+			Td2[Te4[(rk[2] >>  8) & 0xff]] ^
+			Td3[Te4[(rk[2]      ) & 0xff]];
+		rk[3] =
+			Td0[Te4[(rk[3] >> 24)       ]] ^
+			Td1[Te4[(rk[3] >> 16) & 0xff]] ^
+			Td2[Te4[(rk[3] >>  8) & 0xff]] ^
+			Td3[Te4[(rk[3]      ) & 0xff]];
+	}
+	return Nr;
+}
+
+static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16], u8 ct[16]) {
+	u32 s0, s1, s2, s3, t0, t1, t2, t3;
+#ifndef FULL_UNROLL
+    int r;
+#endif /* ?FULL_UNROLL */
+
+    /*
+	 * map byte array block to cipher state
+	 * and add initial round key:
+	 */
+	s0 = GETU32(pt     ) ^ rk[0];
+	s1 = GETU32(pt +  4) ^ rk[1];
+	s2 = GETU32(pt +  8) ^ rk[2];
+	s3 = GETU32(pt + 12) ^ rk[3];
+#ifdef FULL_UNROLL
+    /* round 1: */
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
+   	/* round 2: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
+    /* round 3: */
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
+   	/* round 4: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
+    /* round 5: */
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
+   	/* round 6: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
+    /* round 7: */
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
+   	/* round 8: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
+    /* round 9: */
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
+    if (Nr > 10) {
+        /* round 10: */
+        s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
+        s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
+        s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
+        s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
+        /* round 11: */
+        t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
+        t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
+        t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
+        t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
+        if (Nr > 12) {
+            /* round 12: */
+            s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
+            s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
+            s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
+            s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
+            /* round 13: */
+            t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
+            t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
+            t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
+            t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
+        }
+    }
+    rk += Nr << 2;
+#else  /* !FULL_UNROLL */
+    /*
+	 * Nr - 1 full rounds:
+	 */
+    r = Nr >> 1;
+    for (;;) {
+        t0 =
+            Te0[(s0 >> 24)       ] ^
+            Te1[(s1 >> 16) & 0xff] ^
+            Te2[(s2 >>  8) & 0xff] ^
+            Te3[(s3      ) & 0xff] ^
+            rk[4];
+        t1 =
+            Te0[(s1 >> 24)       ] ^
+            Te1[(s2 >> 16) & 0xff] ^
+            Te2[(s3 >>  8) & 0xff] ^
+            Te3[(s0      ) & 0xff] ^
+            rk[5];
+        t2 =
+            Te0[(s2 >> 24)       ] ^
+            Te1[(s3 >> 16) & 0xff] ^
+            Te2[(s0 >>  8) & 0xff] ^
+            Te3[(s1      ) & 0xff] ^
+            rk[6];
+        t3 =
+            Te0[(s3 >> 24)       ] ^
+            Te1[(s0 >> 16) & 0xff] ^
+            Te2[(s1 >>  8) & 0xff] ^
+            Te3[(s2      ) & 0xff] ^
+            rk[7];
+
+        rk += 8;
+        if (--r == 0) {
+            break;
+        }
+
+        s0 =
+            Te0[(t0 >> 24)       ] ^
+            Te1[(t1 >> 16) & 0xff] ^
+            Te2[(t2 >>  8) & 0xff] ^
+            Te3[(t3      ) & 0xff] ^
+            rk[0];
+        s1 =
+            Te0[(t1 >> 24)       ] ^
+            Te1[(t2 >> 16) & 0xff] ^
+            Te2[(t3 >>  8) & 0xff] ^
+            Te3[(t0      ) & 0xff] ^
+            rk[1];
+        s2 =
+            Te0[(t2 >> 24)       ] ^
+            Te1[(t3 >> 16) & 0xff] ^
+            Te2[(t0 >>  8) & 0xff] ^
+            Te3[(t1      ) & 0xff] ^
+            rk[2];
+        s3 =
+            Te0[(t3 >> 24)       ] ^
+            Te1[(t0 >> 16) & 0xff] ^
+            Te2[(t1 >>  8) & 0xff] ^
+            Te3[(t2      ) & 0xff] ^
+            rk[3];
+    }
+#endif /* ?FULL_UNROLL */
+    /*
+	 * apply last round and
+	 * map cipher state to byte array block:
+	 */
+	s0 =
+		(Te4[(t0 >> 24)       ] << 24) ^
+		(Te4[(t1 >> 16) & 0xff] << 16) ^
+		(Te4[(t2 >>  8) & 0xff] <<  8) ^
+		(Te4[(t3      ) & 0xff]      ) ^
+		rk[0];
+	PUTU32(ct     , s0);
+	s1 =
+		(Te4[(t1 >> 24)       ] << 24) ^
+		(Te4[(t2 >> 16) & 0xff] << 16) ^
+		(Te4[(t3 >>  8) & 0xff] <<  8) ^
+		(Te4[(t0      ) & 0xff]      ) ^
+		rk[1];
+	PUTU32(ct +  4, s1);
+	s2 =
+		(Te4[(t2 >> 24)       ] << 24) ^
+		(Te4[(t3 >> 16) & 0xff] << 16) ^
+		(Te4[(t0 >>  8) & 0xff] <<  8) ^
+		(Te4[(t1      ) & 0xff]      ) ^
+		rk[2];
+	PUTU32(ct +  8, s2);
+	s3 =
+		(Te4[(t3 >> 24)       ] << 24) ^
+		(Te4[(t0 >> 16) & 0xff] << 16) ^
+		(Te4[(t1 >>  8) & 0xff] <<  8) ^
+		(Te4[(t2      ) & 0xff]      ) ^
+		rk[3];
+	PUTU32(ct + 12, s3);
+}
+
+static void rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16], u8 pt[16]) {
+	u32 s0, s1, s2, s3, t0, t1, t2, t3;
+#ifndef FULL_UNROLL
+    int r;
+#endif /* ?FULL_UNROLL */
+
+    /*
+	 * map byte array block to cipher state
+	 * and add initial round key:
+	 */
+    s0 = GETU32(ct     ) ^ rk[0];
+    s1 = GETU32(ct +  4) ^ rk[1];
+    s2 = GETU32(ct +  8) ^ rk[2];
+    s3 = GETU32(ct + 12) ^ rk[3];
+#ifdef FULL_UNROLL
+    /* round 1: */
+    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
+    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
+    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
+    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
+    /* round 2: */
+    s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
+    s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
+    s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
+    s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
+    /* round 3: */
+    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
+    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
+    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
+    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
+    /* round 4: */
+    s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
+    s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
+    s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
+    s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
+    /* round 5: */
+    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
+    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
+    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
+    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
+    /* round 6: */
+    s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
+    s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
+    s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
+    s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
+    /* round 7: */
+    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
+    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
+    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
+    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
+    /* round 8: */
+    s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
+    s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
+    s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
+    s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
+    /* round 9: */
+    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
+    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
+    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
+    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
+    if (Nr > 10) {
+        /* round 10: */
+        s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
+        s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
+        s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
+        s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
+        /* round 11: */
+        t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
+        t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
+        t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
+        t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
+        if (Nr > 12) {
+            /* round 12: */
+            s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
+            s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
+            s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
+            s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
+            /* round 13: */
+            t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
+            t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
+            t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
+            t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
+        }
+    }
+	rk += Nr << 2;
+#else  /* !FULL_UNROLL */
+    /*
+     * Nr - 1 full rounds:
+     */
+    r = Nr >> 1;
+    for (;;) {
+        t0 =
+            Td0[(s0 >> 24)       ] ^
+            Td1[(s3 >> 16) & 0xff] ^
+            Td2[(s2 >>  8) & 0xff] ^
+            Td3[(s1      ) & 0xff] ^
+            rk[4];
+        t1 =
+            Td0[(s1 >> 24)       ] ^
+            Td1[(s0 >> 16) & 0xff] ^
+            Td2[(s3 >>  8) & 0xff] ^
+            Td3[(s2      ) & 0xff] ^
+            rk[5];
+        t2 =
+            Td0[(s2 >> 24)       ] ^
+            Td1[(s1 >> 16) & 0xff] ^
+            Td2[(s0 >>  8) & 0xff] ^
+            Td3[(s3      ) & 0xff] ^
+            rk[6];
+        t3 =
+            Td0[(s3 >> 24)       ] ^
+            Td1[(s2 >> 16) & 0xff] ^
+            Td2[(s1 >>  8) & 0xff] ^
+            Td3[(s0      ) & 0xff] ^
+            rk[7];
+
+        rk += 8;
+        if (--r == 0) {
+            break;
+        }
+
+        s0 =
+            Td0[(t0 >> 24)       ] ^
+            Td1[(t3 >> 16) & 0xff] ^
+            Td2[(t2 >>  8) & 0xff] ^
+            Td3[(t1      ) & 0xff] ^
+            rk[0];
+        s1 =
+            Td0[(t1 >> 24)       ] ^
+            Td1[(t0 >> 16) & 0xff] ^
+            Td2[(t3 >>  8) & 0xff] ^
+            Td3[(t2      ) & 0xff] ^
+            rk[1];
+        s2 =
+            Td0[(t2 >> 24)       ] ^
+            Td1[(t1 >> 16) & 0xff] ^
+            Td2[(t0 >>  8) & 0xff] ^
+            Td3[(t3      ) & 0xff] ^
+            rk[2];
+        s3 =
+            Td0[(t3 >> 24)       ] ^
+            Td1[(t2 >> 16) & 0xff] ^
+            Td2[(t1 >>  8) & 0xff] ^
+            Td3[(t0      ) & 0xff] ^
+            rk[3];
+    }
+#endif /* ?FULL_UNROLL */
+    /*
+	 * apply last round and
+	 * map cipher state to byte array block:
+	 */
+   	s0 =
+   		(Td4[(t0 >> 24)       ] << 24) ^
+   		(Td4[(t3 >> 16) & 0xff] << 16) ^
+   		(Td4[(t2 >>  8) & 0xff] <<  8) ^
+   		(Td4[(t1      ) & 0xff]      ) ^
+   		rk[0];
+	PUTU32(pt     , s0);
+   	s1 =
+   		(Td4[(t1 >> 24)       ] << 24) ^
+   		(Td4[(t0 >> 16) & 0xff] << 16) ^
+   		(Td4[(t3 >>  8) & 0xff] <<  8) ^
+   		(Td4[(t2      ) & 0xff]      ) ^
+   		rk[1];
+	PUTU32(pt +  4, s1);
+   	s2 =
+   		(Td4[(t2 >> 24)       ] << 24) ^
+   		(Td4[(t1 >> 16) & 0xff] << 16) ^
+   		(Td4[(t0 >>  8) & 0xff] <<  8) ^
+   		(Td4[(t3      ) & 0xff]      ) ^
+   		rk[2];
+	PUTU32(pt +  8, s2);
+   	s3 =
+   		(Td4[(t3 >> 24)       ] << 24) ^
+   		(Td4[(t2 >> 16) & 0xff] << 16) ^
+   		(Td4[(t1 >>  8) & 0xff] <<  8) ^
+   		(Td4[(t0      ) & 0xff]      ) ^
+   		rk[3];
+	PUTU32(pt + 12, s3);
+}
+
+#ifdef INTERMEDIATE_VALUE_KAT
+
+static void rijndaelEncryptRound(const u32 rk[/*4*(Nr + 1)*/], int Nr, u8 block[16], int rounds) {
+	int r;
+	u32 s0, s1, s2, s3, t0, t1, t2, t3;
+
+    /*
+	 * map byte array block to cipher state
+	 * and add initial round key:
+	 */
+	s0 = GETU32(block     ) ^ rk[0];
+	s1 = GETU32(block +  4) ^ rk[1];
+	s2 = GETU32(block +  8) ^ rk[2];
+	s3 = GETU32(block + 12) ^ rk[3];
+    rk += 4;
+
+    /*
+	 * Nr - 1 full rounds:
+	 */
+	for (r = (rounds < Nr ? rounds : Nr - 1); r > 0; r--) {
+		t0 =
+			Te0[(s0 >> 24)       ] ^
+			Te1[(s1 >> 16) & 0xff] ^
+			Te2[(s2 >>  8) & 0xff] ^
+			Te3[(s3      ) & 0xff] ^
+			rk[0];
+		t1 =
+			Te0[(s1 >> 24)       ] ^
+			Te1[(s2 >> 16) & 0xff] ^
+			Te2[(s3 >>  8) & 0xff] ^
+			Te3[(s0      ) & 0xff] ^
+			rk[1];
+		t2 =
+			Te0[(s2 >> 24)       ] ^
+			Te1[(s3 >> 16) & 0xff] ^
+			Te2[(s0 >>  8) & 0xff] ^
+			Te3[(s1      ) & 0xff] ^
+			rk[2];
+		t3 =
+			Te0[(s3 >> 24)       ] ^
+			Te1[(s0 >> 16) & 0xff] ^
+			Te2[(s1 >>  8) & 0xff] ^
+			Te3[(s2      ) & 0xff] ^
+			rk[3];
+
+		s0 = t0;
+		s1 = t1;
+		s2 = t2;
+		s3 = t3;
+		rk += 4;
+
+    }
+
+    /*
+	 * apply last round and
+	 * map cipher state to byte array block:
+	 */
+	if (rounds == Nr) {
+    	t0 =
+    		(Te4[(s0 >> 24)       ] << 24) ^
+    		(Te4[(s1 >> 16) & 0xff] << 16) ^
+    		(Te4[(s2 >>  8) & 0xff] <<  8) ^
+    		(Te4[(s3      ) & 0xff]      ) ^
+    		rk[0];
+    	t1 =
+    		(Te4[(s1 >> 24)       ] << 24) ^
+    		(Te4[(s2 >> 16) & 0xff] << 16) ^
+    		(Te4[(s3 >>  8) & 0xff] <<  8) ^
+    		(Te4[(s0      ) & 0xff]      ) ^
+    		rk[1];
+    	t2 =
+    		(Te4[(s2 >> 24)       ] << 24) ^
+    		(Te4[(s3 >> 16) & 0xff] << 16) ^
+    		(Te4[(s0 >>  8) & 0xff] <<  8) ^
+    		(Te4[(s1      ) & 0xff]      ) ^
+    		rk[2];
+    	t3 =
+    		(Te4[(s3 >> 24)       ] << 24) ^
+    		(Te4[(s0 >> 16) & 0xff] << 16) ^
+    		(Te4[(s1 >>  8) & 0xff] <<  8) ^
+    		(Te4[(s2      ) & 0xff]      ) ^
+    		rk[3];
+		
+		s0 = t0;
+		s1 = t1;
+		s2 = t2;
+		s3 = t3;
+	}
+
+	PUTU32(block     , s0);
+	PUTU32(block +  4, s1);
+	PUTU32(block +  8, s2);
+	PUTU32(block + 12, s3);
+}
+
+static void rijndaelDecryptRound(const u32 rk[/*4*(Nr + 1)*/], int Nr, u8 block[16], int rounds) {
+	int r;
+	u32 s0, s1, s2, s3, t0, t1, t2, t3;
+
+    /*
+	 * map byte array block to cipher state
+	 * and add initial round key:
+	 */
+	s0 = GETU32(block     ) ^ rk[0];
+	s1 = GETU32(block +  4) ^ rk[1];
+	s2 = GETU32(block +  8) ^ rk[2];
+	s3 = GETU32(block + 12) ^ rk[3];
+    rk += 4;
+
+    /*
+	 * Nr - 1 full rounds:
+	 */
+	for (r = (rounds < Nr ? rounds : Nr) - 1; r > 0; r--) {
+		t0 =
+			Td0[(s0 >> 24)       ] ^
+			Td1[(s3 >> 16) & 0xff] ^
+			Td2[(s2 >>  8) & 0xff] ^
+			Td3[(s1      ) & 0xff] ^
+			rk[0];
+		t1 =
+			Td0[(s1 >> 24)       ] ^
+			Td1[(s0 >> 16) & 0xff] ^
+			Td2[(s3 >>  8) & 0xff] ^
+			Td3[(s2      ) & 0xff] ^
+			rk[1];
+		t2 =
+			Td0[(s2 >> 24)       ] ^
+			Td1[(s1 >> 16) & 0xff] ^
+			Td2[(s0 >>  8) & 0xff] ^
+			Td3[(s3      ) & 0xff] ^
+			rk[2];
+		t3 =
+			Td0[(s3 >> 24)       ] ^
+			Td1[(s2 >> 16) & 0xff] ^
+			Td2[(s1 >>  8) & 0xff] ^
+			Td3[(s0      ) & 0xff] ^
+			rk[3];
+
+		s0 = t0;
+		s1 = t1;
+		s2 = t2;
+		s3 = t3;
+		rk += 4;
+
+    }
+
+    /*
+	 * complete the last round and
+	 * map cipher state to byte array block:
+	 */
+	t0 =
+		(Td4[(s0 >> 24)       ] << 24) ^
+		(Td4[(s3 >> 16) & 0xff] << 16) ^
+		(Td4[(s2 >>  8) & 0xff] <<  8) ^
+		(Td4[(s1      ) & 0xff]      );
+	t1 =
+		(Td4[(s1 >> 24)       ] << 24) ^
+		(Td4[(s0 >> 16) & 0xff] << 16) ^
+		(Td4[(s3 >>  8) & 0xff] <<  8) ^
+		(Td4[(s2      ) & 0xff]      );
+	t2 =
+		(Td4[(s2 >> 24)       ] << 24) ^
+		(Td4[(s1 >> 16) & 0xff] << 16) ^
+		(Td4[(s0 >>  8) & 0xff] <<  8) ^
+		(Td4[(s3      ) & 0xff]      );
+	t3 =
+		(Td4[(s3 >> 24)       ] << 24) ^
+		(Td4[(s2 >> 16) & 0xff] << 16) ^
+		(Td4[(s1 >>  8) & 0xff] <<  8) ^
+		(Td4[(s0      ) & 0xff]      );
+
+	if (rounds == Nr) {
+	    t0 ^= rk[0];
+	    t1 ^= rk[1];
+	    t2 ^= rk[2];
+	    t3 ^= rk[3];
+	}
+
+	PUTU32(block     , t0);
+	PUTU32(block +  4, t1);
+	PUTU32(block +  8, t2);
+	PUTU32(block + 12, t3);
+}
+
+#endif /* INTERMEDIATE_VALUE_KAT */
diff --git a/libsec/port/blowfish.c b/libsec/port/blowfish.c
new file mode 100644
index 00000000..5dcc677c
--- /dev/null
+++ b/libsec/port/blowfish.c
@@ -0,0 +1,579 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// Blowfish block cipher.  See:
+// 	Lecture Notes in Computer Science 809
+// 	Fast Software Encryption
+// 	Cambridge Security Workshop, Cambridge, England (1993)
+
+static u32int sbox[1024];
+static u32int pbox[BFrounds+2];
+
+static void bfencrypt(u32int *, BFstate *);
+static void bfdecrypt(u32int *, BFstate *);
+
+void
+setupBFstate(BFstate *s, uchar key[], int keybytes, uchar *ivec)
+{
+	int i, j;
+	u32int n, buf[2];
+
+	memset(s, 0, sizeof(*s));
+	memset(buf, 0, sizeof buf);
+
+	if (keybytes > sizeof(s->key))
+		keybytes = sizeof(s->key);
+
+	memmove(s->key, key, keybytes);
+
+	if (ivec != nil)
+		memmove(s->ivec, ivec, sizeof(s->ivec));
+	else
+		memset(s->ivec, 0, sizeof(s->ivec));
+		
+	memmove(s->pbox, pbox, sizeof(pbox));
+	memmove(s->sbox, sbox, sizeof(sbox));
+
+	if (keybytes > 4*(BFrounds + 2))
+		keybytes = 4*(BFrounds + 2);
+
+	for(i=j=0; i < BFrounds+2; i++) {
+		n = key[j];
+		j = (j+1) % keybytes;
+
+		n <<= 8;
+		n |= key[j];
+		j = (j+1) % keybytes;
+
+		n <<= 8;
+		n |= key[j];
+		j = (j+1) % keybytes;
+
+		n <<= 8;
+		n |= key[j];
+		j = (j+1) % keybytes;
+
+		s->pbox[i] ^= n;
+	}
+
+	for(i=0; i < BFrounds+2; i += 2) {
+		bfencrypt(buf, s);
+		s->pbox[i] = buf[0];
+		s->pbox[i+1] = buf[1];
+	}
+
+	for(i=0; i < 1024; i += 2) {
+		bfencrypt(buf, s);
+		s->sbox[i] = buf[0];
+		s->sbox[i+1] = buf[1];
+	}
+
+	s->setup = 0xcafebabe;
+}
+
+void
+bfCBCencrypt(uchar *buf, int n, BFstate *s)
+{
+	int i;
+	uchar *p;
+	u32int bo[2], bi[2], b;
+
+	assert((n & 7) == 0);
+
+	bo[0] =  s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24);
+	bo[1] =  s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24);
+
+	for(i=0; i < n; i += 8, buf += 8) {
+		bi[0] =  buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+		bi[1] =  buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+
+		bi[0] ^= bo[0];
+		bi[1] ^= bo[1];
+
+		bfencrypt(bi, s);
+
+		bo[0] = bi[0];
+		bo[1] = bi[1];
+
+		p = buf;
+		b = bo[0];
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+
+		b = bo[1];
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p = b;
+	}
+
+	s->ivec[7] = bo[1] >> 24;
+	s->ivec[6] = bo[1] >> 16;
+	s->ivec[5] = bo[1] >> 8;
+	s->ivec[4] = bo[1];
+
+	s->ivec[3] = bo[0] >> 24;
+	s->ivec[2] = bo[0] >> 16;
+	s->ivec[1] = bo[0] >> 8;
+	s->ivec[0] = bo[0];
+
+	return;
+}
+
+void
+bfCBCdecrypt(uchar *buf, int n, BFstate *s)
+{
+	int i;
+	uchar *p;
+	u32int b, bo[2], bi[2], xr[2];
+
+	assert((n & 7) == 0);
+
+	bo[0] =  s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24);
+	bo[1] =  s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24);
+
+	for(i=0; i < n; i += 8, buf += 8) {
+		bi[0] =  buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+		bi[1] =  buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+
+		xr[0] = bi[0];
+		xr[1] = bi[1];
+
+		bfdecrypt(bi, s);
+
+		bo[0] ^= bi[0];
+		bo[1] ^= bi[1];
+
+		p = buf;
+		b = bo[0];
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+
+		b = bo[1];
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p++ = b;
+		b >>= 8;
+		*p = b;
+
+		bo[0] = xr[0];
+		bo[1] = xr[1];
+	}
+
+	s->ivec[7] = bo[1] >> 24;
+	s->ivec[6] = bo[1] >> 16;
+	s->ivec[5] = bo[1] >> 8;
+	s->ivec[4] = bo[1];
+
+	s->ivec[3] = bo[0] >> 24;
+	s->ivec[2] = bo[0] >> 16;
+	s->ivec[1] = bo[0] >> 8;
+	s->ivec[0] = bo[0];
+
+	return;
+}
+
+void
+bfECBencrypt(uchar *buf, int n, BFstate *s)
+{
+	int i;
+	u32int b[2];
+
+	for(i=0; i < n; i += 8, buf += 8) {
+		b[0] =  buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+		b[1] =  buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+
+		bfencrypt(b, s);
+
+		buf[7] = b[1] >> 24;
+		buf[6] = b[1] >> 16;
+		buf[5] = b[1] >> 8;
+		buf[4] = b[1];
+
+		buf[3] = b[0] >> 24;
+		buf[2] = b[0] >> 16;
+		buf[1] = b[0] >> 8;
+		buf[0] = b[0];
+	}
+
+	return;
+}
+
+void
+bfECBdecrypt(uchar *buf, int n, BFstate *s)
+{
+	int i;
+	u32int b[2];
+
+	for(i=0; i < n; i += 8, buf += 8) {
+		b[0] =  buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+		b[1] =  buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+
+		bfdecrypt(b, s);
+
+		buf[7] = b[1] >> 24;
+		buf[6] = b[1] >> 16;
+		buf[5] = b[1] >> 8;
+		buf[4] = b[1];
+
+		buf[3] = b[0] >> 24;
+		buf[2] = b[0] >> 16;
+		buf[1] = b[0] >> 8;
+		buf[0] = b[0];
+	}
+
+	return;		
+}
+
+static void
+bfencrypt(u32int *b, BFstate *s)
+{
+	int i;
+	u32int l, r;
+	u32int *pb, *sb;
+
+	l = b[0];
+	r = b[1];
+
+	pb = s->pbox;
+	sb = s->sbox;
+
+	l ^= pb[0];
+
+	for(i=1; i<16; i += 2) {
+		r ^= pb[i];
+		r ^= ( (sb[ (uchar) (l>>24)] + sb[256 + ((uchar) (l>>16))]) ^  
+			sb[512 + ((uchar) (l>>8))]) + sb[768 +((uchar) l)];
+
+		l ^= pb[i+1];
+		l ^= ( (sb[ (uchar) (r>>24)] + sb[256 + ((uchar) (r>>16))]) ^  
+			sb[512 + ((uchar) (r>>8))]) + sb[768 +((uchar) r)];
+	}
+
+	r ^= pb[BFrounds+1];
+
+	/* sic */
+	b[0] = r;
+	b[1] = l;
+
+	return;
+}
+
+static void
+bfdecrypt(u32int *b, BFstate *s)
+{
+	int i;
+	u32int l, r;
+	u32int *pb, *sb;
+
+	l = b[0];
+	r = b[1];
+
+	pb = s->pbox;
+	sb = s->sbox;
+
+	l ^= pb[BFrounds+1];
+
+	for(i=16; i > 0; i -= 2) {
+		r ^= pb[i];
+		r ^= ( (sb[ (uchar) (l>>24)] + sb[256 + ((uchar) (l>>16))]) ^  
+			sb[512 + ((uchar) (l>>8))]) + sb[768 +((uchar) l)];
+
+		l ^= pb[i-1];
+		l ^= ( (sb[ (uchar) (r>>24)] + sb[256 + ((uchar) (r>>16))]) ^  
+			sb[512 + ((uchar) (r>>8))]) + sb[768 +((uchar) r)];
+	}
+
+	r ^= pb[0];
+
+	/* sic */
+	b[0] = r;
+	b[1] = l;
+
+	return;
+}
+
+static u32int pbox[BFrounds+2] = {
+	0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 
+	0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, 
+	0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 
+	0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 
+	0x9216d5d9, 0x8979fb1b
+};
+
+static u32int sbox[1024] = {
+	0xd1310ba6L, 0x98dfb5acL, 0x2ffd72dbL, 0xd01adfb7L, 
+	0xb8e1afedL, 0x6a267e96L, 0xba7c9045L, 0xf12c7f99L, 
+	0x24a19947L, 0xb3916cf7L, 0x0801f2e2L, 0x858efc16L, 
+	0x636920d8L, 0x71574e69L, 0xa458fea3L, 0xf4933d7eL, 
+	0x0d95748fL, 0x728eb658L, 0x718bcd58L, 0x82154aeeL, 
+	0x7b54a41dL, 0xc25a59b5L, 0x9c30d539L, 0x2af26013L, 
+	0xc5d1b023L, 0x286085f0L, 0xca417918L, 0xb8db38efL, 
+	0x8e79dcb0L, 0x603a180eL, 0x6c9e0e8bL, 0xb01e8a3eL, 
+	0xd71577c1L, 0xbd314b27L, 0x78af2fdaL, 0x55605c60L, 
+	0xe65525f3L, 0xaa55ab94L, 0x57489862L, 0x63e81440L, 
+	0x55ca396aL, 0x2aab10b6L, 0xb4cc5c34L, 0x1141e8ceL, 
+	0xa15486afL, 0x7c72e993L, 0xb3ee1411L, 0x636fbc2aL, 
+	0x2ba9c55dL, 0x741831f6L, 0xce5c3e16L, 0x9b87931eL, 
+	0xafd6ba33L, 0x6c24cf5cL, 0x7a325381L, 0x28958677L, 
+	0x3b8f4898L, 0x6b4bb9afL, 0xc4bfe81bL, 0x66282193L, 
+	0x61d809ccL, 0xfb21a991L, 0x487cac60L, 0x5dec8032L, 
+	0xef845d5dL, 0xe98575b1L, 0xdc262302L, 0xeb651b88L, 
+	0x23893e81L, 0xd396acc5L, 0x0f6d6ff3L, 0x83f44239L, 
+	0x2e0b4482L, 0xa4842004L, 0x69c8f04aL, 0x9e1f9b5eL, 
+	0x21c66842L, 0xf6e96c9aL, 0x670c9c61L, 0xabd388f0L, 
+	0x6a51a0d2L, 0xd8542f68L, 0x960fa728L, 0xab5133a3L, 
+	0x6eef0b6cL, 0x137a3be4L, 0xba3bf050L, 0x7efb2a98L, 
+	0xa1f1651dL, 0x39af0176L, 0x66ca593eL, 0x82430e88L, 
+	0x8cee8619L, 0x456f9fb4L, 0x7d84a5c3L, 0x3b8b5ebeL, 
+	0xe06f75d8L, 0x85c12073L, 0x401a449fL, 0x56c16aa6L, 
+	0x4ed3aa62L, 0x363f7706L, 0x1bfedf72L, 0x429b023dL, 
+	0x37d0d724L, 0xd00a1248L, 0xdb0fead3L, 0x49f1c09bL, 
+	0x075372c9L, 0x80991b7bL, 0x25d479d8L, 0xf6e8def7L, 
+	0xe3fe501aL, 0xb6794c3bL, 0x976ce0bdL, 0x04c006baL, 
+	0xc1a94fb6L, 0x409f60c4L, 0x5e5c9ec2L, 0x196a2463L, 
+	0x68fb6fafL, 0x3e6c53b5L, 0x1339b2ebL, 0x3b52ec6fL, 
+	0x6dfc511fL, 0x9b30952cL, 0xcc814544L, 0xaf5ebd09L, 
+	0xbee3d004L, 0xde334afdL, 0x660f2807L, 0x192e4bb3L, 
+	0xc0cba857L, 0x45c8740fL, 0xd20b5f39L, 0xb9d3fbdbL, 
+	0x5579c0bdL, 0x1a60320aL, 0xd6a100c6L, 0x402c7279L, 
+	0x679f25feL, 0xfb1fa3ccL, 0x8ea5e9f8L, 0xdb3222f8L, 
+	0x3c7516dfL, 0xfd616b15L, 0x2f501ec8L, 0xad0552abL, 
+	0x323db5faL, 0xfd238760L, 0x53317b48L, 0x3e00df82L, 
+	0x9e5c57bbL, 0xca6f8ca0L, 0x1a87562eL, 0xdf1769dbL, 
+	0xd542a8f6L, 0x287effc3L, 0xac6732c6L, 0x8c4f5573L, 
+	0x695b27b0L, 0xbbca58c8L, 0xe1ffa35dL, 0xb8f011a0L, 
+	0x10fa3d98L, 0xfd2183b8L, 0x4afcb56cL, 0x2dd1d35bL, 
+	0x9a53e479L, 0xb6f84565L, 0xd28e49bcL, 0x4bfb9790L, 
+	0xe1ddf2daL, 0xa4cb7e33L, 0x62fb1341L, 0xcee4c6e8L, 
+	0xef20cadaL, 0x36774c01L, 0xd07e9efeL, 0x2bf11fb4L, 
+	0x95dbda4dL, 0xae909198L, 0xeaad8e71L, 0x6b93d5a0L, 
+	0xd08ed1d0L, 0xafc725e0L, 0x8e3c5b2fL, 0x8e7594b7L, 
+	0x8ff6e2fbL, 0xf2122b64L, 0x8888b812L, 0x900df01cL, 
+	0x4fad5ea0L, 0x688fc31cL, 0xd1cff191L, 0xb3a8c1adL, 
+	0x2f2f2218L, 0xbe0e1777L, 0xea752dfeL, 0x8b021fa1L, 
+	0xe5a0cc0fL, 0xb56f74e8L, 0x18acf3d6L, 0xce89e299L, 
+	0xb4a84fe0L, 0xfd13e0b7L, 0x7cc43b81L, 0xd2ada8d9L, 
+	0x165fa266L, 0x80957705L, 0x93cc7314L, 0x211a1477L, 
+	0xe6ad2065L, 0x77b5fa86L, 0xc75442f5L, 0xfb9d35cfL, 
+	0xebcdaf0cL, 0x7b3e89a0L, 0xd6411bd3L, 0xae1e7e49L, 
+	0x00250e2dL, 0x2071b35eL, 0x226800bbL, 0x57b8e0afL, 
+	0x2464369bL, 0xf009b91eL, 0x5563911dL, 0x59dfa6aaL, 
+	0x78c14389L, 0xd95a537fL, 0x207d5ba2L, 0x02e5b9c5L, 
+	0x83260376L, 0x6295cfa9L, 0x11c81968L, 0x4e734a41L, 
+	0xb3472dcaL, 0x7b14a94aL, 0x1b510052L, 0x9a532915L, 
+	0xd60f573fL, 0xbc9bc6e4L, 0x2b60a476L, 0x81e67400L, 
+	0x08ba6fb5L, 0x571be91fL, 0xf296ec6bL, 0x2a0dd915L, 
+	0xb6636521L, 0xe7b9f9b6L, 0xff34052eL, 0xc5855664L, 
+	0x53b02d5dL, 0xa99f8fa1L, 0x08ba4799L, 0x6e85076aL, 
+	0x4b7a70e9L, 0xb5b32944L, 0xdb75092eL, 0xc4192623L, 
+	0xad6ea6b0L, 0x49a7df7dL, 0x9cee60b8L, 0x8fedb266L, 
+	0xecaa8c71L, 0x699a17ffL, 0x5664526cL, 0xc2b19ee1L, 
+	0x193602a5L, 0x75094c29L, 0xa0591340L, 0xe4183a3eL, 
+	0x3f54989aL, 0x5b429d65L, 0x6b8fe4d6L, 0x99f73fd6L, 
+	0xa1d29c07L, 0xefe830f5L, 0x4d2d38e6L, 0xf0255dc1L, 
+	0x4cdd2086L, 0x8470eb26L, 0x6382e9c6L, 0x021ecc5eL, 
+	0x09686b3fL, 0x3ebaefc9L, 0x3c971814L, 0x6b6a70a1L, 
+	0x687f3584L, 0x52a0e286L, 0xb79c5305L, 0xaa500737L, 
+	0x3e07841cL, 0x7fdeae5cL, 0x8e7d44ecL, 0x5716f2b8L, 
+	0xb03ada37L, 0xf0500c0dL, 0xf01c1f04L, 0x0200b3ffL, 
+	0xae0cf51aL, 0x3cb574b2L, 0x25837a58L, 0xdc0921bdL, 
+	0xd19113f9L, 0x7ca92ff6L, 0x94324773L, 0x22f54701L, 
+	0x3ae5e581L, 0x37c2dadcL, 0xc8b57634L, 0x9af3dda7L, 
+	0xa9446146L, 0x0fd0030eL, 0xecc8c73eL, 0xa4751e41L, 
+	0xe238cd99L, 0x3bea0e2fL, 0x3280bba1L, 0x183eb331L, 
+	0x4e548b38L, 0x4f6db908L, 0x6f420d03L, 0xf60a04bfL, 
+	0x2cb81290L, 0x24977c79L, 0x5679b072L, 0xbcaf89afL, 
+	0xde9a771fL, 0xd9930810L, 0xb38bae12L, 0xdccf3f2eL, 
+	0x5512721fL, 0x2e6b7124L, 0x501adde6L, 0x9f84cd87L, 
+	0x7a584718L, 0x7408da17L, 0xbc9f9abcL, 0xe94b7d8cL, 
+	0xec7aec3aL, 0xdb851dfaL, 0x63094366L, 0xc464c3d2L, 
+	0xef1c1847L, 0x3215d908L, 0xdd433b37L, 0x24c2ba16L, 
+	0x12a14d43L, 0x2a65c451L, 0x50940002L, 0x133ae4ddL, 
+	0x71dff89eL, 0x10314e55L, 0x81ac77d6L, 0x5f11199bL, 
+	0x043556f1L, 0xd7a3c76bL, 0x3c11183bL, 0x5924a509L, 
+	0xf28fe6edL, 0x97f1fbfaL, 0x9ebabf2cL, 0x1e153c6eL, 
+	0x86e34570L, 0xeae96fb1L, 0x860e5e0aL, 0x5a3e2ab3L, 
+	0x771fe71cL, 0x4e3d06faL, 0x2965dcb9L, 0x99e71d0fL, 
+	0x803e89d6L, 0x5266c825L, 0x2e4cc978L, 0x9c10b36aL, 
+	0xc6150ebaL, 0x94e2ea78L, 0xa5fc3c53L, 0x1e0a2df4L, 
+	0xf2f74ea7L, 0x361d2b3dL, 0x1939260fL, 0x19c27960L, 
+	0x5223a708L, 0xf71312b6L, 0xebadfe6eL, 0xeac31f66L, 
+	0xe3bc4595L, 0xa67bc883L, 0xb17f37d1L, 0x018cff28L, 
+	0xc332ddefL, 0xbe6c5aa5L, 0x65582185L, 0x68ab9802L, 
+	0xeecea50fL, 0xdb2f953bL, 0x2aef7dadL, 0x5b6e2f84L, 
+	0x1521b628L, 0x29076170L, 0xecdd4775L, 0x619f1510L, 
+	0x13cca830L, 0xeb61bd96L, 0x0334fe1eL, 0xaa0363cfL, 
+	0xb5735c90L, 0x4c70a239L, 0xd59e9e0bL, 0xcbaade14L, 
+	0xeecc86bcL, 0x60622ca7L, 0x9cab5cabL, 0xb2f3846eL, 
+	0x648b1eafL, 0x19bdf0caL, 0xa02369b9L, 0x655abb50L, 
+	0x40685a32L, 0x3c2ab4b3L, 0x319ee9d5L, 0xc021b8f7L, 
+	0x9b540b19L, 0x875fa099L, 0x95f7997eL, 0x623d7da8L, 
+	0xf837889aL, 0x97e32d77L, 0x11ed935fL, 0x16681281L, 
+	0x0e358829L, 0xc7e61fd6L, 0x96dedfa1L, 0x7858ba99L, 
+	0x57f584a5L, 0x1b227263L, 0x9b83c3ffL, 0x1ac24696L, 
+	0xcdb30aebL, 0x532e3054L, 0x8fd948e4L, 0x6dbc3128L, 
+	0x58ebf2efL, 0x34c6ffeaL, 0xfe28ed61L, 0xee7c3c73L, 
+	0x5d4a14d9L, 0xe864b7e3L, 0x42105d14L, 0x203e13e0L, 
+	0x45eee2b6L, 0xa3aaabeaL, 0xdb6c4f15L, 0xfacb4fd0L, 
+	0xc742f442L, 0xef6abbb5L, 0x654f3b1dL, 0x41cd2105L, 
+	0xd81e799eL, 0x86854dc7L, 0xe44b476aL, 0x3d816250L, 
+	0xcf62a1f2L, 0x5b8d2646L, 0xfc8883a0L, 0xc1c7b6a3L, 
+	0x7f1524c3L, 0x69cb7492L, 0x47848a0bL, 0x5692b285L, 
+	0x095bbf00L, 0xad19489dL, 0x1462b174L, 0x23820e00L, 
+	0x58428d2aL, 0x0c55f5eaL, 0x1dadf43eL, 0x233f7061L, 
+	0x3372f092L, 0x8d937e41L, 0xd65fecf1L, 0x6c223bdbL, 
+	0x7cde3759L, 0xcbee7460L, 0x4085f2a7L, 0xce77326eL, 
+	0xa6078084L, 0x19f8509eL, 0xe8efd855L, 0x61d99735L, 
+	0xa969a7aaL, 0xc50c06c2L, 0x5a04abfcL, 0x800bcadcL, 
+	0x9e447a2eL, 0xc3453484L, 0xfdd56705L, 0x0e1e9ec9L, 
+	0xdb73dbd3L, 0x105588cdL, 0x675fda79L, 0xe3674340L, 
+	0xc5c43465L, 0x713e38d8L, 0x3d28f89eL, 0xf16dff20L, 
+	0x153e21e7L, 0x8fb03d4aL, 0xe6e39f2bL, 0xdb83adf7L, 
+	0xe93d5a68L, 0x948140f7L, 0xf64c261cL, 0x94692934L, 
+	0x411520f7L, 0x7602d4f7L, 0xbcf46b2eL, 0xd4a20068L, 
+	0xd4082471L, 0x3320f46aL, 0x43b7d4b7L, 0x500061afL, 
+	0x1e39f62eL, 0x97244546L, 0x14214f74L, 0xbf8b8840L, 
+	0x4d95fc1dL, 0x96b591afL, 0x70f4ddd3L, 0x66a02f45L, 
+	0xbfbc09ecL, 0x03bd9785L, 0x7fac6dd0L, 0x31cb8504L, 
+	0x96eb27b3L, 0x55fd3941L, 0xda2547e6L, 0xabca0a9aL, 
+	0x28507825L, 0x530429f4L, 0x0a2c86daL, 0xe9b66dfbL, 
+	0x68dc1462L, 0xd7486900L, 0x680ec0a4L, 0x27a18deeL, 
+	0x4f3ffea2L, 0xe887ad8cL, 0xb58ce006L, 0x7af4d6b6L, 
+	0xaace1e7cL, 0xd3375fecL, 0xce78a399L, 0x406b2a42L, 
+	0x20fe9e35L, 0xd9f385b9L, 0xee39d7abL, 0x3b124e8bL, 
+	0x1dc9faf7L, 0x4b6d1856L, 0x26a36631L, 0xeae397b2L, 
+	0x3a6efa74L, 0xdd5b4332L, 0x6841e7f7L, 0xca7820fbL, 
+	0xfb0af54eL, 0xd8feb397L, 0x454056acL, 0xba489527L, 
+	0x55533a3aL, 0x20838d87L, 0xfe6ba9b7L, 0xd096954bL, 
+	0x55a867bcL, 0xa1159a58L, 0xcca92963L, 0x99e1db33L, 
+	0xa62a4a56L, 0x3f3125f9L, 0x5ef47e1cL, 0x9029317cL, 
+	0xfdf8e802L, 0x04272f70L, 0x80bb155cL, 0x05282ce3L, 
+	0x95c11548L, 0xe4c66d22L, 0x48c1133fL, 0xc70f86dcL, 
+	0x07f9c9eeL, 0x41041f0fL, 0x404779a4L, 0x5d886e17L, 
+	0x325f51ebL, 0xd59bc0d1L, 0xf2bcc18fL, 0x41113564L, 
+	0x257b7834L, 0x602a9c60L, 0xdff8e8a3L, 0x1f636c1bL, 
+	0x0e12b4c2L, 0x02e1329eL, 0xaf664fd1L, 0xcad18115L, 
+	0x6b2395e0L, 0x333e92e1L, 0x3b240b62L, 0xeebeb922L, 
+	0x85b2a20eL, 0xe6ba0d99L, 0xde720c8cL, 0x2da2f728L, 
+	0xd0127845L, 0x95b794fdL, 0x647d0862L, 0xe7ccf5f0L, 
+	0x5449a36fL, 0x877d48faL, 0xc39dfd27L, 0xf33e8d1eL, 
+	0x0a476341L, 0x992eff74L, 0x3a6f6eabL, 0xf4f8fd37L, 
+	0xa812dc60L, 0xa1ebddf8L, 0x991be14cL, 0xdb6e6b0dL, 
+	0xc67b5510L, 0x6d672c37L, 0x2765d43bL, 0xdcd0e804L, 
+	0xf1290dc7L, 0xcc00ffa3L, 0xb5390f92L, 0x690fed0bL, 
+	0x667b9ffbL, 0xcedb7d9cL, 0xa091cf0bL, 0xd9155ea3L, 
+	0xbb132f88L, 0x515bad24L, 0x7b9479bfL, 0x763bd6ebL, 
+	0x37392eb3L, 0xcc115979L, 0x8026e297L, 0xf42e312dL, 
+	0x6842ada7L, 0xc66a2b3bL, 0x12754cccL, 0x782ef11cL, 
+	0x6a124237L, 0xb79251e7L, 0x06a1bbe6L, 0x4bfb6350L, 
+	0x1a6b1018L, 0x11caedfaL, 0x3d25bdd8L, 0xe2e1c3c9L, 
+	0x44421659L, 0x0a121386L, 0xd90cec6eL, 0xd5abea2aL, 
+	0x64af674eL, 0xda86a85fL, 0xbebfe988L, 0x64e4c3feL, 
+	0x9dbc8057L, 0xf0f7c086L, 0x60787bf8L, 0x6003604dL, 
+	0xd1fd8346L, 0xf6381fb0L, 0x7745ae04L, 0xd736fcccL, 
+	0x83426b33L, 0xf01eab71L, 0xb0804187L, 0x3c005e5fL, 
+	0x77a057beL, 0xbde8ae24L, 0x55464299L, 0xbf582e61L, 
+	0x4e58f48fL, 0xf2ddfda2L, 0xf474ef38L, 0x8789bdc2L, 
+	0x5366f9c3L, 0xc8b38e74L, 0xb475f255L, 0x46fcd9b9L, 
+	0x7aeb2661L, 0x8b1ddf84L, 0x846a0e79L, 0x915f95e2L, 
+	0x466e598eL, 0x20b45770L, 0x8cd55591L, 0xc902de4cL, 
+	0xb90bace1L, 0xbb8205d0L, 0x11a86248L, 0x7574a99eL, 
+	0xb77f19b6L, 0xe0a9dc09L, 0x662d09a1L, 0xc4324633L, 
+	0xe85a1f02L, 0x09f0be8cL, 0x4a99a025L, 0x1d6efe10L, 
+	0x1ab93d1dL, 0x0ba5a4dfL, 0xa186f20fL, 0x2868f169L, 
+	0xdcb7da83L, 0x573906feL, 0xa1e2ce9bL, 0x4fcd7f52L, 
+	0x50115e01L, 0xa70683faL, 0xa002b5c4L, 0x0de6d027L, 
+	0x9af88c27L, 0x773f8641L, 0xc3604c06L, 0x61a806b5L, 
+	0xf0177a28L, 0xc0f586e0L, 0x006058aaL, 0x30dc7d62L, 
+	0x11e69ed7L, 0x2338ea63L, 0x53c2dd94L, 0xc2c21634L, 
+	0xbbcbee56L, 0x90bcb6deL, 0xebfc7da1L, 0xce591d76L, 
+	0x6f05e409L, 0x4b7c0188L, 0x39720a3dL, 0x7c927c24L, 
+	0x86e3725fL, 0x724d9db9L, 0x1ac15bb4L, 0xd39eb8fcL, 
+	0xed545578L, 0x08fca5b5L, 0xd83d7cd3L, 0x4dad0fc4L, 
+	0x1e50ef5eL, 0xb161e6f8L, 0xa28514d9L, 0x6c51133cL, 
+	0x6fd5c7e7L, 0x56e14ec4L, 0x362abfceL, 0xddc6c837L, 
+	0xd79a3234L, 0x92638212L, 0x670efa8eL, 0x406000e0L, 
+	0x3a39ce37L, 0xd3faf5cfL, 0xabc27737L, 0x5ac52d1bL, 
+	0x5cb0679eL, 0x4fa33742L, 0xd3822740L, 0x99bc9bbeL, 
+	0xd5118e9dL, 0xbf0f7315L, 0xd62d1c7eL, 0xc700c47bL, 
+	0xb78c1b6bL, 0x21a19045L, 0xb26eb1beL, 0x6a366eb4L, 
+	0x5748ab2fL, 0xbc946e79L, 0xc6a376d2L, 0x6549c2c8L, 
+	0x530ff8eeL, 0x468dde7dL, 0xd5730a1dL, 0x4cd04dc6L, 
+	0x2939bbdbL, 0xa9ba4650L, 0xac9526e8L, 0xbe5ee304L, 
+	0xa1fad5f0L, 0x6a2d519aL, 0x63ef8ce2L, 0x9a86ee22L, 
+	0xc089c2b8L, 0x43242ef6L, 0xa51e03aaL, 0x9cf2d0a4L, 
+	0x83c061baL, 0x9be96a4dL, 0x8fe51550L, 0xba645bd6L, 
+	0x2826a2f9L, 0xa73a3ae1L, 0x4ba99586L, 0xef5562e9L, 
+	0xc72fefd3L, 0xf752f7daL, 0x3f046f69L, 0x77fa0a59L, 
+	0x80e4a915L, 0x87b08601L, 0x9b09e6adL, 0x3b3ee593L, 
+	0xe990fd5aL, 0x9e34d797L, 0x2cf0b7d9L, 0x022b8b51L, 
+	0x96d5ac3aL, 0x017da67dL, 0xd1cf3ed6L, 0x7c7d2d28L, 
+	0x1f9f25cfL, 0xadf2b89bL, 0x5ad6b472L, 0x5a88f54cL, 
+	0xe029ac71L, 0xe019a5e6L, 0x47b0acfdL, 0xed93fa9bL, 
+	0xe8d3c48dL, 0x283b57ccL, 0xf8d56629L, 0x79132e28L, 
+	0x785f0191L, 0xed756055L, 0xf7960e44L, 0xe3d35e8cL, 
+	0x15056dd4L, 0x88f46dbaL, 0x03a16125L, 0x0564f0bdL, 
+	0xc3eb9e15L, 0x3c9057a2L, 0x97271aecL, 0xa93a072aL, 
+	0x1b3f6d9bL, 0x1e6321f5L, 0xf59c66fbL, 0x26dcf319L, 
+	0x7533d928L, 0xb155fdf5L, 0x03563482L, 0x8aba3cbbL, 
+	0x28517711L, 0xc20ad9f8L, 0xabcc5167L, 0xccad925fL, 
+	0x4de81751L, 0x3830dc8eL, 0x379d5862L, 0x9320f991L, 
+	0xea7a90c2L, 0xfb3e7bceL, 0x5121ce64L, 0x774fbe32L, 
+	0xa8b6e37eL, 0xc3293d46L, 0x48de5369L, 0x6413e680L, 
+	0xa2ae0810L, 0xdd6db224L, 0x69852dfdL, 0x09072166L, 
+	0xb39a460aL, 0x6445c0ddL, 0x586cdecfL, 0x1c20c8aeL, 
+	0x5bbef7ddL, 0x1b588d40L, 0xccd2017fL, 0x6bb4e3bbL, 
+	0xdda26a7eL, 0x3a59ff45L, 0x3e350a44L, 0xbcb4cdd5L, 
+	0x72eacea8L, 0xfa6484bbL, 0x8d6612aeL, 0xbf3c6f47L, 
+	0xd29be463L, 0x542f5d9eL, 0xaec2771bL, 0xf64e6370L, 
+	0x740e0d8dL, 0xe75b1357L, 0xf8721671L, 0xaf537d5dL, 
+	0x4040cb08L, 0x4eb4e2ccL, 0x34d2466aL, 0x0115af84L, 
+	0xe1b00428L, 0x95983a1dL, 0x06b89fb4L, 0xce6ea048L, 
+	0x6f3f3b82L, 0x3520ab82L, 0x011a1d4bL, 0x277227f8L, 
+	0x611560b1L, 0xe7933fdcL, 0xbb3a792bL, 0x344525bdL, 
+	0xa08839e1L, 0x51ce794bL, 0x2f32c9b7L, 0xa01fbac9L, 
+	0xe01cc87eL, 0xbcc7d1f6L, 0xcf0111c3L, 0xa1e8aac7L, 
+	0x1a908749L, 0xd44fbd9aL, 0xd0dadecbL, 0xd50ada38L, 
+	0x0339c32aL, 0xc6913667L, 0x8df9317cL, 0xe0b12b4fL, 
+	0xf79e59b7L, 0x43f5bb3aL, 0xf2d519ffL, 0x27d9459cL, 
+	0xbf97222cL, 0x15e6fc2aL, 0x0f91fc71L, 0x9b941525L, 
+	0xfae59361L, 0xceb69cebL, 0xc2a86459L, 0x12baa8d1L, 
+	0xb6c1075eL, 0xe3056a0cL, 0x10d25065L, 0xcb03a442L, 
+	0xe0ec6e0eL, 0x1698db3bL, 0x4c98a0beL, 0x3278e964L, 
+	0x9f1f9532L, 0xe0d392dfL, 0xd3a0342bL, 0x8971f21eL, 
+	0x1b0a7441L, 0x4ba3348cL, 0xc5be7120L, 0xc37632d8L, 
+	0xdf359f8dL, 0x9b992f2eL, 0xe60b6f47L, 0x0fe3f11dL, 
+	0xe54cda54L, 0x1edad891L, 0xce6279cfL, 0xcd3e7e6fL, 
+	0x1618b166L, 0xfd2c1d05L, 0x848fd2c5L, 0xf6fb2299L, 
+	0xf523f357L, 0xa6327623L, 0x93a83531L, 0x56cccd02L, 
+	0xacf08162L, 0x5a75ebb5L, 0x6e163697L, 0x88d273ccL, 
+	0xde966292L, 0x81b949d0L, 0x4c50901bL, 0x71c65614L, 
+	0xe6c6c7bdL, 0x327a140aL, 0x45e1d006L, 0xc3f27b9aL, 
+	0xc9aa53fdL, 0x62a80f00L, 0xbb25bfe2L, 0x35bdd2f6L, 
+	0x71126905L, 0xb2040222L, 0xb6cbcf7cL, 0xcd769c2bL, 
+	0x53113ec0L, 0x1640e3d3L, 0x38abbd60L, 0x2547adf0L, 
+	0xba38209cL, 0xf746ce76L, 0x77afa1c5L, 0x20756060L, 
+	0x85cbfe4eL, 0x8ae88dd8L, 0x7aaaf9b0L, 0x4cf9aa7eL, 
+	0x1948c25cL, 0x02fb8a8cL, 0x01c36ae4L, 0xd6ebe1f9L, 
+	0x90d4f869L, 0xa65cdea0L, 0x3f09252dL, 0xc208e69fL, 
+	0xb74e6132L, 0xce77e25bL, 0x578fdfe3L, 0x3ac372e6L, 
+};
+
+
diff --git a/libsec/port/decodepem.c b/libsec/port/decodepem.c
new file mode 100644
index 00000000..d732b0a3
--- /dev/null
+++ b/libsec/port/decodepem.c
@@ -0,0 +1,89 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+#define STRLEN(s)	(sizeof(s)-1)
+
+uchar*
+decodePEM(char *s, char *type, int *len, char **new_s)
+{
+	uchar *d;
+	char *t, *e, *tt;
+	int n;
+
+	*len = 0;
+
+	/*
+	 * find the correct section of the file, stripping garbage at the beginning and end.
+	 * the data is delimited by -----BEGIN <type>-----\n and -----END <type>-----\n
+	 */
+	n = strlen(type);
+	e = strchr(s, '\0');
+	for(t = s; t != nil && t < e; ){
+		tt = t;
+		t = strchr(tt, '\n');
+		if(t != nil)
+			t++;
+		if(strncmp(tt, "-----BEGIN ", STRLEN("-----BEGIN ")) == 0
+		&& strncmp(&tt[STRLEN("-----BEGIN ")], type, n) == 0
+		&& strncmp(&tt[STRLEN("-----BEGIN ")+n], "-----\n", STRLEN("-----\n")) == 0)
+			break;
+	}
+	for(tt = t; tt != nil && tt < e; tt++){
+		if(strncmp(tt, "-----END ", STRLEN("-----END ")) == 0
+		&& strncmp(&tt[STRLEN("-----END ")], type, n) == 0
+		&& strncmp(&tt[STRLEN("-----END ")+n], "-----\n", STRLEN("-----\n")) == 0)
+			break;
+		tt = strchr(tt, '\n');
+		if(tt == nil)
+			break;
+	}
+	if(tt == nil || tt == e){
+		werrstr("incorrect .pem file format: bad header or trailer");
+		return nil;
+	}
+
+	if(new_s)
+		*new_s = tt+1;
+	n = ((tt - t) * 6 + 7) / 8;
+	d = malloc(n);
+	if(d == nil){
+		werrstr("out of memory");
+		return nil;
+	}
+	n = dec64(d, n, t, tt - t);
+	if(n < 0){
+		free(d);
+		werrstr("incorrect .pem file format: bad base64 encoded data");
+		return nil;
+	}
+	*len = n;
+	return d;
+}
+
+PEMChain*
+decodepemchain(char *s, char *type)
+{
+	PEMChain *first = nil, *last = nil, *chp;
+	uchar *d;
+	char *e;
+	int n;
+
+	e = strchr(s, '\0');
+	while (s < e) {
+		d = decodePEM(s, type, &n, &s);
+		if(d == nil)
+			break;
+		chp = malloc(sizeof(PEMChain));
+		chp->next = nil;
+		chp->pem = d;
+		chp->pemlen = n;
+		if (first == nil)
+			first = chp;
+		else
+			last->next = chp;
+		last = chp;
+	}
+	return first;
+}
diff --git a/libsec/port/des.c b/libsec/port/des.c
new file mode 100644
index 00000000..c54541c5
--- /dev/null
+++ b/libsec/port/des.c
@@ -0,0 +1,480 @@
+#include "os.h"
+#include <libsec.h>
+
+/*
+ * integrated sbox & p perm
+ */
+static u32int spbox[] = {
+
+0x00808200,0x00000000,0x00008000,0x00808202,0x00808002,0x00008202,0x00000002,0x00008000,
+0x00000200,0x00808200,0x00808202,0x00000200,0x00800202,0x00808002,0x00800000,0x00000002,
+0x00000202,0x00800200,0x00800200,0x00008200,0x00008200,0x00808000,0x00808000,0x00800202,
+0x00008002,0x00800002,0x00800002,0x00008002,0x00000000,0x00000202,0x00008202,0x00800000,
+0x00008000,0x00808202,0x00000002,0x00808000,0x00808200,0x00800000,0x00800000,0x00000200,
+0x00808002,0x00008000,0x00008200,0x00800002,0x00000200,0x00000002,0x00800202,0x00008202,
+0x00808202,0x00008002,0x00808000,0x00800202,0x00800002,0x00000202,0x00008202,0x00808200,
+0x00000202,0x00800200,0x00800200,0x00000000,0x00008002,0x00008200,0x00000000,0x00808002,
+
+0x40084010,0x40004000,0x00004000,0x00084010,0x00080000,0x00000010,0x40080010,0x40004010,
+0x40000010,0x40084010,0x40084000,0x40000000,0x40004000,0x00080000,0x00000010,0x40080010,
+0x00084000,0x00080010,0x40004010,0x00000000,0x40000000,0x00004000,0x00084010,0x40080000,
+0x00080010,0x40000010,0x00000000,0x00084000,0x00004010,0x40084000,0x40080000,0x00004010,
+0x00000000,0x00084010,0x40080010,0x00080000,0x40004010,0x40080000,0x40084000,0x00004000,
+0x40080000,0x40004000,0x00000010,0x40084010,0x00084010,0x00000010,0x00004000,0x40000000,
+0x00004010,0x40084000,0x00080000,0x40000010,0x00080010,0x40004010,0x40000010,0x00080010,
+0x00084000,0x00000000,0x40004000,0x00004010,0x40000000,0x40080010,0x40084010,0x00084000,
+
+0x00000104,0x04010100,0x00000000,0x04010004,0x04000100,0x00000000,0x00010104,0x04000100,
+0x00010004,0x04000004,0x04000004,0x00010000,0x04010104,0x00010004,0x04010000,0x00000104,
+0x04000000,0x00000004,0x04010100,0x00000100,0x00010100,0x04010000,0x04010004,0x00010104,
+0x04000104,0x00010100,0x00010000,0x04000104,0x00000004,0x04010104,0x00000100,0x04000000,
+0x04010100,0x04000000,0x00010004,0x00000104,0x00010000,0x04010100,0x04000100,0x00000000,
+0x00000100,0x00010004,0x04010104,0x04000100,0x04000004,0x00000100,0x00000000,0x04010004,
+0x04000104,0x00010000,0x04000000,0x04010104,0x00000004,0x00010104,0x00010100,0x04000004,
+0x04010000,0x04000104,0x00000104,0x04010000,0x00010104,0x00000004,0x04010004,0x00010100,
+
+0x80401000,0x80001040,0x80001040,0x00000040,0x00401040,0x80400040,0x80400000,0x80001000,
+0x00000000,0x00401000,0x00401000,0x80401040,0x80000040,0x00000000,0x00400040,0x80400000,
+0x80000000,0x00001000,0x00400000,0x80401000,0x00000040,0x00400000,0x80001000,0x00001040,
+0x80400040,0x80000000,0x00001040,0x00400040,0x00001000,0x00401040,0x80401040,0x80000040,
+0x00400040,0x80400000,0x00401000,0x80401040,0x80000040,0x00000000,0x00000000,0x00401000,
+0x00001040,0x00400040,0x80400040,0x80000000,0x80401000,0x80001040,0x80001040,0x00000040,
+0x80401040,0x80000040,0x80000000,0x00001000,0x80400000,0x80001000,0x00401040,0x80400040,
+0x80001000,0x00001040,0x00400000,0x80401000,0x00000040,0x00400000,0x00001000,0x00401040,
+
+0x00000080,0x01040080,0x01040000,0x21000080,0x00040000,0x00000080,0x20000000,0x01040000,
+0x20040080,0x00040000,0x01000080,0x20040080,0x21000080,0x21040000,0x00040080,0x20000000,
+0x01000000,0x20040000,0x20040000,0x00000000,0x20000080,0x21040080,0x21040080,0x01000080,
+0x21040000,0x20000080,0x00000000,0x21000000,0x01040080,0x01000000,0x21000000,0x00040080,
+0x00040000,0x21000080,0x00000080,0x01000000,0x20000000,0x01040000,0x21000080,0x20040080,
+0x01000080,0x20000000,0x21040000,0x01040080,0x20040080,0x00000080,0x01000000,0x21040000,
+0x21040080,0x00040080,0x21000000,0x21040080,0x01040000,0x00000000,0x20040000,0x21000000,
+0x00040080,0x01000080,0x20000080,0x00040000,0x00000000,0x20040000,0x01040080,0x20000080,
+
+0x10000008,0x10200000,0x00002000,0x10202008,0x10200000,0x00000008,0x10202008,0x00200000,
+0x10002000,0x00202008,0x00200000,0x10000008,0x00200008,0x10002000,0x10000000,0x00002008,
+0x00000000,0x00200008,0x10002008,0x00002000,0x00202000,0x10002008,0x00000008,0x10200008,
+0x10200008,0x00000000,0x00202008,0x10202000,0x00002008,0x00202000,0x10202000,0x10000000,
+0x10002000,0x00000008,0x10200008,0x00202000,0x10202008,0x00200000,0x00002008,0x10000008,
+0x00200000,0x10002000,0x10000000,0x00002008,0x10000008,0x10202008,0x00202000,0x10200000,
+0x00202008,0x10202000,0x00000000,0x10200008,0x00000008,0x00002000,0x10200000,0x00202008,
+0x00002000,0x00200008,0x10002008,0x00000000,0x10202000,0x10000000,0x00200008,0x10002008,
+
+0x00100000,0x02100001,0x02000401,0x00000000,0x00000400,0x02000401,0x00100401,0x02100400,
+0x02100401,0x00100000,0x00000000,0x02000001,0x00000001,0x02000000,0x02100001,0x00000401,
+0x02000400,0x00100401,0x00100001,0x02000400,0x02000001,0x02100000,0x02100400,0x00100001,
+0x02100000,0x00000400,0x00000401,0x02100401,0x00100400,0x00000001,0x02000000,0x00100400,
+0x02000000,0x00100400,0x00100000,0x02000401,0x02000401,0x02100001,0x02100001,0x00000001,
+0x00100001,0x02000000,0x02000400,0x00100000,0x02100400,0x00000401,0x00100401,0x02100400,
+0x00000401,0x02000001,0x02100401,0x02100000,0x00100400,0x00000000,0x00000001,0x02100401,
+0x00000000,0x00100401,0x02100000,0x00000400,0x02000001,0x02000400,0x00000400,0x00100001,
+
+0x08000820,0x00000800,0x00020000,0x08020820,0x08000000,0x08000820,0x00000020,0x08000000,
+0x00020020,0x08020000,0x08020820,0x00020800,0x08020800,0x00020820,0x00000800,0x00000020,
+0x08020000,0x08000020,0x08000800,0x00000820,0x00020800,0x00020020,0x08020020,0x08020800,
+0x00000820,0x00000000,0x00000000,0x08020020,0x08000020,0x08000800,0x00020820,0x00020000,
+0x00020820,0x00020000,0x08020800,0x00000800,0x00000020,0x08020020,0x00000800,0x00020820,
+0x08000800,0x00000020,0x08000020,0x08020000,0x08020020,0x08000000,0x00020000,0x08000820,
+0x00000000,0x08020820,0x00020020,0x08000020,0x08020000,0x08000800,0x08000820,0x00000000,
+0x08020820,0x00020800,0x00020800,0x00000820,0x00000820,0x00020020,0x08000000,0x08020800,
+};
+
+/*
+ * for manual index calculation
+ * #define fetch(box, i, sh) (*((u32int*)((uchar*)spbox + (box << 8) + ((i >> (sh)) & 0xfc))))
+ */
+#define fetch(box, i, sh) ((spbox+(box << 6))[((i >> (sh + 2)) & 0x3f)])
+
+/*
+ * DES electronic codebook encryption of one block
+ */
+void
+block_cipher(ulong key[32], uchar text[8], int decrypting)
+{
+	u32int right, left, v0, v1;
+	int i, keystep;
+
+	/*
+	 * initial permutation
+	 */
+	v0 = text[0] | ((u32int)text[2]<<8) | ((u32int)text[4]<<16) | ((u32int)text[6]<<24);
+	left = text[1] | ((u32int)text[3]<<8) | ((u32int)text[5]<<16) | ((u32int)text[7]<<24);
+	right = (left & 0xaaaaaaaa) | ((v0 >> 1) & 0x55555555);
+	left = ((left << 1) & 0xaaaaaaaa) | (v0 & 0x55555555);
+	left = ((left << 6) & 0x33003300)
+		| (left & 0xcc33cc33)
+		| ((left >> 6) & 0x00cc00cc);
+	left = ((left << 12) & 0x0f0f0000)
+		| (left & 0xf0f00f0f)
+		| ((left >> 12) & 0x0000f0f0);
+	right = ((right << 6) & 0x33003300)
+		| (right & 0xcc33cc33)
+		| ((right >> 6) & 0x00cc00cc);
+	right = ((right << 12) & 0x0f0f0000)
+		| (right & 0xf0f00f0f)
+		| ((right >> 12) & 0x0000f0f0);
+
+	if (decrypting) {
+		keystep = -2;
+		key = key + 32 - 2;
+	} else
+		keystep = 2;
+	for (i = 0; i < 8; i++) {
+		v0 = key[0];
+		v0 ^= (right >> 1) | (right << 31);
+		left ^= fetch(0, v0, 24)
+			^ fetch(2, v0, 16)
+			^ fetch(4, v0, 8)
+			^ fetch(6, v0, 0);
+		v1 = key[1];
+		v1 ^= (right << 3) | (right >> 29);
+		left ^= fetch(1, v1, 24)
+			^ fetch(3, v1, 16)
+			^ fetch(5, v1, 8)
+			^ fetch(7, v1, 0);
+		key += keystep;
+		
+		v0 = key[0];
+		v0 ^= (left >> 1) | (left << 31);
+		right ^= fetch(0, v0, 24)
+			^ fetch(2, v0, 16)
+			^ fetch(4, v0, 8)
+			^ fetch(6, v0, 0);
+		v1 = key[1];
+		v1 ^= (left << 3) | (left >> 29);
+		right ^= fetch(1, v1, 24)
+			^ fetch(3, v1, 16)
+			^ fetch(5, v1, 8)
+			^ fetch(7, v1, 0);
+		key += keystep;
+	}
+
+	/*
+	 * final permutation, inverse initial permutation
+	 */
+	v0 = ((left << 1) & 0xaaaaaaaa) | (right & 0x55555555);
+	v1 = (left & 0xaaaaaaaa) | ((right >> 1) & 0x55555555);
+	v1 = ((v1 << 6) & 0x33003300)
+		| (v1 & 0xcc33cc33)
+		| ((v1 >> 6) & 0x00cc00cc);
+	v1 = ((v1 << 12) & 0x0f0f0000)
+		| (v1 & 0xf0f00f0f)
+		| ((v1 >> 12) & 0x0000f0f0);
+	v0 = ((v0 << 6) & 0x33003300)
+		| (v0 & 0xcc33cc33)
+		| ((v0 >> 6) & 0x00cc00cc);
+	v0 = ((v0 << 12) & 0x0f0f0000)
+		| (v0 & 0xf0f00f0f)
+		| ((v0 >> 12) & 0x0000f0f0);
+	text[0] = v0;
+	text[2] = v0 >> 8;
+	text[4] = v0 >> 16;
+	text[6] = v0 >> 24;
+	text[1] = v1;
+	text[3] = v1 >> 8;
+	text[5] = v1 >> 16;
+	text[7] = v1 >> 24;
+}
+
+/*
+ * triple DES electronic codebook encryption of one block
+ */
+void
+triple_block_cipher(ulong expanded_key[3][32], uchar text[8], int ende)
+{
+	ulong *key;
+	u32int right, left, v0, v1;
+	int i, j, keystep;
+
+	/*
+	 * initial permutation
+	 */
+	v0 = text[0] | ((u32int)text[2]<<8) | ((u32int)text[4]<<16) | ((u32int)text[6]<<24);
+	left = text[1] | ((u32int)text[3]<<8) | ((u32int)text[5]<<16) | ((u32int)text[7]<<24);
+	right = (left & 0xaaaaaaaa) | ((v0 >> 1) & 0x55555555);
+	left = ((left << 1) & 0xaaaaaaaa) | (v0 & 0x55555555);
+	left = ((left << 6) & 0x33003300)
+		| (left & 0xcc33cc33)
+		| ((left >> 6) & 0x00cc00cc);
+	left = ((left << 12) & 0x0f0f0000)
+		| (left & 0xf0f00f0f)
+		| ((left >> 12) & 0x0000f0f0);
+	right = ((right << 6) & 0x33003300)
+		| (right & 0xcc33cc33)
+		| ((right >> 6) & 0x00cc00cc);
+	right = ((right << 12) & 0x0f0f0000)
+		| (right & 0xf0f00f0f)
+		| ((right >> 12) & 0x0000f0f0);
+
+	for(j = 0; j < 3; j++){
+		if((ende & 1) == DES3D) {
+			key = &expanded_key[2-j][32-2];
+			keystep = -2;
+		} else {
+			key = &expanded_key[j][0];
+			keystep = 2;
+		}
+		ende >>= 1;
+		for (i = 0; i < 8; i++) {
+			v0 = key[0];
+			v0 ^= (right >> 1) | (right << 31);
+			left ^= fetch(0, v0, 24)
+				^ fetch(2, v0, 16)
+				^ fetch(4, v0, 8)
+				^ fetch(6, v0, 0);
+			v1 = key[1];
+			v1 ^= (right << 3) | (right >> 29);
+			left ^= fetch(1, v1, 24)
+				^ fetch(3, v1, 16)
+				^ fetch(5, v1, 8)
+				^ fetch(7, v1, 0);
+			key += keystep;
+			
+			v0 = key[0];
+			v0 ^= (left >> 1) | (left << 31);
+			right ^= fetch(0, v0, 24)
+				^ fetch(2, v0, 16)
+				^ fetch(4, v0, 8)
+				^ fetch(6, v0, 0);
+			v1 = key[1];
+			v1 ^= (left << 3) | (left >> 29);
+			right ^= fetch(1, v1, 24)
+				^ fetch(3, v1, 16)
+				^ fetch(5, v1, 8)
+				^ fetch(7, v1, 0);
+			key += keystep;
+		}
+
+		v0 = left;
+		left = right;
+		right = v0;
+	}
+
+	/*
+	 * final permutation, inverse initial permutation
+	 * left and right are swapped here
+	 */
+	v0 = ((right << 1) & 0xaaaaaaaa) | (left & 0x55555555);
+	v1 = (right & 0xaaaaaaaa) | ((left >> 1) & 0x55555555);
+	v1 = ((v1 << 6) & 0x33003300)
+		| (v1 & 0xcc33cc33)
+		| ((v1 >> 6) & 0x00cc00cc);
+	v1 = ((v1 << 12) & 0x0f0f0000)
+		| (v1 & 0xf0f00f0f)
+		| ((v1 >> 12) & 0x0000f0f0);
+	v0 = ((v0 << 6) & 0x33003300)
+		| (v0 & 0xcc33cc33)
+		| ((v0 >> 6) & 0x00cc00cc);
+	v0 = ((v0 << 12) & 0x0f0f0000)
+		| (v0 & 0xf0f00f0f)
+		| ((v0 >> 12) & 0x0000f0f0);
+	text[0] = v0;
+	text[2] = v0 >> 8;
+	text[4] = v0 >> 16;
+	text[6] = v0 >> 24;
+	text[1] = v1;
+	text[3] = v1 >> 8;
+	text[5] = v1 >> 16;
+	text[7] = v1 >> 24;
+}
+
+/*
+ * key compression permutation, 4 bits at a time
+ */
+static u32int comptab[] = {
+
+0x000000,0x010000,0x000008,0x010008,0x000080,0x010080,0x000088,0x010088,
+0x000000,0x010000,0x000008,0x010008,0x000080,0x010080,0x000088,0x010088,
+
+0x000000,0x100000,0x000800,0x100800,0x000000,0x100000,0x000800,0x100800,
+0x002000,0x102000,0x002800,0x102800,0x002000,0x102000,0x002800,0x102800,
+
+0x000000,0x000004,0x000400,0x000404,0x000000,0x000004,0x000400,0x000404,
+0x400000,0x400004,0x400400,0x400404,0x400000,0x400004,0x400400,0x400404,
+
+0x000000,0x000020,0x008000,0x008020,0x800000,0x800020,0x808000,0x808020,
+0x000002,0x000022,0x008002,0x008022,0x800002,0x800022,0x808002,0x808022,
+
+0x000000,0x000200,0x200000,0x200200,0x001000,0x001200,0x201000,0x201200,
+0x000000,0x000200,0x200000,0x200200,0x001000,0x001200,0x201000,0x201200,
+
+0x000000,0x000040,0x000010,0x000050,0x004000,0x004040,0x004010,0x004050,
+0x040000,0x040040,0x040010,0x040050,0x044000,0x044040,0x044010,0x044050,
+
+0x000000,0x000100,0x020000,0x020100,0x000001,0x000101,0x020001,0x020101,
+0x080000,0x080100,0x0a0000,0x0a0100,0x080001,0x080101,0x0a0001,0x0a0101,
+
+0x000000,0x000100,0x040000,0x040100,0x000000,0x000100,0x040000,0x040100,
+0x000040,0x000140,0x040040,0x040140,0x000040,0x000140,0x040040,0x040140,
+
+0x000000,0x400000,0x008000,0x408000,0x000008,0x400008,0x008008,0x408008,
+0x000400,0x400400,0x008400,0x408400,0x000408,0x400408,0x008408,0x408408,
+
+0x000000,0x001000,0x080000,0x081000,0x000020,0x001020,0x080020,0x081020,
+0x004000,0x005000,0x084000,0x085000,0x004020,0x005020,0x084020,0x085020,
+
+0x000000,0x000800,0x000000,0x000800,0x000010,0x000810,0x000010,0x000810,
+0x800000,0x800800,0x800000,0x800800,0x800010,0x800810,0x800010,0x800810,
+
+0x000000,0x010000,0x000200,0x010200,0x000000,0x010000,0x000200,0x010200,
+0x100000,0x110000,0x100200,0x110200,0x100000,0x110000,0x100200,0x110200,
+
+0x000000,0x000004,0x000000,0x000004,0x000080,0x000084,0x000080,0x000084,
+0x002000,0x002004,0x002000,0x002004,0x002080,0x002084,0x002080,0x002084,
+
+0x000000,0x000001,0x200000,0x200001,0x020000,0x020001,0x220000,0x220001,
+0x000002,0x000003,0x200002,0x200003,0x020002,0x020003,0x220002,0x220003,
+};
+
+static int keysh[] =
+{
+	1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1,
+};
+
+static void
+keycompperm(u32int left, u32int right, ulong *ek)
+{
+	u32int v0, v1;
+	int i;
+
+	for(i = 0; i < 16; i++){
+		left = (left << keysh[i]) | (left >> (28 - keysh[i]));
+		left &= 0xfffffff0;
+		right = (right << keysh[i]) | (right >> (28 - keysh[i]));
+		right &= 0xfffffff0;
+		v0 = comptab[6 * (1 << 4) + ((left >> (32-4)) & 0xf)]
+			| comptab[5 * (1 << 4) + ((left >> (32-8)) & 0xf)]
+			| comptab[4 * (1 << 4) + ((left >> (32-12)) & 0xf)]
+			| comptab[3 * (1 << 4) + ((left >> (32-16)) & 0xf)]
+			| comptab[2 * (1 << 4) + ((left >> (32-20)) & 0xf)]
+			| comptab[1 * (1 << 4) + ((left >> (32-24)) & 0xf)]
+			| comptab[0 * (1 << 4) + ((left >> (32-28)) & 0xf)];
+		v1 = comptab[13 * (1 << 4) + ((right >> (32-4)) & 0xf)]
+			| comptab[12 * (1 << 4) + ((right >> (32-8)) & 0xf)]
+			| comptab[11 * (1 << 4) + ((right >> (32-12)) & 0xf)]
+			| comptab[10 * (1 << 4) + ((right >> (32-16)) & 0xf)]
+			| comptab[9 * (1 << 4) + ((right >> (32-20)) & 0xf)]
+			| comptab[8 * (1 << 4) + ((right >> (32-24)) & 0xf)]
+			| comptab[7 * (1 << 4) + ((right >> (32-28)) & 0xf)];
+		ek[0] = (((v0 >> (24-6)) & 0x3f) << 26)
+			| (((v0 >> (24-18)) & 0x3f) << 18)
+			| (((v1 >> (24-6)) & 0x3f) << 10)
+			| (((v1 >> (24-18)) & 0x3f) << 2);
+		ek[1] = (((v0 >> (24-12)) & 0x3f) << 26)
+			| (((v0 >> (24-24)) & 0x3f) << 18)
+			| (((v1 >> (24-12)) & 0x3f) << 10)
+			| (((v1 >> (24-24)) & 0x3f) << 2);
+		ek += 2;
+	}
+}
+
+void
+des_key_setup(uchar key[8], ulong *ek)
+{
+	u32int left, right, v0, v1;
+
+	v0 = key[0] | ((u32int)key[2] << 8) | ((u32int)key[4] << 16) | ((u32int)key[6] << 24);
+	v1 = key[1] | ((u32int)key[3] << 8) | ((u32int)key[5] << 16) | ((u32int)key[7] << 24);
+	left = ((v0 >> 1) & 0x40404040)
+		| ((v0 >> 2) & 0x10101010)
+		| ((v0 >> 3) & 0x04040404)
+		| ((v0 >> 4) & 0x01010101)
+		| ((v1 >> 0) & 0x80808080)
+		| ((v1 >> 1) & 0x20202020)
+		| ((v1 >> 2) & 0x08080808)
+		| ((v1 >> 3) & 0x02020202);
+	right = ((v0 >> 1) & 0x04040404)
+		| ((v0 << 2) & 0x10101010)
+		| ((v0 << 5) & 0x40404040)
+		| ((v1 << 0) & 0x08080808)
+		| ((v1 << 3) & 0x20202020)
+		| ((v1 << 6) & 0x80808080);
+	left = ((left << 6) & 0x33003300)
+		| (left & 0xcc33cc33)
+		| ((left >> 6) & 0x00cc00cc);
+	v0 = ((left << 12) & 0x0f0f0000)
+		| (left & 0xf0f00f0f)
+		| ((left >> 12) & 0x0000f0f0);
+	right = ((right << 6) & 0x33003300)
+		| (right & 0xcc33cc33)
+		| ((right >> 6) & 0x00cc00cc);
+	v1 = ((right << 12) & 0x0f0f0000)
+		| (right & 0xf0f00f0f)
+		| ((right >> 12) & 0x0000f0f0);
+	left = v0 & 0xfffffff0;
+	right = (v1 & 0xffffff00) | ((v0 << 4) & 0xf0);
+
+	keycompperm(left, right, ek);
+}
+
+static uchar parity[128] =
+{
+	0x01, 0x02, 0x04, 0x07, 0x08, 0x0b, 0x0d, 0x0e, 
+	0x10, 0x13, 0x15, 0x16, 0x19, 0x1a, 0x1c, 0x1f, 
+	0x20, 0x23, 0x25, 0x26, 0x29, 0x2a, 0x2c, 0x2f, 
+	0x31, 0x32, 0x34, 0x37, 0x38, 0x3b, 0x3d, 0x3e, 
+	0x40, 0x43, 0x45, 0x46, 0x49, 0x4a, 0x4c, 0x4f, 
+	0x51, 0x52, 0x54, 0x57, 0x58, 0x5b, 0x5d, 0x5e, 
+	0x61, 0x62, 0x64, 0x67, 0x68, 0x6b, 0x6d, 0x6e, 
+	0x70, 0x73, 0x75, 0x76, 0x79, 0x7a, 0x7c, 0x7f, 
+	0x80, 0x83, 0x85, 0x86, 0x89, 0x8a, 0x8c, 0x8f, 
+	0x91, 0x92, 0x94, 0x97, 0x98, 0x9b, 0x9d, 0x9e, 
+	0xa1, 0xa2, 0xa4, 0xa7, 0xa8, 0xab, 0xad, 0xae, 
+	0xb0, 0xb3, 0xb5, 0xb6, 0xb9, 0xba, 0xbc, 0xbf, 
+	0xc1, 0xc2, 0xc4, 0xc7, 0xc8, 0xcb, 0xcd, 0xce, 
+	0xd0, 0xd3, 0xd5, 0xd6, 0xd9, 0xda, 0xdc, 0xdf, 
+	0xe0, 0xe3, 0xe5, 0xe6, 0xe9, 0xea, 0xec, 0xef, 
+	0xf1, 0xf2, 0xf4, 0xf7, 0xf8, 0xfb, 0xfd, 0xfe,
+};
+
+/*
+ *  convert a 7 byte key to an 8 byte one
+ */
+void
+des56to64(uchar *k56, uchar *k64)
+{
+	u32int hi, lo;
+
+	hi = ((u32int)k56[0]<<24)|((u32int)k56[1]<<16)|((u32int)k56[2]<<8)|k56[3];
+	lo = ((u32int)k56[4]<<24)|((u32int)k56[5]<<16)|((u32int)k56[6]<<8);
+
+	k64[0] = parity[(hi>>25)&0x7f];
+	k64[1] = parity[(hi>>18)&0x7f];
+	k64[2] = parity[(hi>>11)&0x7f];
+	k64[3] = parity[(hi>>4)&0x7f];
+	k64[4] = parity[((hi<<3)|(lo>>29))&0x7f];
+	k64[5] = parity[(lo>>22)&0x7f];
+	k64[6] = parity[(lo>>15)&0x7f];
+	k64[7] = parity[(lo>>8)&0x7f];
+}
+
+/*
+ *  convert an 8 byte key to a 7 byte one
+ */
+void
+des64to56(uchar *k64, uchar *k56)
+{
+	u32int hi, lo;
+
+	hi = (((u32int)k64[0]&0xfe)<<24)|(((u32int)k64[1]&0xfe)<<17)|(((u32int)k64[2]&0xfe)<<10)
+		|((k64[3]&0xfe)<<3)|(k64[4]>>4);
+	lo = (((u32int)k64[4]&0xfe)<<28)|(((u32int)k64[5]&0xfe)<<21)|(((u32int)k64[6]&0xfe)<<14)
+		|(((u32int)k64[7]&0xfe)<<7);
+
+	k56[0] = hi>>24;
+	k56[1] = hi>>16;
+	k56[2] = hi>>8;
+	k56[3] = hi>>0;
+	k56[4] = lo>>24;
+	k56[5] = lo>>16;
+	k56[6] = lo>>8;
+}
+
+void
+key_setup(uchar key[7], ulong *ek)
+{
+	uchar k64[8];
+
+	des56to64(key, k64);
+	des_key_setup(k64, ek);	
+}
diff --git a/libsec/port/des3CBC.c b/libsec/port/des3CBC.c
new file mode 100644
index 00000000..26329300
--- /dev/null
+++ b/libsec/port/des3CBC.c
@@ -0,0 +1,59 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// Because of the way that non multiple of 8
+// buffers are handled, the decryptor must
+// be fed buffers of the same size as the
+// encryptor
+
+
+// If the length is not a multiple of 8, I encrypt
+// the overflow to be compatible with lacy's cryptlib
+void
+des3CBCencrypt(uchar *p, int len, DES3state *s)
+{
+	uchar *p2, *ip, *eip;
+
+	for(; len >= 8; len -= 8){
+		p2 = p;
+		ip = s->ivec;
+		for(eip = ip+8; ip < eip; )
+			*p2++ ^= *ip++;
+		triple_block_cipher(s->expanded, p, DES3EDE);
+		memmove(s->ivec, p, 8);
+		p += 8;
+	}
+
+	if(len > 0){
+		ip = s->ivec;
+		triple_block_cipher(s->expanded, ip, DES3EDE);
+		for(eip = ip+len; ip < eip; )
+			*p++ ^= *ip++;
+	}
+}
+
+void
+des3CBCdecrypt(uchar *p, int len, DES3state *s)
+{
+	uchar *ip, *eip, *tp;
+	uchar tmp[8];
+
+	for(; len >= 8; len -= 8){
+		memmove(tmp, p, 8);
+		triple_block_cipher(s->expanded, p, DES3DED);
+		tp = tmp;
+		ip = s->ivec;
+		for(eip = ip+8; ip < eip; ){
+			*p++ ^= *ip;
+			*ip++ = *tp++;
+		}
+	}
+
+	if(len > 0){
+		ip = s->ivec;
+		triple_block_cipher(s->expanded, ip, DES3EDE);
+		for(eip = ip+len; ip < eip; )
+			*p++ ^= *ip++;
+	}
+}
diff --git a/libsec/port/des3ECB.c b/libsec/port/des3ECB.c
new file mode 100644
index 00000000..324254b1
--- /dev/null
+++ b/libsec/port/des3ECB.c
@@ -0,0 +1,48 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// I wasn't sure what to do when the buffer was not
+// a multiple of 8.  I did what lacy's cryptolib did
+// to be compatible, but it looks dangerous to me
+// since its encrypting plain text with the key. -- presotto
+
+void
+des3ECBencrypt(uchar *p, int len, DES3state *s)
+{
+	int i;
+	uchar tmp[8];
+
+	for(; len >= 8; len -= 8){
+		triple_block_cipher(s->expanded, p, DES3EDE);
+		p += 8;
+	}
+	
+	if(len > 0){
+		for (i=0; i<8; i++)
+			tmp[i] = i;
+		triple_block_cipher(s->expanded, tmp, DES3EDE);
+		for (i = 0; i < len; i++)
+			p[i] ^= tmp[i];
+	}
+}
+
+void
+des3ECBdecrypt(uchar *p, int len, DES3state *s)
+{
+	int i;
+	uchar tmp[8];
+
+	for(; len >= 8; len -= 8){
+		triple_block_cipher(s->expanded, p, DES3DED);
+		p += 8;
+	}
+	
+	if(len > 0){
+		for (i=0; i<8; i++)
+			tmp[i] = i;
+		triple_block_cipher(s->expanded, tmp, DES3EDE);
+		for (i = 0; i < len; i++)
+			p[i] ^= tmp[i];
+	}
+}
diff --git a/libsec/port/desCBC.c b/libsec/port/desCBC.c
new file mode 100644
index 00000000..ecee29e8
--- /dev/null
+++ b/libsec/port/desCBC.c
@@ -0,0 +1,59 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// Because of the way that non multiple of 8
+// buffers are handled, the decryptor must
+// be fed buffers of the same size as the
+// encryptor
+
+
+// If the length is not a multiple of 8, I encrypt
+// the overflow to be compatible with lacy's cryptlib
+void
+desCBCencrypt(uchar *p, int len, DESstate *s)
+{
+	uchar *p2, *ip, *eip;
+
+	for(; len >= 8; len -= 8){
+		p2 = p;
+		ip = s->ivec;
+		for(eip = ip+8; ip < eip; )
+			*p2++ ^= *ip++;
+		block_cipher(s->expanded, p, 0);
+		memmove(s->ivec, p, 8);
+		p += 8;
+	}
+
+	if(len > 0){
+		ip = s->ivec;
+		block_cipher(s->expanded, ip, 0);
+		for(eip = ip+len; ip < eip; )
+			*p++ ^= *ip++;
+	}
+}
+
+void
+desCBCdecrypt(uchar *p, int len, DESstate *s)
+{
+	uchar *ip, *eip, *tp;
+	uchar tmp[8];
+
+	for(; len >= 8; len -= 8){
+		memmove(tmp, p, 8);
+		block_cipher(s->expanded, p, 1);
+		tp = tmp;
+		ip = s->ivec;
+		for(eip = ip+8; ip < eip; ){
+			*p++ ^= *ip;
+			*ip++ = *tp++;
+		}
+	}
+
+	if(len > 0){
+		ip = s->ivec;
+		block_cipher(s->expanded, ip, 0);
+		for(eip = ip+len; ip < eip; )
+			*p++ ^= *ip++;
+	}
+}
diff --git a/libsec/port/desECB.c b/libsec/port/desECB.c
new file mode 100644
index 00000000..a9ad0018
--- /dev/null
+++ b/libsec/port/desECB.c
@@ -0,0 +1,48 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// I wasn't sure what to do when the buffer was not
+// a multiple of 8.  I did what lacy's cryptolib did
+// to be compatible, but it looks dangerous to me
+// since its encrypting plain text with the key. -- presotto
+
+void
+desECBencrypt(uchar *p, int len, DESstate *s)
+{
+	int i;
+	uchar tmp[8];
+
+	for(; len >= 8; len -= 8){
+		block_cipher(s->expanded, p, 0);
+		p += 8;
+	}
+	
+	if(len > 0){
+		for (i=0; i<8; i++)
+			tmp[i] = i;
+		block_cipher(s->expanded, tmp, 0);
+		for (i = 0; i < len; i++)
+			p[i] ^= tmp[i];
+	}
+}
+
+void
+desECBdecrypt(uchar *p, int len, DESstate *s)
+{
+	int i;
+	uchar tmp[8];
+
+	for(; len >= 8; len -= 8){
+		block_cipher(s->expanded, p, 1);
+		p += 8;
+	}
+	
+	if(len > 0){
+		for (i=0; i<8; i++)
+			tmp[i] = i;
+		block_cipher(s->expanded, tmp, 0);
+		for (i = 0; i < len; i++)
+			p[i] ^= tmp[i];
+	}
+}
diff --git a/libsec/port/desmodes.c b/libsec/port/desmodes.c
new file mode 100644
index 00000000..da6d9841
--- /dev/null
+++ b/libsec/port/desmodes.c
@@ -0,0 +1,31 @@
+#include "os.h"
+#include <libsec.h>
+
+/*
+ *  these routines use the 64bit format for
+ *  DES keys.
+ */
+
+void
+setupDESstate(DESstate *s, uchar key[8], uchar *ivec)
+{
+	memset(s, 0, sizeof(*s));
+	memmove(s->key, key, sizeof(s->key));
+	des_key_setup(key, s->expanded);
+	if(ivec)
+		memmove(s->ivec, ivec, 8);
+	s->setup = 0xdeadbeef;
+}
+
+void
+setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec)
+{
+	memset(s, 0, sizeof(*s));
+	memmove(s->key, key, sizeof(s->key));
+	des_key_setup(key[0], s->expanded[0]);
+	des_key_setup(key[1], s->expanded[1]);
+	des_key_setup(key[2], s->expanded[2]);
+	if(ivec)
+		memmove(s->ivec, ivec, 8);
+	s->setup = 0xdeadbeef;
+}
diff --git a/libsec/port/dsaalloc.c b/libsec/port/dsaalloc.c
new file mode 100644
index 00000000..d82ab3de
--- /dev/null
+++ b/libsec/port/dsaalloc.c
@@ -0,0 +1,72 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+DSApub*
+dsapuballoc(void)
+{
+	DSApub *dsa;
+
+	dsa = mallocz(sizeof(*dsa), 1);
+	if(dsa == nil)
+		sysfatal("dsapuballoc");
+	return dsa;
+}
+
+void
+dsapubfree(DSApub *dsa)
+{
+	if(dsa == nil)
+		return;
+	mpfree(dsa->p);
+	mpfree(dsa->q);
+	mpfree(dsa->alpha);
+	mpfree(dsa->key);
+	free(dsa);
+}
+
+
+DSApriv*
+dsaprivalloc(void)
+{
+	DSApriv *dsa;
+
+	dsa = mallocz(sizeof(*dsa), 1);
+	if(dsa == nil)
+		sysfatal("dsaprivalloc");
+	return dsa;
+}
+
+void
+dsaprivfree(DSApriv *dsa)
+{
+	if(dsa == nil)
+		return;
+	mpfree(dsa->pub.p);
+	mpfree(dsa->pub.q);
+	mpfree(dsa->pub.alpha);
+	mpfree(dsa->pub.key);
+	mpfree(dsa->secret);
+	free(dsa);
+}
+
+DSAsig*
+dsasigalloc(void)
+{
+	DSAsig *dsa;
+
+	dsa = mallocz(sizeof(*dsa), 1);
+	if(dsa == nil)
+		sysfatal("dsasigalloc");
+	return dsa;
+}
+
+void
+dsasigfree(DSAsig *dsa)
+{
+	if(dsa == nil)
+		return;
+	mpfree(dsa->r);
+	mpfree(dsa->s);
+	free(dsa);
+}
diff --git a/libsec/port/dsagen.c b/libsec/port/dsagen.c
new file mode 100644
index 00000000..46c369e1
--- /dev/null
+++ b/libsec/port/dsagen.c
@@ -0,0 +1,58 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+DSApriv*
+dsagen(DSApub *opub)
+{
+	DSApub *pub;
+	DSApriv *priv;
+	mpint *exp;
+	mpint *g;
+	mpint *r;
+	int bits;
+
+	priv = dsaprivalloc();
+	pub = &priv->pub;
+
+	if(opub != nil){
+		pub->p = mpcopy(opub->p);
+		pub->q = mpcopy(opub->q);
+	} else {
+		pub->p = mpnew(0);
+		pub->q = mpnew(0);
+		DSAprimes(pub->q, pub->p, nil);
+	}
+	bits = Dbits*pub->p->top;
+
+	pub->alpha = mpnew(0);
+	pub->key = mpnew(0);
+	priv->secret = mpnew(0);
+
+	// find a generator alpha of the multiplicative
+	// group Z*p, i.e., of order n = p-1.  We use the
+	// fact that q divides p-1 to reduce the exponent.
+	exp = mpnew(0);
+	g = mpnew(0);
+	r = mpnew(0);
+	mpsub(pub->p, mpone, exp);
+	mpdiv(exp, pub->q, exp, r);
+	if(mpcmp(r, mpzero) != 0)
+		sysfatal("dsagen foul up");
+	while(1){
+		mprand(bits, genrandom, g);
+		mpmod(g, pub->p, g);
+		mpexp(g, exp, pub->p, pub->alpha);
+		if(mpcmp(pub->alpha, mpone) != 0)
+			break;
+	}
+	mpfree(g);
+	mpfree(exp);
+
+	// create the secret key
+	mprand(bits, genrandom, priv->secret);
+	mpmod(priv->secret, pub->p, priv->secret);
+	mpexp(pub->alpha, priv->secret, pub->p, pub->key);
+
+	return priv;
+}
diff --git a/libsec/port/dsaprimes.c b/libsec/port/dsaprimes.c
new file mode 100644
index 00000000..ff1dd5d8
--- /dev/null
+++ b/libsec/port/dsaprimes.c
@@ -0,0 +1,97 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// NIST algorithm for generating DSA primes
+// Menezes et al (1997) Handbook of Applied Cryptography, p.151
+// q is a 160-bit prime;  p is a 1024-bit prime;  q divides p-1
+
+// arithmetic on unsigned ints mod 2**160, represented
+//    as 20-byte, little-endian uchar array
+
+static void
+Hrand(uchar *s)
+{
+	ulong *u = (ulong*)s;
+	*u++ = fastrand();
+	*u++ = fastrand();
+	*u++ = fastrand();
+	*u++ = fastrand();
+	*u = fastrand();
+}
+
+static void
+Hincr(uchar *s)
+{
+	int i;
+	for(i=0; i<20; i++)
+		if(++s[i]!=0)
+			break;
+}
+
+// this can run for quite a while;  be patient
+void
+DSAprimes(mpint *q, mpint *p, uchar seed[SHA1dlen])
+{
+	int i, j, k, n = 6, b = 63;
+	uchar s[SHA1dlen], Hs[SHA1dlen], Hs1[SHA1dlen], sj[SHA1dlen], sjk[SHA1dlen];
+	mpint *two1023, *mb, *Vk, *W, *X, *q2;
+
+	two1023 = mpnew(1024);
+	mpleft(mpone, 1023, two1023);
+	mb = mpnew(0);
+	mpleft(mpone, b, mb);
+	W = mpnew(1024);
+	Vk = mpnew(1024);
+	X = mpnew(0);
+	q2 = mpnew(0);
+forever:
+	do{
+		Hrand(s);
+		memcpy(sj, s, 20);
+		sha1(s, 20, Hs, 0);
+		Hincr(sj);
+		sha1(sj, 20, Hs1, 0);
+		for(i=0; i<20; i++)
+			Hs[i] ^= Hs1[i];
+		Hs[0] |= 1;
+		Hs[19] |= 0x80;
+		letomp(Hs, 20, q);
+	}while(!probably_prime(q, 18));
+	if(seed != nil)	// allow skeptics to confirm computation
+		memmove(seed, s, SHA1dlen);
+	i = 0;
+	j = 2;
+	Hincr(sj);
+	mpleft(q, 1, q2);
+	while(i<4096){
+		memcpy(sjk, sj, 20);
+		for(k=0; k <= n; k++){
+			sha1(sjk, 20, Hs, 0);
+			letomp(Hs, 20, Vk);
+			if(k == n)
+				mpmod(Vk, mb, Vk);
+			mpleft(Vk, 160*k, Vk);
+			mpadd(W, Vk, W);
+			Hincr(sjk);
+		}
+		mpadd(W, two1023, X);
+		mpmod(X, q2, W);
+		mpsub(W, mpone, W);
+		mpsub(X, W, p);
+		if(mpcmp(p, two1023)>=0 && probably_prime(p, 5))
+			goto done;
+		i += 1;
+		j += n+1;
+		for(k=0; k<n+1; k++)
+			Hincr(sj);
+	}
+	goto forever;
+done:
+	mpfree(q2);
+	mpfree(X);
+	mpfree(Vk);
+	mpfree(W);
+	mpfree(mb);
+	mpfree(two1023);
+}
diff --git a/libsec/port/dsaprivtopub.c b/libsec/port/dsaprivtopub.c
new file mode 100644
index 00000000..e1790cae
--- /dev/null
+++ b/libsec/port/dsaprivtopub.c
@@ -0,0 +1,16 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+DSApub*
+dsaprivtopub(DSApriv *priv)
+{
+	DSApub *pub;
+
+	pub = dsapuballoc();
+	pub->p = mpcopy(priv->pub.p);
+	pub->q = mpcopy(priv->pub.q);
+	pub->alpha = mpcopy(priv->pub.alpha);
+	pub->key = mpcopy(priv->pub.key);
+	return pub;
+}
diff --git a/libsec/port/dsasign.c b/libsec/port/dsasign.c
new file mode 100644
index 00000000..137134be
--- /dev/null
+++ b/libsec/port/dsasign.c
@@ -0,0 +1,52 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+DSAsig*
+dsasign(DSApriv *priv, mpint *m)
+{
+	DSApub *pub = &priv->pub;
+	DSAsig *sig;
+	mpint *qm1, *k, *kinv, *r, *s;
+	mpint *q = pub->q, *p = pub->p, *alpha = pub->alpha;
+	int qlen = mpsignif(q);
+
+	qm1 = mpnew(0);
+	kinv = mpnew(0);
+	r = mpnew(0);
+	s = mpnew(0);
+	k = mpnew(0);
+	mpsub(pub->q, mpone, qm1);
+
+	// find a k that has an inverse mod q
+	while(1){
+		mprand(qlen, genrandom, k);
+		if((mpcmp(mpone, k) > 0) || (mpcmp(k, pub->q) >= 0))
+			continue;
+		mpextendedgcd(k, q, r, kinv, s);
+		if(mpcmp(r, mpone) != 0)
+			sysfatal("dsasign: pub->q not prime");
+		break;
+	}
+
+  	// make kinv positive
+	mpmod(kinv, pub->q, kinv);
+
+	// r = ((alpha**k) mod p) mod q
+	mpexp(alpha, k, p, r);
+	mpmod(r, q, r);
+
+	// s = (kinv*(m + ar)) mod q
+	mpmul(r, priv->secret, s);
+	mpadd(s, m, s);
+	mpmul(s, kinv, s);
+	mpmod(s, q, s);
+
+	sig = dsasigalloc();
+	sig->r = r;
+	sig->s = s;
+	mpfree(qm1);
+	mpfree(k);
+	mpfree(kinv);
+	return sig;
+}
diff --git a/libsec/port/dsaverify.c b/libsec/port/dsaverify.c
new file mode 100644
index 00000000..70e7f3cb
--- /dev/null
+++ b/libsec/port/dsaverify.c
@@ -0,0 +1,46 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+int
+dsaverify(DSApub *pub, DSAsig *sig, mpint *m)
+{
+	int rv = -1;
+	mpint *u1, *u2, *v, *sinv;
+
+	if(mpcmp(sig->r, mpone) < 0 || mpcmp(sig->r, pub->q) >= 0)
+		return rv;
+	if(mpcmp(sig->s, mpone) < 0 || mpcmp(sig->s, pub->q) >= 0)
+		return rv;
+	u1 = mpnew(0);
+	u2 = mpnew(0);
+	v = mpnew(0);
+	sinv = mpnew(0);
+
+	// find (s**-1) mod q, make sure it exists
+	mpextendedgcd(sig->s, pub->q, u1, sinv, v);
+	if(mpcmp(u1, mpone) != 0)
+		goto out;
+
+	// u1 = (sinv * m) mod q, u2 = (r * sinv) mod q
+	mpmul(sinv, m, u1);
+	mpmod(u1, pub->q, u1);
+	mpmul(sig->r, sinv, u2);
+	mpmod(u2, pub->q, u2);
+
+	// v = (((alpha**u1)*(key**u2)) mod p) mod q
+	mpexp(pub->alpha, u1, pub->p, sinv);
+	mpexp(pub->key, u2, pub->p, v);
+	mpmul(sinv, v, v);
+	mpmod(v, pub->p, v);
+	mpmod(v, pub->q, v);
+
+	if(mpcmp(v, sig->r) == 0)
+		rv = 0;
+out:
+	mpfree(v);
+	mpfree(u1);
+	mpfree(u2);
+	mpfree(sinv);
+	return rv;
+}
diff --git a/libsec/port/egalloc.c b/libsec/port/egalloc.c
new file mode 100644
index 00000000..3f0753da
--- /dev/null
+++ b/libsec/port/egalloc.c
@@ -0,0 +1,70 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+EGpub*
+egpuballoc(void)
+{
+	EGpub *eg;
+
+	eg = mallocz(sizeof(*eg), 1);
+	if(eg == nil)
+		sysfatal("egpuballoc");
+	return eg;
+}
+
+void
+egpubfree(EGpub *eg)
+{
+	if(eg == nil)
+		return;
+	mpfree(eg->p);
+	mpfree(eg->alpha);
+	mpfree(eg->key);
+	free(eg);
+}
+
+
+EGpriv*
+egprivalloc(void)
+{
+	EGpriv *eg;
+
+	eg = mallocz(sizeof(*eg), 1);
+	if(eg == nil)
+		sysfatal("egprivalloc");
+	return eg;
+}
+
+void
+egprivfree(EGpriv *eg)
+{
+	if(eg == nil)
+		return;
+	mpfree(eg->pub.p);
+	mpfree(eg->pub.alpha);
+	mpfree(eg->pub.key);
+	mpfree(eg->secret);
+	free(eg);
+}
+
+EGsig*
+egsigalloc(void)
+{
+	EGsig *eg;
+
+	eg = mallocz(sizeof(*eg), 1);
+	if(eg == nil)
+		sysfatal("egsigalloc");
+	return eg;
+}
+
+void
+egsigfree(EGsig *eg)
+{
+	if(eg == nil)
+		return;
+	mpfree(eg->r);
+	mpfree(eg->s);
+	free(eg);
+}
diff --git a/libsec/port/egdecrypt.c b/libsec/port/egdecrypt.c
new file mode 100644
index 00000000..24578800
--- /dev/null
+++ b/libsec/port/egdecrypt.c
@@ -0,0 +1,28 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+mpint*
+egdecrypt(EGpriv *priv, mpint *in, mpint *out)
+{
+	EGpub *pub = &priv->pub;
+	mpint *gamma, *delta;
+	mpint *p = pub->p;
+	int plen = mpsignif(p)+1;
+	int shift = ((plen+Dbits-1)/Dbits)*Dbits;
+
+	if(out == nil)
+		out = mpnew(0);
+	gamma = mpnew(0);
+	delta = mpnew(0);
+	mpright(in, shift, gamma);
+	mpleft(gamma, shift, delta);
+	mpsub(in, delta, delta);	
+	mpexp(gamma, priv->secret, p, out);
+	mpinvert(out, p, gamma);
+	mpmul(gamma, delta, out);
+	mpmod(out, p, out);
+	mpfree(gamma);
+	mpfree(delta);
+	return out;
+}
diff --git a/libsec/port/egencrypt.c b/libsec/port/egencrypt.c
new file mode 100644
index 00000000..9b6b12c6
--- /dev/null
+++ b/libsec/port/egencrypt.c
@@ -0,0 +1,38 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+mpint*
+egencrypt(EGpub *pub, mpint *in, mpint *out)
+{
+	mpint *m, *k, *gamma, *delta, *pm1;
+	mpint *p = pub->p, *alpha = pub->alpha;
+	int plen = mpsignif(p);
+	int shift = ((plen+Dbits)/Dbits)*Dbits;
+	// in libcrypt version, (int)(LENGTH(pub->p)*sizeof(NumType)*CHARBITS);
+
+	if(out == nil)
+		out = mpnew(0);
+	pm1 = mpnew(0);
+	m = mpnew(0);
+	gamma = mpnew(0);
+	delta = mpnew(0);
+	mpmod(in, p, m);
+	while(1){
+		k = mprand(plen, genrandom, nil);
+		if((mpcmp(mpone, k) <= 0) && (mpcmp(k, pm1) < 0))
+			break;
+	}
+	mpexp(alpha, k, p, gamma);
+	mpexp(pub->key, k, p, delta);
+	mpmul(m, delta, delta);
+	mpmod(delta, p, delta);
+	mpleft(gamma, shift, out);
+	mpadd(delta, out, out);
+	mpfree(pm1);
+	mpfree(m);
+	mpfree(k);
+	mpfree(gamma);
+	mpfree(delta);
+	return out;
+}
diff --git a/libsec/port/eggen.c b/libsec/port/eggen.c
new file mode 100644
index 00000000..9ea7d998
--- /dev/null
+++ b/libsec/port/eggen.c
@@ -0,0 +1,21 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+EGpriv*
+eggen(int nlen, int rounds)
+{
+	EGpub *pub;
+	EGpriv *priv;
+
+	priv = egprivalloc();
+	pub = &priv->pub;
+	pub->p = mpnew(0);
+	pub->alpha = mpnew(0);
+	pub->key = mpnew(0);
+	priv->secret = mpnew(0);
+	gensafeprime(pub->p, pub->alpha, nlen, rounds);
+	mprand(nlen-1, genrandom, priv->secret);
+	mpexp(pub->alpha, priv->secret, pub->p, pub->key);
+	return priv;
+}
diff --git a/libsec/port/egprivtopub.c b/libsec/port/egprivtopub.c
new file mode 100644
index 00000000..e22c5c31
--- /dev/null
+++ b/libsec/port/egprivtopub.c
@@ -0,0 +1,17 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+EGpub*
+egprivtopub(EGpriv *priv)
+{
+	EGpub *pub;
+
+	pub = egpuballoc();
+	if(pub == nil)
+		return nil;
+	pub->p = mpcopy(priv->pub.p);
+	pub->alpha = mpcopy(priv->pub.alpha);
+	pub->key = mpcopy(priv->pub.key);
+	return pub;
+}
diff --git a/libsec/port/egsign.c b/libsec/port/egsign.c
new file mode 100644
index 00000000..10540041
--- /dev/null
+++ b/libsec/port/egsign.c
@@ -0,0 +1,43 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+EGsig*
+egsign(EGpriv *priv, mpint *m)
+{
+	EGpub *pub = &priv->pub;
+	EGsig *sig;
+	mpint *pm1, *k, *kinv, *r, *s;
+	mpint *p = pub->p, *alpha = pub->alpha;
+	int plen = mpsignif(p);
+
+	pm1 = mpnew(0);
+	kinv = mpnew(0);
+	r = mpnew(0);
+	s = mpnew(0);
+	k = mpnew(0);
+	mpsub(p, mpone, pm1);
+	while(1){
+		mprand(plen, genrandom, k);
+		if((mpcmp(mpone, k) > 0) || (mpcmp(k, pm1) >= 0))
+			continue;
+		mpextendedgcd(k, pm1, r, kinv, s);
+		if(mpcmp(r, mpone) != 0)
+			continue;
+		break;
+	}
+	mpmod(kinv, pm1, kinv);  // make kinv positive
+	mpexp(alpha, k, p, r);
+	mpmul(priv->secret, r, s);
+	mpmod(s, pm1, s);
+	mpsub(m, s, s);
+	mpmul(kinv, s, s);
+	mpmod(s, pm1, s);
+	sig = egsigalloc();
+	sig->r = r;
+	sig->s = s;
+	mpfree(pm1);
+	mpfree(k);
+	mpfree(kinv);
+	return sig;
+}
diff --git a/libsec/port/egtest.c b/libsec/port/egtest.c
new file mode 100644
index 00000000..41b438dc
--- /dev/null
+++ b/libsec/port/egtest.c
@@ -0,0 +1,34 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+void
+main(void)
+{
+	EGpriv *sk;
+	mpint *m, *gamma, *delta, *in, *out;
+	int plen, shift;
+
+	fmtinstall('B', mpconv);
+
+	sk = egprivalloc();
+	sk->pub.p = uitomp(2357, nil);
+	sk->pub.alpha = uitomp(2, nil);
+	sk->pub.key = uitomp(1185, nil);
+	sk->secret = uitomp(1751, nil);
+
+	m = uitomp(2035, nil);
+
+	plen = mpsignif(sk->pub.p)+1;
+	shift = ((plen+Dbits-1)/Dbits)*Dbits;
+	gamma = uitomp(1430, nil);
+	delta = uitomp(697, nil);
+	out = mpnew(0);
+	in = mpnew(0);
+	mpleft(gamma, shift, in);
+	mpadd(delta, in, in);
+	egdecrypt(sk, in, out);
+
+	if(mpcmp(m, out) != 0)
+		print("decrypt failed to recover message\n");
+}
diff --git a/libsec/port/egverify.c b/libsec/port/egverify.c
new file mode 100644
index 00000000..29a95156
--- /dev/null
+++ b/libsec/port/egverify.c
@@ -0,0 +1,29 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+int
+egverify(EGpub *pub, EGsig *sig, mpint *m)
+{
+	mpint *p = pub->p, *alpha = pub->alpha;
+	mpint *r = sig->r, *s = sig->s;
+	mpint *v1, *v2, *rs;
+	int rv = -1;
+
+	if(mpcmp(r, mpone) < 0 || mpcmp(r, p) >= 0)
+		return rv;
+	v1 = mpnew(0);
+	rs = mpnew(0);
+	v2 = mpnew(0);
+	mpexp(pub->key, r, p, v1);
+	mpexp(r, s, p, rs);
+	mpmul(v1, rs, v1);
+	mpmod(v1, p, v1);
+	mpexp(alpha, m, p, v2);
+	if(mpcmp(v1, v2) == 0)
+		rv = 0;
+	mpfree(v1);
+	mpfree(rs);
+	mpfree(v2);
+	return rv;
+}
diff --git a/libsec/port/fastrand.c b/libsec/port/fastrand.c
new file mode 100644
index 00000000..b65ba683
--- /dev/null
+++ b/libsec/port/fastrand.c
@@ -0,0 +1,15 @@
+#include	"os.h"
+#include	<libsec.h>
+
+/* 
+ *  use the X917 random number generator to create random
+ *  numbers (faster than truerand() but not as random).
+ */
+ulong
+fastrand(void)
+{
+	ulong x;
+	
+	genrandom((uchar*)&x, sizeof x);
+	return x;
+}
diff --git a/libsec/port/genprime.c b/libsec/port/genprime.c
new file mode 100644
index 00000000..c0e16d92
--- /dev/null
+++ b/libsec/port/genprime.c
@@ -0,0 +1,27 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+//  generate a probable prime.  accuracy is the miller-rabin interations
+void
+genprime(mpint *p, int n, int accuracy)
+{
+	mpdigit x;
+
+	// generate n random bits with high and low bits set
+	mpbits(p, n);
+	genrandom((uchar*)p->p, (n+7)/8);
+	p->top = (n+Dbits-1)/Dbits;
+	x = 1;
+	x <<= ((n-1)%Dbits);
+	p->p[p->top-1] &= (x-1);
+	p->p[p->top-1] |= x;
+	p->p[0] |= 1;
+
+	// keep icrementing till it looks prime
+	for(;;){
+		if(probably_prime(p, accuracy))
+			break;
+		mpadd(p, mptwo, p);
+	}
+}
diff --git a/libsec/port/genrandom.c b/libsec/port/genrandom.c
new file mode 100644
index 00000000..f123b597
--- /dev/null
+++ b/libsec/port/genrandom.c
@@ -0,0 +1,62 @@
+#include "os.h"
+#include "kernel.h"
+#include <mp.h>
+#include <libsec.h>
+
+typedef struct State{
+	int		seeded;
+	uvlong		seed;
+	DES3state	des3;
+} State;
+static State x917state;
+
+static void
+X917(uchar *rand, int nrand)
+{
+	int i, m, n8;
+	uvlong I, x;
+
+	/* 1. Compute intermediate value I = Ek(time). */
+	I = nsec();
+	triple_block_cipher(x917state.des3.expanded, (uchar*)&I, 0); /* two-key EDE */
+
+	/* 2. x[i] = Ek(I^seed);  seed = Ek(x[i]^I); */
+	m = (nrand+7)/8;
+	for(i=0; i<m; i++){
+		x = I ^ x917state.seed;
+		triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0);
+		n8 = (nrand>8) ? 8 : nrand;
+		memcpy(rand, (uchar*)&x, n8);
+		rand += 8;
+		nrand -= 8;
+		x ^= I;
+		triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0);
+		x917state.seed = x;
+	}
+}
+
+static void
+X917init(void)
+{
+	int n;
+	uchar mix[128];
+	uchar key3[3][8];
+	ulong *ulp;
+
+	ulp = (ulong*)key3;
+	for(n = 0; n < sizeof(key3)/sizeof(ulong); n++)
+		ulp[n] = truerand();
+	setupDES3state(&x917state.des3, key3, nil);
+	X917(mix, sizeof mix);
+	x917state.seeded = 1;
+}
+
+void
+genrandom(uchar *p, int n)
+{
+	_genrandomqlock();
+	if(x917state.seeded == 0)
+		X917init();
+	X917(p, n);
+	_genrandomqunlock();
+}
diff --git a/libsec/port/gensafeprime.c b/libsec/port/gensafeprime.c
new file mode 100644
index 00000000..e95c94c9
--- /dev/null
+++ b/libsec/port/gensafeprime.c
@@ -0,0 +1,36 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// find a prime p of length n and a generator alpha of Z^*_p
+// Alg 4.86 Menezes et al () Handbook, p.164
+void
+gensafeprime(mpint *p, mpint *alpha, int n, int accuracy)
+{
+	mpint *q, *b;
+
+	q = mpnew(n-1);
+	while(1){
+		genprime(q, n-1, accuracy);
+		mpleft(q, 1, p);
+		mpadd(p, mpone, p); // p = 2*q+1
+		if(probably_prime(p, accuracy))
+			break;
+	}
+	// now find a generator alpha of the multiplicative
+	// group Z*_p of order p-1=2q
+	b = mpnew(0);
+	while(1){
+		mprand(n, genrandom, alpha);
+		mpmod(alpha, p, alpha);
+		mpmul(alpha, alpha, b);
+		mpmod(b, p, b);
+		if(mpcmp(b, mpone) == 0)
+			continue;
+		mpexp(alpha, q, p, b);
+		if(mpcmp(b, mpone) != 0)
+			break;
+	}
+	mpfree(b);
+	mpfree(q);
+}
diff --git a/libsec/port/genstrongprime.c b/libsec/port/genstrongprime.c
new file mode 100644
index 00000000..27c43a96
--- /dev/null
+++ b/libsec/port/genstrongprime.c
@@ -0,0 +1,57 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// Gordon's algorithm for generating a strong prime
+//	Menezes et al () Handbook, p.150
+void
+genstrongprime(mpint *p, int n, int accuracy)
+{
+	mpint *s, *t, *r, *i;
+
+	if(n < 64)
+		n = 64;
+
+	s = mpnew(n/2);
+	genprime(s, (n/2)-16, accuracy);
+	t = mpnew(n/2);
+	genprime(t, n-mpsignif(s)-32, accuracy);
+
+	// first r = 2it + 1 that's prime
+	i = mpnew(16);
+	r = mpnew(0);
+	itomp(0x8000, i);
+	mpleft(t, 1, t);	// 2t
+	mpmul(i, t, r);		// 2it
+	mpadd(r, mpone, r);	// 2it + 1
+	for(;;){
+		if(probably_prime(r, 18))
+			break;
+		mpadd(r, t, r);	// r += 2t
+	}
+
+	// p0 = 2(s**(r-2) mod r)s - 1
+	itomp(2, p);
+	mpsub(r, p, p);
+	mpexp(s, p, r, p);
+	mpmul(s, p, p);
+	mpleft(p, 1, p);
+	mpsub(p, mpone, p);
+
+	// first p = p0 + 2irs that's prime
+	itomp(0x8000, i);
+	mpleft(r, 1, r);	// 2r
+	mpmul(r, s, r);		// 2rs
+	mpmul(r, i, i);		// 2irs
+	mpadd(p, i, p);		// p0 + 2irs
+	for(;;){
+		if(probably_prime(p, accuracy))
+			break;
+		mpadd(p, r, p); // p += 2rs
+	}
+
+	mpfree(i);
+	mpfree(s);
+	mpfree(r);
+	mpfree(t);
+}
diff --git a/libsec/port/hmac.c b/libsec/port/hmac.c
new file mode 100644
index 00000000..b6f003ad
--- /dev/null
+++ b/libsec/port/hmac.c
@@ -0,0 +1,56 @@
+#include "os.h"
+#include <libsec.h>
+
+/* rfc2104 */
+static DigestState*
+hmac_x(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s,
+	DigestState*(*x)(uchar*, ulong, uchar*, DigestState*), int xlen)
+{
+	int i;
+	uchar pad[65], innerdigest[256];
+
+	if(xlen > sizeof(innerdigest))
+		return nil;
+
+	if(klen>64)
+		return nil;
+
+	/* first time through */
+	if(s == nil || s->seeded == 0){
+		for(i=0; i<64; i++)
+			pad[i] = 0x36;
+		pad[64] = 0;
+		for(i=0; i<klen; i++)
+			pad[i] ^= key[i];
+		s = (*x)(pad, 64, nil, s);
+		if(s == nil)
+			return nil;
+	}
+
+	s = (*x)(p, len, nil, s);
+	if(digest == nil)
+		return s;
+
+	/* last time through */
+	for(i=0; i<64; i++)
+		pad[i] = 0x5c;
+	pad[64] = 0;
+	for(i=0; i<klen; i++)
+		pad[i] ^= key[i];
+	(*x)(nil, 0, innerdigest, s);
+	s = (*x)(pad, 64, nil, nil);
+	(*x)(innerdigest, xlen, digest, s);
+	return nil;
+}
+
+DigestState*
+hmac_sha1(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s)
+{
+	return hmac_x(p, len, key, klen, digest, s, sha1, SHA1dlen);
+}
+
+DigestState*
+hmac_md5(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s)
+{
+	return hmac_x(p, len, key, klen, digest, s, md5, MD5dlen);
+}
diff --git a/libsec/port/hmactest.c b/libsec/port/hmactest.c
new file mode 100644
index 00000000..8c7d896d
--- /dev/null
+++ b/libsec/port/hmactest.c
@@ -0,0 +1,19 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+uchar key[] = "Jefe";
+uchar data[] = "what do ya want for nothing?";
+
+void
+main(void)
+{
+	int i;
+	uchar hash[MD5dlen];
+
+	hmac_md5(data, strlen((char*)data), key, 4, hash, nil);
+	for(i=0; i<MD5dlen; i++)
+		print("%2.2x", hash[i]);
+	print("\n");
+	print("750c783e6ab0b503eaa86e310a5db738\n");
+}
diff --git a/libsec/port/idea.c b/libsec/port/idea.c
new file mode 100644
index 00000000..47b60ae3
--- /dev/null
+++ b/libsec/port/idea.c
@@ -0,0 +1,168 @@
+#include "os.h"
+#include "mp.h"
+#include "libsec.h"
+
+#define KEYLEN	52
+
+#define	MODA	0x10000
+#define	MODM	0x10001
+#define	MASKA	(MODA-1)
+
+#define 	OP1(x, y)		((x) ^ (y))
+#define	OP2(x, y)		(((x) + (y)) & MASKA)
+#define 	OP3(x, y)		mod(x, y)
+
+#define	OP2INV(x)	(-(x))
+#define	OP3INV(x)	inv(x)
+
+#define BIGEND(k, i)	((k[i]<<8)|k[i+1])
+#define MSB(x)		((x)>>8)
+#define LSB(x)		((x)&0xff)
+
+static ushort
+mod(ushort x, ushort y)
+{
+	ushort q, r;
+	uint z;
+
+	if (x == 0)
+		return 1-y;
+	if (y == 0)
+		return 1-x;
+	z = (uint)x*(uint)y;
+	q = z >> 16;
+	r = z & MASKA;
+	return r-q+(r<q);
+}
+
+static ushort 
+inv(ushort x)
+{
+	int q, r0, r1, r2, v0, v1, v2;
+
+	if (x <= 1)
+		return x;
+	r0 = MODM;
+	r1 = x;
+	v0 = 0;
+	v1 = 1;
+	while (r1 != 0) {
+		q = r0/r1;
+		r2 = r0-q*r1;
+		v2 = v0-q*v1;
+		r0 = r1;
+		r1 = r2;
+		v0 = v1;
+		v1 = v2;
+	}
+	if (v0 < 0)
+		v0 += MODM;
+	return v0 & MASKA;
+}
+
+static void
+idea_key_setup_decrypt(ushort ek[KEYLEN], ushort dk[KEYLEN])
+{
+	int i;
+
+	for (i = 0; i < 54; i += 6) {
+		dk[i] = OP3INV(ek[48-i]);
+		dk[i+1] = OP2INV(ek[50-i]);
+		dk[i+2] = OP2INV(ek[49-i]);
+		dk[i+3] = OP3INV(ek[51-i]);
+		if (i < 48) {
+			dk[i+4] = ek[46-i];
+			dk[i+5] = ek[47-i];
+		}
+	}
+}
+
+void
+idea_key_setup(uchar key[16], ushort ek[2*KEYLEN])
+{
+	int i, j;
+	ushort tmp, *e = ek;
+
+	for (i = 0; i < 8; i++)
+		ek[i] = BIGEND(key, 2*i);
+	for (i = 8, j = 1; i < KEYLEN; i++, j++) {
+		ek[i] = (e[j&7]<<9)|(e[(j+1)&7]>>7);
+		if (((i+1) & 7) == 0)
+			e += 8;
+	}
+	tmp = ek[49];
+	ek[49] = ek[50];
+	ek[50] = tmp;
+	idea_key_setup_decrypt(ek, &ek[KEYLEN]);
+}
+
+void
+idea_cipher(ushort key[2*KEYLEN], uchar text[8], int decrypting)
+{
+	int i;
+	ushort *k;
+	ushort x[4];
+	ushort tmp, yout, zout;
+
+	k = decrypting ? &key[KEYLEN] : key;
+	for (i = 0; i < 4; i++)
+		x[i] = BIGEND(text, 2*i);
+	for (i = 0; i < 17; i++) {
+		if (!(i&1)) {		/* odd round */
+			x[0] = OP3(x[0], k[3*i]);
+			tmp = OP2(x[2], k[3*i+2]);
+			x[2] = OP2(x[1], k[3*i+1]);
+			x[3] = OP3(x[3], k[3*i+3]);
+			x[1] = tmp;
+		}
+		else {
+			tmp = OP3(k[3*i+1], OP1(x[0], x[1]));
+			yout = OP3(OP2(tmp, OP1(x[2], x[3])), k[3*i+2]);
+			zout = OP2(tmp, yout);
+			x[0] = OP1(x[0], yout);
+			x[1] = OP1(x[1], yout);
+			x[2] = OP1(x[2], zout);
+			x[3] = OP1(x[3], zout);
+		}
+	}
+	for (i = 0; i < 4; i++) {
+		text[2*i] = MSB(x[i]); 
+		text[2*i+1] = LSB(x[i]);
+	}
+}
+
+void
+setupIDEAstate(IDEAstate *s, uchar key[16], uchar *ivec)
+{
+	memset(s, 0, sizeof(*s));
+	memmove(s->key, key, sizeof(s->key));
+	idea_key_setup(key, s->edkey);
+	if(ivec)
+		memmove(s->ivec, ivec, 8);
+}
+
+/*
+void
+main()
+{
+	uchar key[] = { 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04,
+			        0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08 };
+	uchar plain[] = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03 };
+	uchar cipher[] = { 0x11, 0xFB, 0xED, 0x2B, 0x01, 0x98, 0x6D, 0xE5 };
+	ushort edkey[2*KEYLEN];
+	uchar tmp[8];
+
+	memcpy(tmp, plain, 8);
+	idea_key_setup(key, edkey);
+	idea_cipher(edkey, tmp, 0);
+	if (memcmp(tmp, cipher, 8)) {
+		print("encrypt wrong\n");
+		exits("");
+	}
+	idea_cipher(edkey, tmp, 1);
+	if (memcmp(tmp, plain, 8)) {
+		print("decrypt wrong\n");
+		exits("");
+	}
+}
+*/	
diff --git a/libsec/port/md4.c b/libsec/port/md4.c
new file mode 100644
index 00000000..c4a2f32d
--- /dev/null
+++ b/libsec/port/md4.c
@@ -0,0 +1,271 @@
+#include "os.h"
+#include <libsec.h>
+
+/*
+ *  This MD4 is implemented from the description in Stinson's Cryptography,
+ *  theory and practice. -- presotto
+ */
+
+/*
+ *	Rotate ammounts used in the algorithm
+ */
+enum
+{
+	S11=	3,
+	S12=	7,
+	S13=	11,
+	S14=	19,
+
+	S21=	3,
+	S22=	5,
+	S23=	9,
+	S24=	13,
+
+	S31=	3,
+	S32=	9,
+	S33=	11,
+	S34=	15,
+};
+
+typedef struct MD4Table MD4Table;
+struct MD4Table
+{
+	uchar	x;	/* index into data block */
+	uchar	rot;	/* amount to rotate left by */
+};
+
+static MD4Table tab[] =
+{
+	/* round 1 */
+/*[0]*/	{ 0,	S11},	
+	{ 1,	S12},	
+	{ 2,	S13},	
+	{ 3,	S14},	
+	{ 4,	S11},	
+	{ 5,	S12},	
+	{ 6,	S13},	
+	{ 7,	S14},	
+	{ 8,	S11},	
+	{ 9,	S12},	
+	{ 10,	S13},	
+	{ 11,	S14},	
+	{ 12,	S11},	
+	{ 13,	S12},	
+	{ 14,	S13},	
+	{ 15,	S14},
+
+	/* round 2 */
+/*[16]*/{ 0,	S21},	
+	{ 4,	S22},	
+	{ 8,	S23},	
+	{ 12,	S24},	
+	{ 1,	S21},	
+	{ 5,	S22},	
+	{ 9,	S23},	
+	{ 13,	S24},	
+	{ 2,	S21},	
+	{ 6,	S22},	
+	{ 10,	S23},	
+	{ 14,	S24},	
+	{ 3,	S21},	
+	{ 7,	S22},	
+	{ 11,	S23},	
+	{ 15,	S24},
+
+	/* round 3 */
+/*[32]*/{ 0,	S31},	
+	{ 8,	S32},	
+	{ 4,	S33},	
+	{ 12,	S34},	
+	{ 2,	S31},	
+	{ 10,	S32},	
+	{ 6,	S33},	
+	{ 14,	S34},	
+	{ 1,	S31},	
+	{ 9,	S32},	
+	{ 5,	S33},	
+	{ 13,	S34},	
+	{ 3,	S31},	
+	{ 11,	S32},	
+	{ 7,	S33},	
+	{ 15,	S34},	
+};
+
+static void encode(uchar*, u32int*, ulong);
+static void decode(u32int*, uchar*, ulong);
+
+static void
+md4block(uchar *p, ulong len, MD4state *s)
+{
+	int i;
+	u32int a, b, c, d, tmp;
+	MD4Table *t;
+	uchar *end;
+	u32int x[16];
+
+	for(end = p+len; p < end; p += 64){
+		a = s->state[0];
+		b = s->state[1];
+		c = s->state[2];
+		d = s->state[3];
+
+		decode(x, p, 64);
+	
+		for(i = 0; i < 48; i++){
+			t = tab + i;
+			switch(i>>4){
+			case 0:
+				a += (b & c) | (~b & d);
+				break;
+			case 1:
+				a += ((b & c) | (b & d) | (c & d)) + 0x5A827999;
+				break;
+			case 2:
+				a += (b ^ c ^ d) + 0x6ED9EBA1;
+				break;
+			}
+			a += x[t->x];
+			a = (a << t->rot) | (a >> (32 - t->rot));
+	
+			/* rotate variables */
+			tmp = d;
+			d = c;
+			c = b;
+			b = a;
+			a = tmp;
+		}
+
+		s->state[0] += a;
+		s->state[1] += b;
+		s->state[2] += c;
+		s->state[3] += d;
+
+		s->len += 64;
+	}
+}
+
+MD4state*
+md4(uchar *p, ulong len, uchar *digest, MD4state *s)
+{
+	u32int x[16];
+	uchar buf[128];
+	int i;
+	uchar *e;
+
+	if(s == nil){
+		s = malloc(sizeof(*s));
+		if(s == nil)
+			return nil;
+		memset(s, 0, sizeof(*s));
+		s->malloced = 1;
+	}
+
+	if(s->seeded == 0){
+		/* seed the state, these constants would look nicer big-endian */
+		s->state[0] = 0x67452301;
+		s->state[1] = 0xefcdab89;
+		s->state[2] = 0x98badcfe;
+		s->state[3] = 0x10325476;
+		s->seeded = 1;
+	}
+
+	/* fill out the partial 64 byte block from previous calls */
+	if(s->blen){
+		i = 64 - s->blen;
+		if(len < i)
+			i = len;
+		memmove(s->buf + s->blen, p, i);
+		len -= i;
+		s->blen += i;
+		p += i;
+		if(s->blen == 64){
+			md4block(s->buf, s->blen, s);
+			s->blen = 0;
+		}
+	}
+
+	/* do 64 byte blocks */
+	i = len & ~0x3f;
+	if(i){
+		md4block(p, i, s);
+		len -= i;
+		p += i;
+	}
+
+	/* save the left overs if not last call */
+	if(digest == 0){
+		if(len){
+			memmove(s->buf, p, len);
+			s->blen += len;
+		}
+		return s;
+	}
+
+	/*
+	 *  this is the last time through, pad what's left with 0x80,
+	 *  0's, and the input count to create a multiple of 64 bytes
+	 */
+	if(s->blen){
+		p = s->buf;
+		len = s->blen;
+	} else {
+		memmove(buf, p, len);
+		p = buf;
+	}
+	s->len += len;
+	e = p + len;
+	if(len < 56)
+		i = 56 - len;
+	else
+		i = 120 - len;
+	memset(e, 0, i);
+	*e = 0x80;
+	len += i;
+
+	/* append the count */
+	x[0] = s->len<<3;
+	x[1] = s->len>>29;
+	encode(p+len, x, 8);
+
+	/* digest the last part */
+	md4block(p, len+8, s);
+
+	/* return result and free state */
+	encode(digest, s->state, MD4dlen);
+	if(s->malloced == 1)
+		free(s);
+	return nil;
+}
+
+/*
+ *	encodes input (u32int) into output (uchar). Assumes len is
+ *	a multiple of 4.
+ */
+static void
+encode(uchar *output, u32int *input, ulong len)
+{
+	u32int x;
+	uchar *e;
+
+	for(e = output + len; output < e;) {
+		x = *input++;
+		*output++ = x;
+		*output++ = x >> 8;
+		*output++ = x >> 16;
+		*output++ = x >> 24;
+	}
+}
+
+/*
+ *	decodes input (uchar) into output (u32int). Assumes len is
+ *	a multiple of 4.
+ */
+static void
+decode(u32int *output, uchar *input, ulong len)
+{
+	uchar *e;
+
+	for(e = input+len; input < e; input += 4)
+		*output++ = input[0] | (input[1] << 8) |
+			(input[2] << 16) | (input[3] << 24);
+}
diff --git a/libsec/port/md4test.c b/libsec/port/md4test.c
new file mode 100644
index 00000000..417cb333
--- /dev/null
+++ b/libsec/port/md4test.c
@@ -0,0 +1,31 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+char *tests[] = {
+	"",
+	"a",
+	"abc",
+	"message digest",
+	"abcdefghijklmnopqrstuvwxyz",
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
+	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
+	0
+};
+
+void
+main(void)
+{
+	char **pp;
+	uchar *p;
+	int i;
+	uchar digest[MD5dlen];
+
+	for(pp = tests; *pp; pp++){
+		p = (uchar*)*pp;
+		md4(p, strlen(*pp), digest, 0);
+		for(i = 0; i < MD5dlen; i++)
+			print("%2.2ux", digest[i]);
+		print("\n");
+	}
+}
diff --git a/libsec/port/md5.c b/libsec/port/md5.c
new file mode 100644
index 00000000..1d579446
--- /dev/null
+++ b/libsec/port/md5.c
@@ -0,0 +1,147 @@
+#include "os.h"
+#include <libsec.h>
+
+/*
+ *  rfc1321 requires that I include this.  The code is new.  The constants
+ *  all come from the rfc (hence the copyright).  We trade a table for the
+ *  macros in rfc.  The total size is a lot less. -- presotto
+ *
+ *	Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+ *	rights reserved.
+ *
+ *	License to copy and use this software is granted provided that it
+ *	is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+ *	Algorithm" in all material mentioning or referencing this software
+ *	or this function.
+ *
+ *	License is also granted to make and use derivative works provided
+ *	that such works are identified as "derived from the RSA Data
+ *	Security, Inc. MD5 Message-Digest Algorithm" in all material
+ *	mentioning or referencing the derived work.
+ *
+ *	RSA Data Security, Inc. makes no representations concerning either
+ *	the merchantability of this software or the suitability of this
+ *	software forany particular purpose. It is provided "as is"
+ *	without express or implied warranty of any kind.
+ *	These notices must be retained in any copies of any part of this
+ *	documentation and/or software.
+ */
+
+static void encode(uchar*, u32int*, ulong);
+
+extern void _md5block(uchar*, ulong, u32int*);
+
+MD5state*
+md5(uchar *p, ulong len, uchar *digest, MD5state *s)
+{
+	u32int x[16];
+	uchar buf[128];
+	int i;
+	uchar *e;
+
+	if(s == nil){
+		s = malloc(sizeof(*s));
+		if(s == nil)
+			return nil;
+		memset(s, 0, sizeof(*s));
+		s->malloced = 1;
+	}
+
+	if(s->seeded == 0){
+		/* seed the state, these constants would look nicer big-endian */
+		s->state[0] = 0x67452301;
+		s->state[1] = 0xefcdab89;
+		s->state[2] = 0x98badcfe;
+		s->state[3] = 0x10325476;
+		s->seeded = 1;
+	}
+
+	/* fill out the partial 64 byte block from previous calls */
+	if(s->blen){
+		i = 64 - s->blen;
+		if(len < i)
+			i = len;
+		memmove(s->buf + s->blen, p, i);
+		len -= i;
+		s->blen += i;
+		p += i;
+		if(s->blen == 64){
+			_md5block(s->buf, s->blen, s->state);
+			s->len += s->blen;
+			s->blen = 0;
+		}
+	}
+
+	/* do 64 byte blocks */
+	i = len & ~0x3f;
+	if(i){
+		_md5block(p, i, s->state);
+		s->len += i;
+		len -= i;
+		p += i;
+	}
+
+	/* save the left overs if not last call */
+	if(digest == 0){
+		if(len){
+			memmove(s->buf, p, len);
+			s->blen += len;
+		}
+		return s;
+	}
+
+	/*
+	 *  this is the last time through, pad what's left with 0x80,
+	 *  0's, and the input count to create a multiple of 64 bytes
+	 */
+	if(s->blen){
+		p = s->buf;
+		len = s->blen;
+	} else {
+		memmove(buf, p, len);
+		p = buf;
+	}
+	s->len += len;
+	e = p + len;
+	if(len < 56)
+		i = 56 - len;
+	else
+		i = 120 - len;
+	memset(e, 0, i);
+	*e = 0x80;
+	len += i;
+
+	/* append the count */
+	x[0] = s->len<<3;
+	x[1] = s->len>>29;
+	encode(p+len, x, 8);
+
+	/* digest the last part */
+	_md5block(p, len+8, s->state);
+	s->len += len;
+
+	/* return result and free state */
+	encode(digest, s->state, MD5dlen);
+	if(s->malloced == 1)
+		free(s);
+	return nil;
+}
+
+/*
+ *	encodes input (u32int) into output (uchar). Assumes len is
+ *	a multiple of 4.
+ */
+static void
+encode(uchar *output, u32int *input, ulong len)
+{
+	u32int x;
+	uchar *e;
+
+	for(e = output + len; output < e;) {
+		x = *input++;
+		*output++ = x;
+		*output++ = x >> 8;
+		*output++ = x >> 16;
+		*output++ = x >> 24;
+	}
+}
diff --git a/libsec/port/md5block.c b/libsec/port/md5block.c
new file mode 100644
index 00000000..a481efce
--- /dev/null
+++ b/libsec/port/md5block.c
@@ -0,0 +1,267 @@
+#include "os.h"
+#include <libsec.h>
+
+/*
+ *  rfc1321 requires that I include this.  The code is new.  The constants
+ *  all come from the rfc (hence the copyright).  We trade a table for the
+ *  macros in rfc.  The total size is a lot less. -- presotto
+ *
+ *	Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+ *	rights reserved.
+ *
+ *	License to copy and use this software is granted provided that it
+ *	is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+ *	Algorithm" in all material mentioning or referencing this software
+ *	or this function.
+ *
+ *	License is also granted to make and use derivative works provided
+ *	that such works are identified as "derived from the RSA Data
+ *	Security, Inc. MD5 Message-Digest Algorithm" in all material
+ *	mentioning or referencing the derived work.
+ *
+ *	RSA Data Security, Inc. makes no representations concerning either
+ *	the merchantability of this software or the suitability of this
+ *	software forany particular purpose. It is provided "as is"
+ *	without express or implied warranty of any kind.
+ *	These notices must be retained in any copies of any part of this
+ *	documentation and/or software.
+ */
+
+/*
+ *	Rotate ammounts used in the algorithm
+ */
+enum
+{
+	S11=	7,
+	S12=	12,
+	S13=	17,
+	S14=	22,
+
+	S21=	5,
+	S22=	9,
+	S23=	14,
+	S24=	20,
+
+	S31=	4,
+	S32=	11,
+	S33=	16,
+	S34=	23,
+
+	S41=	6,
+	S42=	10,
+	S43=	15,
+	S44=	21
+};
+
+static u32int md5tab[] =
+{
+	/* round 1 */
+/*[0]*/	0xd76aa478,	
+	0xe8c7b756,	
+	0x242070db,	
+	0xc1bdceee,	
+	0xf57c0faf,	
+	0x4787c62a,	
+	0xa8304613,	
+	0xfd469501,	
+	0x698098d8,	
+	0x8b44f7af,	
+	0xffff5bb1,	
+	0x895cd7be,	
+	0x6b901122,	
+	0xfd987193,	
+	0xa679438e,	
+	0x49b40821,
+
+	/* round 2 */
+/*[16]*/0xf61e2562,	
+	0xc040b340,	
+	0x265e5a51,	
+	0xe9b6c7aa,	
+	0xd62f105d,	
+	 0x2441453,	
+	0xd8a1e681,	
+	0xe7d3fbc8,	
+	0x21e1cde6,	
+	0xc33707d6,	
+	0xf4d50d87,	
+	0x455a14ed,	
+	0xa9e3e905,	
+	0xfcefa3f8,	
+	0x676f02d9,	
+	0x8d2a4c8a,
+
+	/* round 3 */
+/*[32]*/0xfffa3942,	
+	0x8771f681,	
+	0x6d9d6122,	
+	0xfde5380c,	
+	0xa4beea44,	
+	0x4bdecfa9,	
+	0xf6bb4b60,	
+	0xbebfbc70,	
+	0x289b7ec6,	
+	0xeaa127fa,	
+	0xd4ef3085,	
+	 0x4881d05,	
+	0xd9d4d039,	
+	0xe6db99e5,	
+	0x1fa27cf8,	
+	0xc4ac5665,	
+
+	/* round 4 */
+/*[48]*/0xf4292244,	
+	0x432aff97,	
+	0xab9423a7,	
+	0xfc93a039,	
+	0x655b59c3,	
+	0x8f0ccc92,	
+	0xffeff47d,	
+	0x85845dd1,	
+	0x6fa87e4f,	
+	0xfe2ce6e0,	
+	0xa3014314,	
+	0x4e0811a1,	
+	0xf7537e82,	
+	0xbd3af235,	
+	0x2ad7d2bb,	
+	0xeb86d391,	
+};
+
+static void decode(u32int*, uchar*, ulong);
+extern void _md5block(uchar *p, ulong len, u32int *s);
+
+void
+_md5block(uchar *p, ulong len, u32int *s)
+{
+	u32int a, b, c, d, sh;
+	u32int *t;
+	uchar *end;
+	u32int x[16];
+
+	for(end = p+len; p < end; p += 64){
+		a = s[0];
+		b = s[1];
+		c = s[2];
+		d = s[3];
+
+		decode(x, p, 64);
+	
+		t = md5tab;
+		sh = 0;
+		for(; sh != 16; t += 4){
+			a += ((c ^ d) & b) ^ d;
+			a += x[sh] + t[0];
+			a = (a << S11) | (a >> (32 - S11));
+			a += b;
+
+			d += ((b ^ c) & a) ^ c;
+			d += x[sh + 1] + t[1];
+			d = (d << S12) | (d >> (32 - S12));
+			d += a;
+
+			c += ((a ^ b) & d) ^ b;
+			c += x[sh + 2] + t[2];
+			c = (c << S13) | (c >> (32 - S13));
+			c += d;
+
+			b += ((d ^ a) & c) ^ a;
+			b += x[sh + 3] + t[3];
+			b = (b << S14) | (b >> (32 - S14));
+			b += c;
+
+			sh += 4;
+		}
+		sh = 1;
+		for(; sh != 1+20*4; t += 4){
+			a += ((b ^ c) & d) ^ c;
+			a += x[sh & 0xf] + t[0];
+			a = (a << S21) | (a >> (32 - S21));
+			a += b;
+
+			d += ((a ^ b) & c) ^ b;
+			d += x[(sh + 5) & 0xf] + t[1];
+			d = (d << S22) | (d >> (32 - S22));
+			d += a;
+
+			c += ((d ^ a) & b) ^ a;
+			c += x[(sh + 10) & 0xf] + t[2];
+			c = (c << S23) | (c >> (32 - S23));
+			c += d;
+
+			b += ((c ^ d) & a) ^ d;
+			b += x[(sh + 15) & 0xf] + t[3];
+			b = (b << S24) | (b >> (32 - S24));
+			b += c;
+
+			sh += 20;
+		}
+		sh = 5;
+		for(; sh != 5+12*4; t += 4){
+			a += b ^ c ^ d;
+			a += x[sh & 0xf] + t[0];
+			a = (a << S31) | (a >> (32 - S31));
+			a += b;
+
+			d += a ^ b ^ c;
+			d += x[(sh + 3) & 0xf] + t[1];
+			d = (d << S32) | (d >> (32 - S32));
+			d += a;
+
+			c += d ^ a ^ b;
+			c += x[(sh + 6) & 0xf] + t[2];
+			c = (c << S33) | (c >> (32 - S33));
+			c += d;
+
+			b += c ^ d ^ a;
+			b += x[(sh + 9) & 0xf] + t[3];
+			b = (b << S34) | (b >> (32 - S34));
+			b += c;
+
+			sh += 12;
+		}
+		sh = 0;
+		for(; sh != 28*4; t += 4){
+			a += c ^ (b | ~d);
+			a += x[sh & 0xf] + t[0];
+			a = (a << S41) | (a >> (32 - S41));
+			a += b;
+
+			d += b ^ (a | ~c);
+			d += x[(sh + 7) & 0xf] + t[1];
+			d = (d << S42) | (d >> (32 - S42));
+			d += a;
+
+			c += a ^ (d | ~b);
+			c += x[(sh + 14) & 0xf] + t[2];
+			c = (c << S43) | (c >> (32 - S43));
+			c += d;
+
+			b += d ^ (c | ~a);
+			b += x[(sh + 21) & 0xf] + t[3];
+			b = (b << S44) | (b >> (32 - S44));
+			b += c;
+
+			sh += 28;
+		}
+
+		s[0] += a;
+		s[1] += b;
+		s[2] += c;
+		s[3] += d;
+	}
+}
+
+/*
+ *	decodes input (uchar) into output (u32int). Assumes len is
+ *	a multiple of 4.
+ */
+static void
+decode(u32int *output, uchar *input, ulong len)
+{
+	uchar *e;
+
+	for(e = input+len; input < e; input += 4)
+		*output++ = input[0] | (input[1] << 8) |
+			(input[2] << 16) | (input[3] << 24);
+}
diff --git a/libsec/port/md5pickle.c b/libsec/port/md5pickle.c
new file mode 100644
index 00000000..a3adb51f
--- /dev/null
+++ b/libsec/port/md5pickle.c
@@ -0,0 +1,39 @@
+#include "os.h"
+#include <libsec.h>
+
+char*
+md5pickle(MD5state *s)
+{
+	char *p;
+	int m, n;
+
+	m = 17+4*9+4*((s->blen+3)/3 + 1);
+	p = malloc(m);
+	if(p == nil)
+		return p;
+	n = sprint(p, "%16.16llux %8.8ux %8.8ux %8.8ux %8.8ux ",
+		s->len,
+		s->state[0], s->state[1], s->state[2],
+		s->state[3]);
+	enc64(p+n, m-n, s->buf, s->blen);
+	return p;
+}
+
+MD5state*
+md5unpickle(char *p)
+{
+	MD5state *s;
+
+	s = malloc(sizeof(*s));
+	if(s == nil)
+		return nil;
+	s->len = strtoull(p, &p, 16);
+	s->state[0] = strtoul(p, &p, 16);
+	s->state[1] = strtoul(p, &p, 16);
+	s->state[2] = strtoul(p, &p, 16);
+	s->state[3] = strtoul(p, &p, 16);
+	s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
+	s->malloced = 1;
+	s->seeded = 1;
+	return s;
+}
diff --git a/libsec/port/mkfile b/libsec/port/mkfile
new file mode 100644
index 00000000..7837216f
--- /dev/null
+++ b/libsec/port/mkfile
@@ -0,0 +1,32 @@
+<../../mkconfig
+
+LIB=libsec.a
+
+CFILES = des.c desmodes.c desECB.c desCBC.c des3ECB.c des3CBC.c\
+	aes.c blowfish.c \
+	idea.c \
+	hmac.c md5.c md5block.c md4.c sha1.c sha1block.c\
+	sha1pickle.c md5pickle.c\
+	rc4.c\
+	genrandom.c prng.c fastrand.c nfastrand.c\
+	probably_prime.c smallprimetest.c genprime.c dsaprimes.c gensafeprime.c genstrongprime.c\
+	rsagen.c rsafill.c rsaencrypt.c rsadecrypt.c rsaalloc.c rsaprivtopub.c \
+	eggen.c egencrypt.c egdecrypt.c egalloc.c egprivtopub.c egsign.c egverify.c \
+	dsagen.c dsaalloc.c dsaprivtopub.c dsasign.c dsaverify.c \
+
+ALLOFILES=${CFILES:%.c=%.$O}
+
+# cull things in the per-machine directories from this list
+OFILES=	`{$SHELLNAME ./reduce-$SHELLTYPE $O $TARGMODEL-$OBJTYPE $ALLOFILES }
+
+HFILES=\
+	$ROOT/include/libsec.h\
+	$ROOT/libmp/port/os.h\
+
+CFLAGS=$CFLAGS -I../../libmp/port
+
+UPDATE=mkfile\
+	$HFILES\
+	$CFILES\
+
+<$ROOT/mkfiles/mksyslib-$SHELLTYPE
diff --git a/libsec/port/nfastrand.c b/libsec/port/nfastrand.c
new file mode 100644
index 00000000..7394a132
--- /dev/null
+++ b/libsec/port/nfastrand.c
@@ -0,0 +1,22 @@
+#include "os.h"
+#include <libsec.h>
+
+#define Maxrand	((1UL<<31)-1)
+
+ulong
+nfastrand(ulong n)
+{
+	ulong m, r;
+	
+	/*
+	 * set m to the maximum multiple of n <= 2^31-1
+	 * so we want a random number < m.
+	 */
+	if(n > Maxrand)
+		sysfatal("nfastrand: n too large");
+
+	m = Maxrand - Maxrand % n;
+	while((r = fastrand()) >= m)
+		;
+	return r%n;
+}
diff --git a/libsec/port/primetest.c b/libsec/port/primetest.c
new file mode 100644
index 00000000..2d082e64
--- /dev/null
+++ b/libsec/port/primetest.c
@@ -0,0 +1,41 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+void
+main(void)
+{
+	mpint *z = mpnew(0);
+	mpint *p = mpnew(0);
+	mpint *q = mpnew(0);
+	mpint *nine = mpnew(0);
+
+	fmtinstall('B', mpconv);
+	strtomp("2492491", nil, 16, z);	// 38347921 = x*y = (2**28-9)/7, 
+				//    an example of 3**(n-1)=1 mod n
+	strtomp("15662C00E811", nil, 16, p);// 23528569104401, a prime
+	uitomp(9, nine);
+
+	if(probably_prime(z, 5) == 1)
+		fprint(2, "tricked primality test\n");
+	if(probably_prime(nine, 5) == 1)
+		fprint(2, "9 passed primality test!\n");
+	if(probably_prime(p, 25) == 1)
+		fprint(2, "ok\n");
+
+	DSAprimes(q, p, nil);
+	print("q=%B\np=%B\n", q, p);
+
+	exits(0);
+}
+
+// example output, checked with Maple:
+// seed EB7B6E35F7CD37B511D96C67D6688CC4DD440E1E
+// q=E0F0EF284E10796C5A2A511E94748BA03C795C13
+//  = 1284186945063585093695748280224501481698995297299
+// p=C41CFBE4D4846F67A3DF7DE9921A49D3B42DC33728427AB159CEC8CBBDB12B5F0C244F1A734AEB9840804EA3C25036AD1B61AFF3ABBC247CD4B384224567A863A6F020E7EE9795554BCD08ABAD7321AF27E1E92E3DB1C6E7E94FAAE590AE9C48F96D93D178E809401ABE8A534A1EC44359733475A36A70C7B425125062B1142D
+//  = 137715385439333164327584575331308277462546592976152006175830654712456008630139443747529133857837818585400418619916530061955288983751958831927807888408309879880101870216437711393638413509484569804814373511469405934988856674935304074081350525593807908358867354528898618574659752879015380013845760006721861915693
+// r=DF310F4E54A5FEC5D86D3E14863921E834113E060F90052AD332B3241CEF2497EFA0303D6344F7C819691A0F9C4A773815AF8EAECFB7EC1D98F039F17A32A7E887D97251A927D093F44A55577F4D70444AEBD06B9B45695EC23962B175F266895C67D21C4656848614D888A4
+//  = 107239359478548771267308764204625458348785444483302647285245969203446101233421655396874997253111222983406676955642093641709149748793954493558324738441197139556917622937892491175016280660608595599724194374948056515856812347094848443460715881455884639869144172708
+// g=2F1C308DC46B9A44B52DF7DACCE1208CCEF72F69C743ADD4D2327173444ED6E65E074694246E07F9FD4AE26E0FDDD9F54F813C40CB9BCD4338EA6F242AB94CD410E676C290368A16B1A3594877437E516C53A6EEE5493A038A017E955E218E7819734E3E2A6E0BAE08B14258F8C03CC1B30E0DDADFCF7CEDF0727684D3D255F1
+//  = 33081848392740465806285326014906437543653045153885419334085917570615301913274531387168723847139029827598735376746057461417880810924280288611116213062512408829164220104555543445909528701551198146080221790002337033997295756585193926863581671466708482411159477816144226847280417522524922667065714073338662508017
diff --git a/libsec/port/prng.c b/libsec/port/prng.c
new file mode 100644
index 00000000..fc2e508a
--- /dev/null
+++ b/libsec/port/prng.c
@@ -0,0 +1,15 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+//
+//  just use the libc prng to fill a buffer
+//
+void
+prng(uchar *p, int n)
+{
+	uchar *e;
+
+	for(e = p+n; p < e; p++)
+		*p = rand();
+}
diff --git a/libsec/port/probably_prime.c b/libsec/port/probably_prime.c
new file mode 100644
index 00000000..4eaccbad
--- /dev/null
+++ b/libsec/port/probably_prime.c
@@ -0,0 +1,84 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// Miller-Rabin probabilistic primality testing
+//	Knuth (1981) Seminumerical Algorithms, p.379
+//	Menezes et al () Handbook, p.39
+// 0 if composite; 1 if almost surely prime, Pr(err)<1/4**nrep
+int
+probably_prime(mpint *n, int nrep)
+{
+	int j, k, rep, nbits, isprime = 1;
+	mpint *nm1, *q, *x, *y, *r;
+
+	if(n->sign < 0)
+		sysfatal("negative prime candidate");
+
+	if(nrep <= 0)
+		nrep = 18;
+
+	k = mptoi(n);
+	if(k == 2)		// 2 is prime
+		return 1;
+	if(k < 2)		// 1 is not prime
+		return 0;
+	if((n->p[0] & 1) == 0)	// even is not prime
+		return 0;
+
+	// test against small prime numbers
+	if(smallprimetest(n) < 0)
+		return 0;
+
+	// fermat test, 2^n mod n == 2 if p is prime
+	x = uitomp(2, nil);
+	y = mpnew(0);
+	mpexp(x, n, n, y);
+	k = mptoi(y);
+	if(k != 2){
+		mpfree(x);
+		mpfree(y);
+		return 0;
+	}
+
+	nbits = mpsignif(n);
+	nm1 = mpnew(nbits);
+	mpsub(n, mpone, nm1);	// nm1 = n - 1 */
+	k = mplowbits0(nm1);
+	q = mpnew(0);
+	mpright(nm1, k, q);	// q = (n-1)/2**k
+
+	for(rep = 0; rep < nrep; rep++){
+		
+		// x = random in [2, n-2]
+		r = mprand(nbits, prng, nil);
+		mpmod(r, nm1, x);
+		mpfree(r);
+		if(mpcmp(x, mpone) <= 0)
+			continue;
+
+		// y = x**q mod n
+		mpexp(x, q, n, y);
+
+		if(mpcmp(y, mpone) == 0 || mpcmp(y, nm1) == 0)
+			goto done;
+
+		for(j = 1; j < k; j++){
+			mpmul(y, y, x);
+			mpmod(x, n, y);	// y = y*y mod n
+			if(mpcmp(y, nm1) == 0)
+				goto done;
+			if(mpcmp(y, mpone) == 0){
+				isprime = 0;
+				goto done;
+			}
+		}
+		isprime = 0;
+	}
+done:
+	mpfree(y);
+	mpfree(x);
+	mpfree(q);
+	mpfree(nm1);
+	return isprime;
+}
diff --git a/libsec/port/rc4.c b/libsec/port/rc4.c
new file mode 100644
index 00000000..beafa486
--- /dev/null
+++ b/libsec/port/rc4.c
@@ -0,0 +1,104 @@
+#include "os.h"
+#include <libsec.h>
+
+void
+setupRC4state(RC4state *key, uchar *start, int n)
+{
+	int t;
+	int index2;
+	uchar *state;
+	uchar *p, *e, *sp, *se;
+
+	state = key->state;
+	se = &state[256];
+	for(sp = state; sp < se; sp++)
+		*sp = sp - state;
+
+	key->x = 0;
+	key->y = 0;
+	index2 = 0;
+	e = start + n;
+	p = start;
+	for(sp = state; sp < se; sp++)
+	{
+		t = *sp;
+		index2 = (*p + t + index2) & 255;
+		*sp = state[index2];
+		state[index2] = t;
+		if(++p >= e)
+			p = start;
+	}
+}
+
+void
+rc4(RC4state *key, uchar *p, int len)
+{
+	int tx, ty;
+	int x, y;
+	uchar *state;
+	uchar *e;
+
+	x = key->x;
+	y = key->y;
+	state = &key->state[0];
+	for(e = p + len; p < e; p++)
+	{
+		x = (x+1)&255;
+		tx = state[x];
+		y = (y+tx)&255;
+		ty = state[y];
+		state[x] = ty;
+		state[y] = tx;
+		*p ^= state[(tx+ty)&255];
+	}
+	key->x = x;
+	key->y = y;
+}
+
+void
+rc4skip(RC4state *key, int len)
+{
+	int tx, ty;
+	int x, y;
+	uchar *state;
+	int i;
+
+	x = key->x;
+	y = key->y;
+	state = &key->state[0];
+	for(i=0; i<len; i++)
+	{
+		x = (x+1)&255;
+		tx = state[x];
+		y = (y+tx)&255;
+		ty = state[y];
+		state[x] = ty;
+		state[y] = tx;
+	}
+	key->x = x;
+	key->y = y;
+}
+
+void
+rc4back(RC4state *key, int len)
+{
+	int tx, ty;
+	int x, y;
+	uchar *state;
+	int i;
+
+	x = key->x;
+	y = key->y;
+	state = &key->state[0];
+	for(i=0; i<len; i++)
+	{
+		ty = state[x];
+		tx = state[y];
+		state[y] = ty;
+		state[x] = tx;
+		y = (y-tx)&255;
+		x = (x-1)&255;
+	}
+	key->x = x;
+	key->y = y;
+}
diff --git a/libsec/port/reduce-nt b/libsec/port/reduce-nt
new file mode 100644
index 00000000..2534b62e
--- /dev/null
+++ b/libsec/port/reduce-nt
@@ -0,0 +1,4 @@
+# for now, just return the input files
+shift	# $O
+shift	# $SYSTARG-$OBJTYPE
+echo -n $*
diff --git a/libsec/port/reduce-rc b/libsec/port/reduce-rc
new file mode 100644
index 00000000..fc05b647
--- /dev/null
+++ b/libsec/port/reduce-rc
@@ -0,0 +1,16 @@
+O=$1
+shift
+nonport=$1
+shift
+
+ls -p ../$nonport/*.[cs] >[2]/dev/null | sed 's/..$//' > /tmp/reduce.$pid
+#
+#	if empty directory, just return the input files
+#
+if (! ~ $status '|') {
+	echo $*
+	rm /tmp/reduce.$pid
+	exit 0
+}
+echo $* | tr ' ' \012 | grep -v -f /tmp/reduce.$pid | tr \012 ' '
+rm /tmp/reduce.$pid
diff --git a/libsec/port/reduce-sh b/libsec/port/reduce-sh
new file mode 100644
index 00000000..0e1a091f
--- /dev/null
+++ b/libsec/port/reduce-sh
@@ -0,0 +1,13 @@
+O=$1
+shift
+nonport=$1
+shift
+
+for i in $*
+do
+	j=`echo $i | sed 's/\.'$O'//'`
+	if test ! -f ../$nonport/$j.c -a ! -f ../$nonport/$j.s -a ! -f ../$nonport/$j.spp
+	then
+		echo $i
+	fi
+done
diff --git a/libsec/port/rsaalloc.c b/libsec/port/rsaalloc.c
new file mode 100644
index 00000000..0caa96d5
--- /dev/null
+++ b/libsec/port/rsaalloc.c
@@ -0,0 +1,52 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+RSApub*
+rsapuballoc(void)
+{
+	RSApub *rsa;
+
+	rsa = mallocz(sizeof(*rsa), 1);
+	if(rsa == nil)
+		sysfatal("rsapuballoc");
+	return rsa;
+}
+
+void
+rsapubfree(RSApub *rsa)
+{
+	if(rsa == nil)
+		return;
+	mpfree(rsa->ek);
+	mpfree(rsa->n);
+	free(rsa);
+}
+
+
+RSApriv*
+rsaprivalloc(void)
+{
+	RSApriv *rsa;
+
+	rsa = mallocz(sizeof(*rsa), 1);
+	if(rsa == nil)
+		sysfatal("rsaprivalloc");
+	return rsa;
+}
+
+void
+rsaprivfree(RSApriv *rsa)
+{
+	if(rsa == nil)
+		return;
+	mpfree(rsa->pub.ek);
+	mpfree(rsa->pub.n);
+	mpfree(rsa->dk);
+	mpfree(rsa->p);
+	mpfree(rsa->q);
+	mpfree(rsa->kp);
+	mpfree(rsa->kq);
+	mpfree(rsa->c2);
+	free(rsa);
+}
diff --git a/libsec/port/rsadecrypt.c b/libsec/port/rsadecrypt.c
new file mode 100644
index 00000000..1e937bec
--- /dev/null
+++ b/libsec/port/rsadecrypt.c
@@ -0,0 +1,37 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+// decrypt rsa using garner's algorithm for the chinese remainder theorem
+//	seminumerical algorithms, knuth, pp 253-254
+//	applied cryptography, menezes et al, pg 612
+mpint*
+rsadecrypt(RSApriv *rsa, mpint *in, mpint *out)
+{
+	mpint *v1, *v2;
+
+	if(out == nil)
+		out = mpnew(0);
+
+	// convert in to modular representation
+	v1 = mpnew(0);
+	mpmod(in, rsa->p, v1);
+	v2 = mpnew(0);
+	mpmod(in, rsa->q, v2);
+
+	// exponentiate the modular rep
+	mpexp(v1, rsa->kp, rsa->p, v1);
+	mpexp(v2, rsa->kq, rsa->q, v2);
+	
+	// out = v1 + p*((v2-v1)*c2 mod q)
+	mpsub(v2, v1, v2);
+	mpmul(v2, rsa->c2, v2);
+	mpmod(v2, rsa->q, v2);
+	mpmul(v2, rsa->p, out);
+	mpadd(v1, out, out);
+
+	mpfree(v1);
+	mpfree(v2);
+
+	return out;
+}
diff --git a/libsec/port/rsaencrypt.c b/libsec/port/rsaencrypt.c
new file mode 100644
index 00000000..ade686dc
--- /dev/null
+++ b/libsec/port/rsaencrypt.c
@@ -0,0 +1,12 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+mpint*
+rsaencrypt(RSApub *rsa, mpint *in, mpint *out)
+{
+	if(out == nil)
+		out = mpnew(0);
+	mpexp(in, rsa->ek, rsa->n, out);
+	return out;
+}
diff --git a/libsec/port/rsafill.c b/libsec/port/rsafill.c
new file mode 100644
index 00000000..f514b073
--- /dev/null
+++ b/libsec/port/rsafill.c
@@ -0,0 +1,61 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+RSApriv*
+rsafill(mpint *n, mpint *e, mpint *d, mpint *p, mpint *q)
+{
+	mpint *c2, *kq, *kp, *x;
+	RSApriv *rsa;
+
+	// make sure we're not being hoodwinked
+	if(!probably_prime(p, 10) || !probably_prime(q, 10)){
+		werrstr("rsafill: p or q not prime");
+		return nil;
+	}
+	x = mpnew(0);
+	mpmul(p, q, x);
+	if(mpcmp(n, x) != 0){
+		werrstr("rsafill: n != p*q");
+		mpfree(x);
+		return nil;
+	}
+	c2 = mpnew(0);
+	mpsub(p, mpone, c2);
+	mpsub(q, mpone, x);
+	mpmul(c2, x, x);
+	mpmul(e, d, c2);
+	mpmod(c2, x, x);
+	if(mpcmp(x, mpone) != 0){
+		werrstr("rsafill: e*d != 1 mod (p-1)*(q-1)");
+		mpfree(x);
+		mpfree(c2);
+		return nil;
+	}
+
+	// compute chinese remainder coefficient
+	mpinvert(p, q, c2);
+
+	// for crt a**k mod p == (a**(k mod p-1)) mod p
+	kq = mpnew(0);
+	kp = mpnew(0);
+	mpsub(p, mpone, x);
+	mpmod(d, x, kp);
+	mpsub(q, mpone, x);
+	mpmod(d, x, kq);
+
+	rsa = rsaprivalloc();
+	rsa->pub.ek = mpcopy(e);
+	rsa->pub.n = mpcopy(n);
+	rsa->dk = mpcopy(d);
+	rsa->kp = kp;
+	rsa->kq = kq;
+	rsa->p = mpcopy(p);
+	rsa->q = mpcopy(q);
+	rsa->c2 = c2;
+
+	mpfree(x);
+
+	return rsa;
+}
+
diff --git a/libsec/port/rsagen.c b/libsec/port/rsagen.c
new file mode 100644
index 00000000..ebe1079d
--- /dev/null
+++ b/libsec/port/rsagen.c
@@ -0,0 +1,70 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+RSApriv*
+rsagen(int nlen, int elen, int rounds)
+{
+	mpint *p, *q, *e, *d, *phi, *n, *t1, *t2, *kp, *kq, *c2;
+	RSApriv *rsa;
+
+	p = mpnew(nlen/2);
+	q = mpnew(nlen/2);
+	n = mpnew(nlen);
+	e = mpnew(elen);
+	d = mpnew(0);
+	phi = mpnew(nlen);
+
+	// create the prime factors and euclid's function
+	genprime(p, nlen/2, rounds);
+	genprime(q, nlen - mpsignif(p) + 1, rounds);
+	mpmul(p, q, n);
+	mpsub(p, mpone, e);
+	mpsub(q, mpone, d);
+	mpmul(e, d, phi);
+
+	// find an e relatively prime to phi
+	t1 = mpnew(0);
+	t2 = mpnew(0);
+	mprand(elen, genrandom, e);
+	if(mpcmp(e,mptwo) <= 0)
+		itomp(3, e);
+	// See Menezes et al. p.291 "8.8 Note (selecting primes)" for discussion
+	// of the merits of various choices of primes and exponents.  e=3 is a
+	// common and recommended exponent, but doesn't necessarily work here
+	// because we chose strong rather than safe primes.
+	for(;;){
+		mpextendedgcd(e, phi, t1, d, t2);
+		if(mpcmp(t1, mpone) == 0)
+			break;
+		mpadd(mpone, e, e);
+	}
+	mpfree(t1);
+	mpfree(t2);
+
+	// compute chinese remainder coefficient
+	c2 = mpnew(0);
+	mpinvert(p, q, c2);
+
+	// for crt a**k mod p == (a**(k mod p-1)) mod p
+	kq = mpnew(0);
+	kp = mpnew(0);
+	mpsub(p, mpone, phi);
+	mpmod(d, phi, kp);
+	mpsub(q, mpone, phi);
+	mpmod(d, phi, kq);
+
+	rsa = rsaprivalloc();
+	rsa->pub.ek = e;
+	rsa->pub.n = n;
+	rsa->dk = d;
+	rsa->kp = kp;
+	rsa->kq = kq;
+	rsa->p = p;
+	rsa->q = q;
+	rsa->c2 = c2;
+
+	mpfree(phi);
+
+	return rsa;
+}
diff --git a/libsec/port/rsaprivtopub.c b/libsec/port/rsaprivtopub.c
new file mode 100644
index 00000000..d464c87f
--- /dev/null
+++ b/libsec/port/rsaprivtopub.c
@@ -0,0 +1,16 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+RSApub*
+rsaprivtopub(RSApriv *priv)
+{
+	RSApub *pub;
+
+	pub = rsapuballoc();
+	if(pub == nil)
+		return nil;
+	pub->n = mpcopy(priv->pub.n);
+	pub->ek = mpcopy(priv->pub.ek);
+	return pub;
+}
diff --git a/libsec/port/rsatest.c b/libsec/port/rsatest.c
new file mode 100644
index 00000000..ee10dcd3
--- /dev/null
+++ b/libsec/port/rsatest.c
@@ -0,0 +1,57 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+#include <bio.h>
+
+void
+main(void)
+{
+	RSApriv *rsa;
+	Biobuf b;
+	char *p;
+	int n;
+	mpint *clr, *enc, *clr2;
+	uchar buf[4096];
+	uchar *e;
+	vlong start;
+
+	fmtinstall('B', mpfmt);
+
+	rsa = rsagen(1024, 16, 0);
+	if(rsa == nil)
+		sysfatal("rsagen");
+	Binit(&b, 0, OREAD);
+	clr = mpnew(0);
+	clr2 = mpnew(0);
+	enc = mpnew(0);
+
+	strtomp("123456789abcdef123456789abcdef123456789abcdef123456789abcdef", nil, 16, clr);
+	rsaencrypt(&rsa->pub, clr, enc);
+	
+	start = nsec();
+	for(n = 0; n < 10; n++)
+		rsadecrypt(rsa, enc, clr);
+	print("%lld\n", nsec()-start);
+
+	start = nsec();
+	for(n = 0; n < 10; n++)
+		mpexp(enc, rsa->dk, rsa->pub.n, clr2);
+	print("%lld\n", nsec()-start);
+
+	if(mpcmp(clr, clr2) != 0)
+		print("%B != %B\n", clr, clr2);
+	
+	print("> ");
+	while(p = Brdline(&b, '\n')){
+		n = Blinelen(&b);
+		letomp((uchar*)p, n, clr);
+		print("clr %B\n", clr);
+		rsaencrypt(&rsa->pub, clr, enc);
+		print("enc %B\n", enc);
+		rsadecrypt(rsa, enc, clr);
+		print("clr %B\n", clr);
+		n = mptole(clr, buf, sizeof(buf), nil);
+		write(1, buf, n);
+		print("> ");
+	}
+}
diff --git a/libsec/port/sha1.c b/libsec/port/sha1.c
new file mode 100644
index 00000000..946f0283
--- /dev/null
+++ b/libsec/port/sha1.c
@@ -0,0 +1,127 @@
+#include "os.h"
+#include <libsec.h>
+
+static void encode(uchar*, u32int*, ulong);
+
+extern void _sha1block(uchar*, ulong, u32int*);
+
+/*
+ *  we require len to be a multiple of 64 for all but
+ *  the last call.  There must be room in the input buffer
+ *  to pad.
+ */
+SHA1state*
+sha1(uchar *p, ulong len, uchar *digest, SHA1state *s)
+{
+	uchar buf[128];
+	u32int x[16];
+	int i;
+	uchar *e;
+
+	if(s == nil){
+		s = malloc(sizeof(*s));
+		if(s == nil)
+			return nil;
+		memset(s, 0, sizeof(*s));
+		s->malloced = 1;
+	}
+
+	if(s->seeded == 0){
+		/* seed the state, these constants would look nicer big-endian */
+		s->state[0] = 0x67452301;
+		s->state[1] = 0xefcdab89;
+		s->state[2] = 0x98badcfe;
+		s->state[3] = 0x10325476;
+		s->state[4] = 0xc3d2e1f0;
+		s->seeded = 1;
+	}
+
+	/* fill out the partial 64 byte block from previous calls */
+	if(s->blen){
+		i = 64 - s->blen;
+		if(len < i)
+			i = len;
+		memmove(s->buf + s->blen, p, i);
+		len -= i;
+		s->blen += i;
+		p += i;
+		if(s->blen == 64){
+			_sha1block(s->buf, s->blen, s->state);
+			s->len += s->blen;
+			s->blen = 0;
+		}
+	}
+
+	/* do 64 byte blocks */
+	i = len & ~0x3f;
+	if(i){
+		_sha1block(p, i, s->state);
+		s->len += i;
+		len -= i;
+		p += i;
+	}
+
+	/* save the left overs if not last call */
+	if(digest == 0){
+		if(len){
+			memmove(s->buf, p, len);
+			s->blen += len;
+		}
+		return s;
+	}
+
+	/*
+	 *  this is the last time through, pad what's left with 0x80,
+	 *  0's, and the input count to create a multiple of 64 bytes
+	 */
+	if(s->blen){
+		p = s->buf;
+		len = s->blen;
+	} else {
+		memmove(buf, p, len);
+		p = buf;
+	}
+	s->len += len;
+	e = p + len;
+	if(len < 56)
+		i = 56 - len;
+	else
+		i = 120 - len;
+	memset(e, 0, i);
+	*e = 0x80;
+	len += i;
+
+	/* append the count */
+	x[0] = s->len>>29;
+	x[1] = s->len<<3;
+	encode(p+len, x, 8);
+
+	/* digest the last part */
+	_sha1block(p, len+8, s->state);
+	s->len += len+8;
+
+	/* return result and free state */
+	encode(digest, s->state, SHA1dlen);
+	if(s->malloced == 1)
+		free(s);
+	return nil;
+}
+
+/*
+ *	encodes input (ulong) into output (uchar). Assumes len is
+ *	a multiple of 4.
+ */
+static void
+encode(uchar *output, u32int *input, ulong len)
+{
+	u32int x;
+	uchar *e;
+
+	for(e = output + len; output < e;) {
+		x = *input++;
+		*output++ = x >> 24;
+		*output++ = x >> 16;
+		*output++ = x >> 8;
+		*output++ = x;
+	}
+}
diff --git a/libsec/port/sha1block.c b/libsec/port/sha1block.c
new file mode 100644
index 00000000..82566f21
--- /dev/null
+++ b/libsec/port/sha1block.c
@@ -0,0 +1,187 @@
+#include "os.h"
+
+void
+_sha1block(uchar *p, ulong len, u32int *s)
+{
+	u32int a, b, c, d, e, x;
+	uchar *end;
+	u32int *wp, *wend;
+	u32int w[80];
+
+	/* at this point, we have a multiple of 64 bytes */
+	for(end = p+len; p < end;){
+		a = s[0];
+		b = s[1];
+		c = s[2];
+		d = s[3];
+		e = s[4];
+
+		wend = w + 15;
+		for(wp = w; wp < wend; wp += 5){
+			wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
+			e += ((a<<5) | (a>>27)) + wp[0];
+			e += 0x5a827999 + (((c^d)&b)^d);
+			b = (b<<30)|(b>>2);
+
+			wp[1] = (p[4]<<24) | (p[5]<<16) | (p[6]<<8) | p[7];
+			d += ((e<<5) | (e>>27)) + wp[1];
+			d += 0x5a827999 + (((b^c)&a)^c);
+			a = (a<<30)|(a>>2);
+
+			wp[2] = (p[8]<<24) | (p[9]<<16) | (p[10]<<8) | p[11];
+			c += ((d<<5) | (d>>27)) + wp[2];
+			c += 0x5a827999 + (((a^b)&e)^b);
+			e = (e<<30)|(e>>2);
+
+			wp[3] = (p[12]<<24) | (p[13]<<16) | (p[14]<<8) | p[15];
+			b += ((c<<5) | (c>>27)) + wp[3];
+			b += 0x5a827999 + (((e^a)&d)^a);
+			d = (d<<30)|(d>>2);
+
+			wp[4] = (p[16]<<24) | (p[17]<<16) | (p[18]<<8) | p[19];
+			a += ((b<<5) | (b>>27)) + wp[4];
+			a += 0x5a827999 + (((d^e)&c)^e);
+			c = (c<<30)|(c>>2);
+			
+			p += 20;
+		}
+
+		wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
+		e += ((a<<5) | (a>>27)) + wp[0];
+		e += 0x5a827999 + (((c^d)&b)^d);
+		b = (b<<30)|(b>>2);
+
+		x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+		wp[1] = (x<<1) | (x>>31);
+		d += ((e<<5) | (e>>27)) + wp[1];
+		d += 0x5a827999 + (((b^c)&a)^c);
+		a = (a<<30)|(a>>2);
+
+		x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+		wp[2] = (x<<1) | (x>>31);
+		c += ((d<<5) | (d>>27)) + wp[2];
+		c += 0x5a827999 + (((a^b)&e)^b);
+		e = (e<<30)|(e>>2);
+
+		x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+		wp[3] = (x<<1) | (x>>31);
+		b += ((c<<5) | (c>>27)) + wp[3];
+		b += 0x5a827999 + (((e^a)&d)^a);
+		d = (d<<30)|(d>>2);
+
+		x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+		wp[4] = (x<<1) | (x>>31);
+		a += ((b<<5) | (b>>27)) + wp[4];
+		a += 0x5a827999 + (((d^e)&c)^e);
+		c = (c<<30)|(c>>2);
+
+		wp += 5;
+		p += 4;
+
+		wend = w + 40;
+		for(; wp < wend; wp += 5){
+			x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
+			wp[0] = (x<<1) | (x>>31);
+			e += ((a<<5) | (a>>27)) + wp[0];
+			e += 0x6ed9eba1 + (b^c^d);
+			b = (b<<30)|(b>>2);
+
+			x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+			wp[1] = (x<<1) | (x>>31);
+			d += ((e<<5) | (e>>27)) + wp[1];
+			d += 0x6ed9eba1 + (a^b^c);
+			a = (a<<30)|(a>>2);
+
+			x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+			wp[2] = (x<<1) | (x>>31);
+			c += ((d<<5) | (d>>27)) + wp[2];
+			c += 0x6ed9eba1 + (e^a^b);
+			e = (e<<30)|(e>>2);
+
+			x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+			wp[3] = (x<<1) | (x>>31);
+			b += ((c<<5) | (c>>27)) + wp[3];
+			b += 0x6ed9eba1 + (d^e^a);
+			d = (d<<30)|(d>>2);
+
+			x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+			wp[4] = (x<<1) | (x>>31);
+			a += ((b<<5) | (b>>27)) + wp[4];
+			a += 0x6ed9eba1 + (c^d^e);
+			c = (c<<30)|(c>>2);
+		}
+
+		wend = w + 60;
+		for(; wp < wend; wp += 5){
+			x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
+			wp[0] = (x<<1) | (x>>31);
+			e += ((a<<5) | (a>>27)) + wp[0];
+			e += 0x8f1bbcdc + ((b&c)|((b|c)&d));
+			b = (b<<30)|(b>>2);
+
+			x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+			wp[1] = (x<<1) | (x>>31);
+			d += ((e<<5) | (e>>27)) + wp[1];
+			d += 0x8f1bbcdc + ((a&b)|((a|b)&c));
+			a = (a<<30)|(a>>2);
+
+			x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+			wp[2] = (x<<1) | (x>>31);
+			c += ((d<<5) | (d>>27)) + wp[2];
+			c += 0x8f1bbcdc + ((e&a)|((e|a)&b));
+			e = (e<<30)|(e>>2);
+
+			x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+			wp[3] = (x<<1) | (x>>31);
+			b += ((c<<5) | (c>>27)) + wp[3];
+			b += 0x8f1bbcdc + ((d&e)|((d|e)&a));
+			d = (d<<30)|(d>>2);
+
+			x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+			wp[4] = (x<<1) | (x>>31);
+			a += ((b<<5) | (b>>27)) + wp[4];
+			a += 0x8f1bbcdc + ((c&d)|((c|d)&e));
+			c = (c<<30)|(c>>2);
+		}
+
+		wend = w + 80;
+		for(; wp < wend; wp += 5){
+			x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
+			wp[0] = (x<<1) | (x>>31);
+			e += ((a<<5) | (a>>27)) + wp[0];
+			e += 0xca62c1d6 + (b^c^d);
+			b = (b<<30)|(b>>2);
+
+			x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+			wp[1] = (x<<1) | (x>>31);
+			d += ((e<<5) | (e>>27)) + wp[1];
+			d += 0xca62c1d6 + (a^b^c);
+			a = (a<<30)|(a>>2);
+
+			x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+			wp[2] = (x<<1) | (x>>31);
+			c += ((d<<5) | (d>>27)) + wp[2];
+			c += 0xca62c1d6 + (e^a^b);
+			e = (e<<30)|(e>>2);
+
+			x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+			wp[3] = (x<<1) | (x>>31);
+			b += ((c<<5) | (c>>27)) + wp[3];
+			b += 0xca62c1d6 + (d^e^a);
+			d = (d<<30)|(d>>2);
+
+			x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+			wp[4] = (x<<1) | (x>>31);
+			a += ((b<<5) | (b>>27)) + wp[4];
+			a += 0xca62c1d6 + (c^d^e);
+			c = (c<<30)|(c>>2);
+		}
+
+		/* save state */
+		s[0] += a;
+		s[1] += b;
+		s[2] += c;
+		s[3] += d;
+		s[4] += e;
+	}
+}
diff --git a/libsec/port/sha1pickle.c b/libsec/port/sha1pickle.c
new file mode 100644
index 00000000..6139567b
--- /dev/null
+++ b/libsec/port/sha1pickle.c
@@ -0,0 +1,38 @@
+#include "os.h"
+#include <libsec.h>
+
+char*
+sha1pickle(SHA1state *s)
+{
+	char *p;
+	int m, n;
+
+	m = 5*9+4*((s->blen+3)/3);
+	p = malloc(m);
+	if(p == nil)
+		return p;
+	n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux %8.8ux ",
+		s->state[0], s->state[1], s->state[2],
+		s->state[3], s->state[4]);
+	enc64(p+n, m-n, s->buf, s->blen);
+	return p;
+}
+
+SHA1state*
+sha1unpickle(char *p)
+{
+	SHA1state *s;
+
+	s = malloc(sizeof(*s));
+	if(s == nil)
+		return nil;
+	s->state[0] = strtoul(p, &p, 16);
+	s->state[1] = strtoul(p, &p, 16);
+	s->state[2] = strtoul(p, &p, 16);
+	s->state[3] = strtoul(p, &p, 16);
+	s->state[4] = strtoul(p, &p, 16);
+	s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
+	s->malloced = 1;
+	s->seeded = 1;
+	return s;
+}
diff --git a/libsec/port/smallprimes.c b/libsec/port/smallprimes.c
new file mode 100644
index 00000000..ac23a2f0
--- /dev/null
+++ b/libsec/port/smallprimes.c
@@ -0,0 +1,1004 @@
+#include "os.h"
+
+ulong smallprimes[1000] = {
+	2,
+	3,
+	5,
+	7,
+	11,
+	13,
+	17,
+	19,
+	23,
+	29,
+	31,
+	37,
+	41,
+	43,
+	47,
+	53,
+	59,
+	61,
+	67,
+	71,
+	73,
+	79,
+	83,
+	89,
+	97,
+	101,
+	103,
+	107,
+	109,
+	113,
+	127,
+	131,
+	137,
+	139,
+	149,
+	151,
+	157,
+	163,
+	167,
+	173,
+	179,
+	181,
+	191,
+	193,
+	197,
+	199,
+	211,
+	223,
+	227,
+	229,
+	233,
+	239,
+	241,
+	251,
+	257,
+	263,
+	269,
+	271,
+	277,
+	281,
+	283,
+	293,
+	307,
+	311,
+	313,
+	317,
+	331,
+	337,
+	347,
+	349,
+	353,
+	359,
+	367,
+	373,
+	379,
+	383,
+	389,
+	397,
+	401,
+	409,
+	419,
+	421,
+	431,
+	433,
+	439,
+	443,
+	449,
+	457,
+	461,
+	463,
+	467,
+	479,
+	487,
+	491,
+	499,
+	503,
+	509,
+	521,
+	523,
+	541,
+	547,
+	557,
+	563,
+	569,
+	571,
+	577,
+	587,
+	593,
+	599,
+	601,
+	607,
+	613,
+	617,
+	619,
+	631,
+	641,
+	643,
+	647,
+	653,
+	659,
+	661,
+	673,
+	677,
+	683,
+	691,
+	701,
+	709,
+	719,
+	727,
+	733,
+	739,
+	743,
+	751,
+	757,
+	761,
+	769,
+	773,
+	787,
+	797,
+	809,
+	811,
+	821,
+	823,
+	827,
+	829,
+	839,
+	853,
+	857,
+	859,
+	863,
+	877,
+	881,
+	883,
+	887,
+	907,
+	911,
+	919,
+	929,
+	937,
+	941,
+	947,
+	953,
+	967,
+	971,
+	977,
+	983,
+	991,
+	997,
+	1009,
+	1013,
+	1019,
+	1021,
+	1031,
+	1033,
+	1039,
+	1049,
+	1051,
+	1061,
+	1063,
+	1069,
+	1087,
+	1091,
+	1093,
+	1097,
+	1103,
+	1109,
+	1117,
+	1123,
+	1129,
+	1151,
+	1153,
+	1163,
+	1171,
+	1181,
+	1187,
+	1193,
+	1201,
+	1213,
+	1217,
+	1223,
+	1229,
+	1231,
+	1237,
+	1249,
+	1259,
+	1277,
+	1279,
+	1283,
+	1289,
+	1291,
+	1297,
+	1301,
+	1303,
+	1307,
+	1319,
+	1321,
+	1327,
+	1361,
+	1367,
+	1373,
+	1381,
+	1399,
+	1409,
+	1423,
+	1427,
+	1429,
+	1433,
+	1439,
+	1447,
+	1451,
+	1453,
+	1459,
+	1471,
+	1481,
+	1483,
+	1487,
+	1489,
+	1493,
+	1499,
+	1511,
+	1523,
+	1531,
+	1543,
+	1549,
+	1553,
+	1559,
+	1567,
+	1571,
+	1579,
+	1583,
+	1597,
+	1601,
+	1607,
+	1609,
+	1613,
+	1619,
+	1621,
+	1627,
+	1637,
+	1657,
+	1663,
+	1667,
+	1669,
+	1693,
+	1697,
+	1699,
+	1709,
+	1721,
+	1723,
+	1733,
+	1741,
+	1747,
+	1753,
+	1759,
+	1777,
+	1783,
+	1787,
+	1789,
+	1801,
+	1811,
+	1823,
+	1831,
+	1847,
+	1861,
+	1867,
+	1871,
+	1873,
+	1877,
+	1879,
+	1889,
+	1901,
+	1907,
+	1913,
+	1931,
+	1933,
+	1949,
+	1951,
+	1973,
+	1979,
+	1987,
+	1993,
+	1997,
+	1999,
+	2003,
+	2011,
+	2017,
+	2027,
+	2029,
+	2039,
+	2053,
+	2063,
+	2069,
+	2081,
+	2083,
+	2087,
+	2089,
+	2099,
+	2111,
+	2113,
+	2129,
+	2131,
+	2137,
+	2141,
+	2143,
+	2153,
+	2161,
+	2179,
+	2203,
+	2207,
+	2213,
+	2221,
+	2237,
+	2239,
+	2243,
+	2251,
+	2267,
+	2269,
+	2273,
+	2281,
+	2287,
+	2293,
+	2297,
+	2309,
+	2311,
+	2333,
+	2339,
+	2341,
+	2347,
+	2351,
+	2357,
+	2371,
+	2377,
+	2381,
+	2383,
+	2389,
+	2393,
+	2399,
+	2411,
+	2417,
+	2423,
+	2437,
+	2441,
+	2447,
+	2459,
+	2467,
+	2473,
+	2477,
+	2503,
+	2521,
+	2531,
+	2539,
+	2543,
+	2549,
+	2551,
+	2557,
+	2579,
+	2591,
+	2593,
+	2609,
+	2617,
+	2621,
+	2633,
+	2647,
+	2657,
+	2659,
+	2663,
+	2671,
+	2677,
+	2683,
+	2687,
+	2689,
+	2693,
+	2699,
+	2707,
+	2711,
+	2713,
+	2719,
+	2729,
+	2731,
+	2741,
+	2749,
+	2753,
+	2767,
+	2777,
+	2789,
+	2791,
+	2797,
+	2801,
+	2803,
+	2819,
+	2833,
+	2837,
+	2843,
+	2851,
+	2857,
+	2861,
+	2879,
+	2887,
+	2897,
+	2903,
+	2909,
+	2917,
+	2927,
+	2939,
+	2953,
+	2957,
+	2963,
+	2969,
+	2971,
+	2999,
+	3001,
+	3011,
+	3019,
+	3023,
+	3037,
+	3041,
+	3049,
+	3061,
+	3067,
+	3079,
+	3083,
+	3089,
+	3109,
+	3119,
+	3121,
+	3137,
+	3163,
+	3167,
+	3169,
+	3181,
+	3187,
+	3191,
+	3203,
+	3209,
+	3217,
+	3221,
+	3229,
+	3251,
+	3253,
+	3257,
+	3259,
+	3271,
+	3299,
+	3301,
+	3307,
+	3313,
+	3319,
+	3323,
+	3329,
+	3331,
+	3343,
+	3347,
+	3359,
+	3361,
+	3371,
+	3373,
+	3389,
+	3391,
+	3407,
+	3413,
+	3433,
+	3449,
+	3457,
+	3461,
+	3463,
+	3467,
+	3469,
+	3491,
+	3499,
+	3511,
+	3517,
+	3527,
+	3529,
+	3533,
+	3539,
+	3541,
+	3547,
+	3557,
+	3559,
+	3571,
+	3581,
+	3583,
+	3593,
+	3607,
+	3613,
+	3617,
+	3623,
+	3631,
+	3637,
+	3643,
+	3659,
+	3671,
+	3673,
+	3677,
+	3691,
+	3697,
+	3701,
+	3709,
+	3719,
+	3727,
+	3733,
+	3739,
+	3761,
+	3767,
+	3769,
+	3779,
+	3793,
+	3797,
+	3803,
+	3821,
+	3823,
+	3833,
+	3847,
+	3851,
+	3853,
+	3863,
+	3877,
+	3881,
+	3889,
+	3907,
+	3911,
+	3917,
+	3919,
+	3923,
+	3929,
+	3931,
+	3943,
+	3947,
+	3967,
+	3989,
+	4001,
+	4003,
+	4007,
+	4013,
+	4019,
+	4021,
+	4027,
+	4049,
+	4051,
+	4057,
+	4073,
+	4079,
+	4091,
+	4093,
+	4099,
+	4111,
+	4127,
+	4129,
+	4133,
+	4139,
+	4153,
+	4157,
+	4159,
+	4177,
+	4201,
+	4211,
+	4217,
+	4219,
+	4229,
+	4231,
+	4241,
+	4243,
+	4253,
+	4259,
+	4261,
+	4271,
+	4273,
+	4283,
+	4289,
+	4297,
+	4327,
+	4337,
+	4339,
+	4349,
+	4357,
+	4363,
+	4373,
+	4391,
+	4397,
+	4409,
+	4421,
+	4423,
+	4441,
+	4447,
+	4451,
+	4457,
+	4463,
+	4481,
+	4483,
+	4493,
+	4507,
+	4513,
+	4517,
+	4519,
+	4523,
+	4547,
+	4549,
+	4561,
+	4567,
+	4583,
+	4591,
+	4597,
+	4603,
+	4621,
+	4637,
+	4639,
+	4643,
+	4649,
+	4651,
+	4657,
+	4663,
+	4673,
+	4679,
+	4691,
+	4703,
+	4721,
+	4723,
+	4729,
+	4733,
+	4751,
+	4759,
+	4783,
+	4787,
+	4789,
+	4793,
+	4799,
+	4801,
+	4813,
+	4817,
+	4831,
+	4861,
+	4871,
+	4877,
+	4889,
+	4903,
+	4909,
+	4919,
+	4931,
+	4933,
+	4937,
+	4943,
+	4951,
+	4957,
+	4967,
+	4969,
+	4973,
+	4987,
+	4993,
+	4999,
+	5003,
+	5009,
+	5011,
+	5021,
+	5023,
+	5039,
+	5051,
+	5059,
+	5077,
+	5081,
+	5087,
+	5099,
+	5101,
+	5107,
+	5113,
+	5119,
+	5147,
+	5153,
+	5167,
+	5171,
+	5179,
+	5189,
+	5197,
+	5209,
+	5227,
+	5231,
+	5233,
+	5237,
+	5261,
+	5273,
+	5279,
+	5281,
+	5297,
+	5303,
+	5309,
+	5323,
+	5333,
+	5347,
+	5351,
+	5381,
+	5387,
+	5393,
+	5399,
+	5407,
+	5413,
+	5417,
+	5419,
+	5431,
+	5437,
+	5441,
+	5443,
+	5449,
+	5471,
+	5477,
+	5479,
+	5483,
+	5501,
+	5503,
+	5507,
+	5519,
+	5521,
+	5527,
+	5531,
+	5557,
+	5563,
+	5569,
+	5573,
+	5581,
+	5591,
+	5623,
+	5639,
+	5641,
+	5647,
+	5651,
+	5653,
+	5657,
+	5659,
+	5669,
+	5683,
+	5689,
+	5693,
+	5701,
+	5711,
+	5717,
+	5737,
+	5741,
+	5743,
+	5749,
+	5779,
+	5783,
+	5791,
+	5801,
+	5807,
+	5813,
+	5821,
+	5827,
+	5839,
+	5843,
+	5849,
+	5851,
+	5857,
+	5861,
+	5867,
+	5869,
+	5879,
+	5881,
+	5897,
+	5903,
+	5923,
+	5927,
+	5939,
+	5953,
+	5981,
+	5987,
+	6007,
+	6011,
+	6029,
+	6037,
+	6043,
+	6047,
+	6053,
+	6067,
+	6073,
+	6079,
+	6089,
+	6091,
+	6101,
+	6113,
+	6121,
+	6131,
+	6133,
+	6143,
+	6151,
+	6163,
+	6173,
+	6197,
+	6199,
+	6203,
+	6211,
+	6217,
+	6221,
+	6229,
+	6247,
+	6257,
+	6263,
+	6269,
+	6271,
+	6277,
+	6287,
+	6299,
+	6301,
+	6311,
+	6317,
+	6323,
+	6329,
+	6337,
+	6343,
+	6353,
+	6359,
+	6361,
+	6367,
+	6373,
+	6379,
+	6389,
+	6397,
+	6421,
+	6427,
+	6449,
+	6451,
+	6469,
+	6473,
+	6481,
+	6491,
+	6521,
+	6529,
+	6547,
+	6551,
+	6553,
+	6563,
+	6569,
+	6571,
+	6577,
+	6581,
+	6599,
+	6607,
+	6619,
+	6637,
+	6653,
+	6659,
+	6661,
+	6673,
+	6679,
+	6689,
+	6691,
+	6701,
+	6703,
+	6709,
+	6719,
+	6733,
+	6737,
+	6761,
+	6763,
+	6779,
+	6781,
+	6791,
+	6793,
+	6803,
+	6823,
+	6827,
+	6829,
+	6833,
+	6841,
+	6857,
+	6863,
+	6869,
+	6871,
+	6883,
+	6899,
+	6907,
+	6911,
+	6917,
+	6947,
+	6949,
+	6959,
+	6961,
+	6967,
+	6971,
+	6977,
+	6983,
+	6991,
+	6997,
+	7001,
+	7013,
+	7019,
+	7027,
+	7039,
+	7043,
+	7057,
+	7069,
+	7079,
+	7103,
+	7109,
+	7121,
+	7127,
+	7129,
+	7151,
+	7159,
+	7177,
+	7187,
+	7193,
+	7207,
+	7211,
+	7213,
+	7219,
+	7229,
+	7237,
+	7243,
+	7247,
+	7253,
+	7283,
+	7297,
+	7307,
+	7309,
+	7321,
+	7331,
+	7333,
+	7349,
+	7351,
+	7369,
+	7393,
+	7411,
+	7417,
+	7433,
+	7451,
+	7457,
+	7459,
+	7477,
+	7481,
+	7487,
+	7489,
+	7499,
+	7507,
+	7517,
+	7523,
+	7529,
+	7537,
+	7541,
+	7547,
+	7549,
+	7559,
+	7561,
+	7573,
+	7577,
+	7583,
+	7589,
+	7591,
+	7603,
+	7607,
+	7621,
+	7639,
+	7643,
+	7649,
+	7669,
+	7673,
+	7681,
+	7687,
+	7691,
+	7699,
+	7703,
+	7717,
+	7723,
+	7727,
+	7741,
+	7753,
+	7757,
+	7759,
+	7789,
+	7793,
+	7817,
+	7823,
+	7829,
+	7841,
+	7853,
+	7867,
+	7873,
+	7877,
+	7879,
+	7883,
+	7901,
+	7907,
+	7919,
+};
diff --git a/libsec/port/smallprimetest.c b/libsec/port/smallprimetest.c
new file mode 100644
index 00000000..cf94dac2
--- /dev/null
+++ b/libsec/port/smallprimetest.c
@@ -0,0 +1,1039 @@
+#include "os.h"
+#include <mp.h>
+#include <libsec.h>
+
+static ulong smallprimes[] = {
+	2,	3,	5,	7,	11,	13,	17,	19,	23,	29,
+	31,	37,	41,	43,	47,	53,	59,	61,	67,	71,
+	73,	79,	83,	89,	97,	101,	103,	107,	109,	113,
+	127,	131,	137,	139,	149,	151,	157,	163,	167,	173,
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+	96587,	96589,	96601,	96643,	96661,	96667,	96671,	96697,	96703,	96731,
+	96737,	96739,	96749,	96757,	96763,	96769,	96779,	96787,	96797,	96799,
+	96821,	96823,	96827,	96847,	96851,	96857,	96893,	96907,	96911,	96931,
+	96953,	96959,	96973,	96979,	96989,	96997,	97001,	97003,	97007,	97021,
+	97039,	97073,	97081,	97103,	97117,	97127,	97151,	97157,	97159,	97169,
+	97171,	97177,	97187,	97213,	97231,	97241,	97259,	97283,	97301,	97303,
+	97327,	97367,	97369,	97373,	97379,	97381,	97387,	97397,	97423,	97429,
+	97441,	97453,	97459,	97463,	97499,	97501,	97511,	97523,	97547,	97549,
+	97553,	97561,	97571,	97577,	97579,	97583,	97607,	97609,	97613,	97649,
+	97651,	97673,	97687,	97711,	97729,	97771,	97777,	97787,	97789,	97813,
+	97829,	97841,	97843,	97847,	97849,	97859,	97861,	97871,	97879,	97883,
+	97919,	97927,	97931,	97943,	97961,	97967,	97973,	97987,	98009,	98011,
+	98017,	98041,	98047,	98057,	98081,	98101,	98123,	98129,	98143,	98179,
+	98207,	98213,	98221,	98227,	98251,	98257,	98269,	98297,	98299,	98317,
+	98321,	98323,	98327,	98347,	98369,	98377,	98387,	98389,	98407,	98411,
+	98419,	98429,	98443,	98453,	98459,	98467,	98473,	98479,	98491,	98507,
+	98519,	98533,	98543,	98561,	98563,	98573,	98597,	98621,	98627,	98639,
+	98641,	98663,	98669,	98689,	98711,	98713,	98717,	98729,	98731,	98737,
+	98773,	98779,	98801,	98807,	98809,	98837,	98849,	98867,	98869,	98873,
+	98887,	98893,	98897,	98899,	98909,	98911,	98927,	98929,	98939,	98947,
+	98953,	98963,	98981,	98993,	98999,	99013,	99017,	99023,	99041,	99053,
+	99079,	99083,	99089,	99103,	99109,	99119,	99131,	99133,	99137,	99139,
+	99149,	99173,	99181,	99191,	99223,	99233,	99241,	99251,	99257,	99259,
+	99277,	99289,	99317,	99347,	99349,	99367,	99371,	99377,	99391,	99397,
+	99401,	99409,	99431,	99439,	99469,	99487,	99497,	99523,	99527,	99529,
+	99551,	99559,	99563,	99571,	99577,	99581,	99607,	99611,	99623,	99643,
+	99661,	99667,	99679,	99689,	99707,	99709,	99713,	99719,	99721,	99733,
+	99761,	99767,	99787,	99793,	99809,	99817,	99823,	99829,	99833,	99839,
+	99859,	99871,	99877,	99881,	99901,	99907,	99923,	99929,	99961,	99971,
+	99989,	99991,	100003,	100019,	100043,	100049,	100057,	100069,	100103,	100109,
+	100129,	100151,	100153,	100169,	100183,	100189,	100193,	100207,	100213,	100237,
+	100267,	100271,	100279,	100291,	100297,	100313,	100333,	100343,	100357,	100361,
+	100363,	100379,	100391,	100393,	100403,	100411,	100417,	100447,	100459,	100469,
+	100483,	100493,	100501,	100511,	100517,	100519,	100523,	100537,	100547,	100549,
+	100559,	100591,	100609,	100613,	100621,	100649,	100669,	100673,	100693,	100699,
+	100703,	100733,	100741,	100747,	100769,	100787,	100799,	100801,	100811,	100823,
+	100829,	100847,	100853,	100907,	100913,	100927,	100931,	100937,	100943,	100957,
+	100981,	100987,	100999,	101009,	101021,	101027,	101051,	101063,	101081,	101089,
+	101107,	101111,	101113,	101117,	101119,	101141,	101149,	101159,	101161,	101173,
+	101183,	101197,	101203,	101207,	101209,	101221,	101267,	101273,	101279,	101281,
+	101287,	101293,	101323,	101333,	101341,	101347,	101359,	101363,	101377,	101383,
+	101399,	101411,	101419,	101429,	101449,	101467,	101477,	101483,	101489,	101501,
+	101503,	101513,	101527,	101531,	101533,	101537,	101561,	101573,	101581,	101599,
+	101603,	101611,	101627,	101641,	101653,	101663,	101681,	101693,	101701,	101719,
+	101723,	101737,	101741,	101747,	101749,	101771,	101789,	101797,	101807,	101833,
+	101837,	101839,	101863,	101869,	101873,	101879,	101891,	101917,	101921,	101929,
+	101939,	101957,	101963,	101977,	101987,	101999,	102001,	102013,	102019,	102023,
+	102031,	102043,	102059,	102061,	102071,	102077,	102079,	102101,	102103,	102107,
+	102121,	102139,	102149,	102161,	102181,	102191,	102197,	102199,	102203,	102217,
+	102229,	102233,	102241,	102251,	102253,	102259,	102293,	102299,	102301,	102317,
+	102329,	102337,	102359,	102367,	102397,	102407,	102409,	102433,	102437,	102451,
+	102461,	102481,	102497,	102499,	102503,	102523,	102533,	102539,	102547,	102551,
+	102559,	102563,	102587,	102593,	102607,	102611,	102643,	102647,	102653,	102667,
+	102673,	102677,	102679,	102701,	102761,	102763,	102769,	102793,	102797,	102811,
+	102829,	102841,	102859,	102871,	102877,	102881,	102911,	102913,	102929,	102931,
+	102953,	102967,	102983,	103001,	103007,	103043,	103049,	103067,	103069,	103079,
+	103087,	103091,	103093,	103099,	103123,	103141,	103171,	103177,	103183,	103217,
+	103231,	103237,	103289,	103291,	103307,	103319,	103333,	103349,	103357,	103387,
+	103391,	103393,	103399,	103409,	103421,	103423,	103451,	103457,	103471,	103483,
+	103511,	103529,	103549,	103553,	103561,	103567,	103573,	103577,	103583,	103591,
+	103613,	103619,	103643,	103651,	103657,	103669,	103681,	103687,	103699,	103703,
+	103723,	103769,	103787,	103801,	103811,	103813,	103837,	103841,	103843,	103867,
+	103889,	103903,	103913,	103919,	103951,	103963,	103967,	103969,	103979,	103981,
+	103991,	103993,	103997,	104003,	104009,	104021,	104033,	104047,	104053,	104059,
+	104087,	104089,	104107,	104113,	104119,	104123,	104147,	104149,	104161,	104173,
+	104179,	104183,	104207,	104231,	104233,	104239,	104243,	104281,	104287,	104297,
+	104309,	104311,	104323,	104327,	104347,	104369,	104381,	104383,	104393,	104399,
+	104417,	104459,	104471,	104473,	104479,	104491,	104513,	104527,	104537,	104543,
+	104549,	104551,	104561,	104579,	104593,	104597,	104623,	104639,	104651,	104659,
+	104677,	104681,	104683,	104693,	104701,	104707,	104711,	104717,	104723,	104729,
+};
+
+//  return 1 if p is divisable by sp, 0 otherwise
+static int
+divides(mpint *dividend, ulong divisor)
+{
+	mpdigit d[2], q;
+	int i;
+
+	d[1] = 0;
+	for(i = dividend->top-1; i >= 0; i--){
+		d[0] = dividend->p[i];
+		mpdigdiv(d, divisor, &q);
+		d[1] = d[0] - divisor*q;
+	}
+	return d[1] == 0;
+}
+
+//  return -1 if p is divisable by one of the small primes, 0 otherwise
+int
+smallprimetest(mpint *p)
+{
+	int i;
+	ulong sp;
+
+	for(i = 0; i < nelem(smallprimes); i++){
+		sp = smallprimes[i];
+		if(p->top == 1 && p->p[0] <= sp)
+			break;
+		if(divides(p, sp))
+			return -1;
+	}
+	return 0;
+}