x20090330-0957

1 files changed, 38 insertions, 0 deletions

diff --git a/appl/cmd/ssh/cipherdes.b b/appl/cmd/ssh/cipherdes.b
new file mode 100644
index 00000000..17456848
--- /dev/null
+++ b/appl/cmd/ssh/cipherdes.b
@@ -0,0 +1,38 @@
+implement Cipher;
+
+include "sys.m";
+
+include "keyring.m";
+	kr: Keyring;
+	DESstate: import kr;
+
+include "sshio.m";
+
+Cipherstate: adt
+{
+	enc: ref DESstate;
+	dec: ref DESstate;
+};
+
+cs: ref Cipherstate;
+
+id(): int
+{
+	return SSH_CIPHER_DES;
+}
+
+init(key: array of byte, nil: int)
+{
+	kr = load Keyring Keyring->PATH;
+	cs = ref Cipherstate(kr->dessetup(key, nil), kr->dessetup(key, nil));
+}
+
+encrypt(buf: array of byte, nbuf: int)
+{
+	kr->descbc(cs.enc, buf, nbuf, Keyring->Encrypt);
+}
+
+decrypt(buf: array of byte, nbuf: int)
+{
+	kr->descbc(cs.dec, buf, nbuf, Keyring->Decrypt);
+}