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Diffstat (limited to 'libsec/Plan9-386/md5block.s')
| -rw-r--r-- | libsec/Plan9-386/md5block.s | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/libsec/Plan9-386/md5block.s b/libsec/Plan9-386/md5block.s new file mode 100644 index 00000000..56966d76 --- /dev/null +++ b/libsec/Plan9-386/md5block.s @@ -0,0 +1,220 @@ +/* + * 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. + */ +#define S11 7 +#define S12 12 +#define S13 17 +#define S14 22 + +#define S21 5 +#define S22 9 +#define S23 14 +#define S24 20 + +#define S31 4 +#define S32 11 +#define S33 16 +#define S34 23 + +#define S41 6 +#define S42 10 +#define S43 15 +#define S44 21 + +/* + * SI is data + * a += FN(B,C,D); + * a += x[sh] + t[sh]; + * a = (a << S11) | (a >> (32 - S11)); + * a += b; + */ + +#define BODY1(off,V,FN,SH,A,B,C,D)\ + FN(B,C,D)\ + LEAL V(A)(DI*1),A;\ + ADDL (off)(BP),A;\ + ROLL $SH,A;\ + ADDL B,A;\ + +#define BODY(off,V,FN,SH,A,B,C,D)\ + FN(B,C,D)\ + LEAL V(A)(DI*1),A;\ + ADDL (off)(BP),A;\ + ROLL $SH,A;\ + ADDL B,A;\ + +/* + * fn1 = ((c ^ d) & b) ^ d + */ +#define FN1(B,C,D)\ + MOVL C,DI;\ + XORL D,DI;\ + ANDL B,DI;\ + XORL D,DI;\ + +/* + * fn2 = ((b ^ c) & d) ^ c; + */ +#define FN2(B,C,D)\ + MOVL B,DI;\ + XORL C,DI;\ + ANDL D,DI;\ + XORL C,DI;\ + +/* + * fn3 = b ^ c ^ d; + */ +#define FN3(B,C,D)\ + MOVL B,DI;\ + XORL C,DI;\ + XORL D,DI;\ + +/* + * fn4 = c ^ (b | ~d); + */ +#define FN4(B,C,D)\ + MOVL D,DI;\ + XORL $-1,DI;\ + ORL B,DI;\ + XORL C,DI;\ + +#define DATA 0 +#define LEN 4 +#define STATE 8 + +#define EDATA (-4) + + TEXT _md5block+0(SB),$4 + + MOVL data+DATA(FP),AX + ADDL len+LEN(FP),AX + MOVL AX,edata+EDATA(SP) + + MOVL data+DATA(FP),BP + +mainloop: + MOVL state+STATE(FP),SI + MOVL (SI),AX + MOVL 4(SI),BX + MOVL 8(SI),CX + MOVL 12(SI),DX + + BODY1( 0*4,0xd76aa478,FN1,S11,AX,BX,CX,DX) + BODY1( 1*4,0xe8c7b756,FN1,S12,DX,AX,BX,CX) + BODY1( 2*4,0x242070db,FN1,S13,CX,DX,AX,BX) + BODY1( 3*4,0xc1bdceee,FN1,S14,BX,CX,DX,AX) + + BODY1( 4*4,0xf57c0faf,FN1,S11,AX,BX,CX,DX) + BODY1( 5*4,0x4787c62a,FN1,S12,DX,AX,BX,CX) + BODY1( 6*4,0xa8304613,FN1,S13,CX,DX,AX,BX) + BODY1( 7*4,0xfd469501,FN1,S14,BX,CX,DX,AX) + + BODY1( 8*4,0x698098d8,FN1,S11,AX,BX,CX,DX) + BODY1( 9*4,0x8b44f7af,FN1,S12,DX,AX,BX,CX) + BODY1(10*4,0xffff5bb1,FN1,S13,CX,DX,AX,BX) + BODY1(11*4,0x895cd7be,FN1,S14,BX,CX,DX,AX) + + BODY1(12*4,0x6b901122,FN1,S11,AX,BX,CX,DX) + BODY1(13*4,0xfd987193,FN1,S12,DX,AX,BX,CX) + BODY1(14*4,0xa679438e,FN1,S13,CX,DX,AX,BX) + BODY1(15*4,0x49b40821,FN1,S14,BX,CX,DX,AX) + + + BODY( 1*4,0xf61e2562,FN2,S21,AX,BX,CX,DX) + BODY( 6*4,0xc040b340,FN2,S22,DX,AX,BX,CX) + BODY(11*4,0x265e5a51,FN2,S23,CX,DX,AX,BX) + BODY( 0*4,0xe9b6c7aa,FN2,S24,BX,CX,DX,AX) + + BODY( 5*4,0xd62f105d,FN2,S21,AX,BX,CX,DX) + BODY(10*4,0x02441453,FN2,S22,DX,AX,BX,CX) + BODY(15*4,0xd8a1e681,FN2,S23,CX,DX,AX,BX) + BODY( 4*4,0xe7d3fbc8,FN2,S24,BX,CX,DX,AX) + + BODY( 9*4,0x21e1cde6,FN2,S21,AX,BX,CX,DX) + BODY(14*4,0xc33707d6,FN2,S22,DX,AX,BX,CX) + BODY( 3*4,0xf4d50d87,FN2,S23,CX,DX,AX,BX) + BODY( 8*4,0x455a14ed,FN2,S24,BX,CX,DX,AX) + + BODY(13*4,0xa9e3e905,FN2,S21,AX,BX,CX,DX) + BODY( 2*4,0xfcefa3f8,FN2,S22,DX,AX,BX,CX) + BODY( 7*4,0x676f02d9,FN2,S23,CX,DX,AX,BX) + BODY(12*4,0x8d2a4c8a,FN2,S24,BX,CX,DX,AX) + + + BODY( 5*4,0xfffa3942,FN3,S31,AX,BX,CX,DX) + BODY( 8*4,0x8771f681,FN3,S32,DX,AX,BX,CX) + BODY(11*4,0x6d9d6122,FN3,S33,CX,DX,AX,BX) + BODY(14*4,0xfde5380c,FN3,S34,BX,CX,DX,AX) + + BODY( 1*4,0xa4beea44,FN3,S31,AX,BX,CX,DX) + BODY( 4*4,0x4bdecfa9,FN3,S32,DX,AX,BX,CX) + BODY( 7*4,0xf6bb4b60,FN3,S33,CX,DX,AX,BX) + BODY(10*4,0xbebfbc70,FN3,S34,BX,CX,DX,AX) + + BODY(13*4,0x289b7ec6,FN3,S31,AX,BX,CX,DX) + BODY( 0*4,0xeaa127fa,FN3,S32,DX,AX,BX,CX) + BODY( 3*4,0xd4ef3085,FN3,S33,CX,DX,AX,BX) + BODY( 6*4,0x04881d05,FN3,S34,BX,CX,DX,AX) + + BODY( 9*4,0xd9d4d039,FN3,S31,AX,BX,CX,DX) + BODY(12*4,0xe6db99e5,FN3,S32,DX,AX,BX,CX) + BODY(15*4,0x1fa27cf8,FN3,S33,CX,DX,AX,BX) + BODY( 2*4,0xc4ac5665,FN3,S34,BX,CX,DX,AX) + + + BODY( 0*4,0xf4292244,FN4,S41,AX,BX,CX,DX) + BODY( 7*4,0x432aff97,FN4,S42,DX,AX,BX,CX) + BODY(14*4,0xab9423a7,FN4,S43,CX,DX,AX,BX) + BODY( 5*4,0xfc93a039,FN4,S44,BX,CX,DX,AX) + + BODY(12*4,0x655b59c3,FN4,S41,AX,BX,CX,DX) + BODY( 3*4,0x8f0ccc92,FN4,S42,DX,AX,BX,CX) + BODY(10*4,0xffeff47d,FN4,S43,CX,DX,AX,BX) + BODY( 1*4,0x85845dd1,FN4,S44,BX,CX,DX,AX) + + BODY( 8*4,0x6fa87e4f,FN4,S41,AX,BX,CX,DX) + BODY(15*4,0xfe2ce6e0,FN4,S42,DX,AX,BX,CX) + BODY( 6*4,0xa3014314,FN4,S43,CX,DX,AX,BX) + BODY(13*4,0x4e0811a1,FN4,S44,BX,CX,DX,AX) + + BODY( 4*4,0xf7537e82,FN4,S41,AX,BX,CX,DX) + BODY(11*4,0xbd3af235,FN4,S42,DX,AX,BX,CX) + BODY( 2*4,0x2ad7d2bb,FN4,S43,CX,DX,AX,BX) + BODY( 9*4,0xeb86d391,FN4,S44,BX,CX,DX,AX) + + ADDL $(16*4),BP + MOVL state+STATE(FP),DI + ADDL AX,0(DI) + ADDL BX,4(DI) + ADDL CX,8(DI) + ADDL DX,12(DI) + + MOVL edata+EDATA(SP),DI + CMPL BP,DI + JCS mainloop + + RET + + END |