diff options
Diffstat (limited to 'src/crypto/md5/md5block_s390x.s')
| -rw-r--r-- | src/crypto/md5/md5block_s390x.s | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/crypto/md5/md5block_s390x.s b/src/crypto/md5/md5block_s390x.s new file mode 100644 index 0000000..68f501c --- /dev/null +++ b/src/crypto/md5/md5block_s390x.s @@ -0,0 +1,175 @@ +// Original source: +// http://www.zorinaq.com/papers/md5-amd64.html +// http://www.zorinaq.com/papers/md5-amd64.tar.bz2 +// +// MD5 adapted for s390x using Go's assembler for +// s390x, based on md5block_amd64.s implementation by +// the Go authors. +// +// Author: Marc Bevand <bevand_m (at) epita.fr> +// Licence: I hereby disclaim the copyright on this code and place it +// in the public domain. + +#include "textflag.h" + +// func block(dig *digest, p []byte) +TEXT ·block(SB),NOSPLIT,$16-32 + MOVD dig+0(FP), R1 + MOVD p+8(FP), R6 + MOVD p_len+16(FP), R5 + AND $-64, R5 + LAY (R6)(R5*1), R7 + + LMY 0(R1), R2, R5 + CMPBEQ R6, R7, end + +loop: + STMY R2, R5, tmp-16(SP) + + MOVWBR 0(R6), R8 + MOVWZ R5, R9 + +#define ROUND1(a, b, c, d, index, const, shift) \ + XOR c, R9; \ + ADD $const, a; \ + ADD R8, a; \ + MOVWBR (index*4)(R6), R8; \ + AND b, R9; \ + XOR d, R9; \ + ADD R9, a; \ + RLL $shift, a; \ + MOVWZ c, R9; \ + ADD b, a + + ROUND1(R2,R3,R4,R5, 1,0xd76aa478, 7); + ROUND1(R5,R2,R3,R4, 2,0xe8c7b756,12); + ROUND1(R4,R5,R2,R3, 3,0x242070db,17); + ROUND1(R3,R4,R5,R2, 4,0xc1bdceee,22); + ROUND1(R2,R3,R4,R5, 5,0xf57c0faf, 7); + ROUND1(R5,R2,R3,R4, 6,0x4787c62a,12); + ROUND1(R4,R5,R2,R3, 7,0xa8304613,17); + ROUND1(R3,R4,R5,R2, 8,0xfd469501,22); + ROUND1(R2,R3,R4,R5, 9,0x698098d8, 7); + ROUND1(R5,R2,R3,R4,10,0x8b44f7af,12); + ROUND1(R4,R5,R2,R3,11,0xffff5bb1,17); + ROUND1(R3,R4,R5,R2,12,0x895cd7be,22); + ROUND1(R2,R3,R4,R5,13,0x6b901122, 7); + ROUND1(R5,R2,R3,R4,14,0xfd987193,12); + ROUND1(R4,R5,R2,R3,15,0xa679438e,17); + ROUND1(R3,R4,R5,R2, 0,0x49b40821,22); + + MOVWBR (1*4)(R6), R8 + MOVWZ R5, R9 + MOVWZ R5, R1 + +#define ROUND2(a, b, c, d, index, const, shift) \ + XOR $0xffffffff, R9; \ // NOTW R9 + ADD $const, a; \ + ADD R8, a; \ + MOVWBR (index*4)(R6), R8; \ + AND b, R1; \ + AND c, R9; \ + OR R9, R1; \ + MOVWZ c, R9; \ + ADD R1, a; \ + MOVWZ c, R1; \ + RLL $shift, a; \ + ADD b, a + + ROUND2(R2,R3,R4,R5, 6,0xf61e2562, 5); + ROUND2(R5,R2,R3,R4,11,0xc040b340, 9); + ROUND2(R4,R5,R2,R3, 0,0x265e5a51,14); + ROUND2(R3,R4,R5,R2, 5,0xe9b6c7aa,20); + ROUND2(R2,R3,R4,R5,10,0xd62f105d, 5); + ROUND2(R5,R2,R3,R4,15, 0x2441453, 9); + ROUND2(R4,R5,R2,R3, 4,0xd8a1e681,14); + ROUND2(R3,R4,R5,R2, 9,0xe7d3fbc8,20); + ROUND2(R2,R3,R4,R5,14,0x21e1cde6, 5); + ROUND2(R5,R2,R3,R4, 3,0xc33707d6, 9); + ROUND2(R4,R5,R2,R3, 8,0xf4d50d87,14); + ROUND2(R3,R4,R5,R2,13,0x455a14ed,20); + ROUND2(R2,R3,R4,R5, 2,0xa9e3e905, 5); + ROUND2(R5,R2,R3,R4, 7,0xfcefa3f8, 9); + ROUND2(R4,R5,R2,R3,12,0x676f02d9,14); + ROUND2(R3,R4,R5,R2, 0,0x8d2a4c8a,20); + + MOVWBR (5*4)(R6), R8 + MOVWZ R4, R9 + +#define ROUND3(a, b, c, d, index, const, shift) \ + ADD $const, a; \ + ADD R8, a; \ + MOVWBR (index*4)(R6), R8; \ + XOR d, R9; \ + XOR b, R9; \ + ADD R9, a; \ + RLL $shift, a; \ + MOVWZ b, R9; \ + ADD b, a + + ROUND3(R2,R3,R4,R5, 8,0xfffa3942, 4); + ROUND3(R5,R2,R3,R4,11,0x8771f681,11); + ROUND3(R4,R5,R2,R3,14,0x6d9d6122,16); + ROUND3(R3,R4,R5,R2, 1,0xfde5380c,23); + ROUND3(R2,R3,R4,R5, 4,0xa4beea44, 4); + ROUND3(R5,R2,R3,R4, 7,0x4bdecfa9,11); + ROUND3(R4,R5,R2,R3,10,0xf6bb4b60,16); + ROUND3(R3,R4,R5,R2,13,0xbebfbc70,23); + ROUND3(R2,R3,R4,R5, 0,0x289b7ec6, 4); + ROUND3(R5,R2,R3,R4, 3,0xeaa127fa,11); + ROUND3(R4,R5,R2,R3, 6,0xd4ef3085,16); + ROUND3(R3,R4,R5,R2, 9, 0x4881d05,23); + ROUND3(R2,R3,R4,R5,12,0xd9d4d039, 4); + ROUND3(R5,R2,R3,R4,15,0xe6db99e5,11); + ROUND3(R4,R5,R2,R3, 2,0x1fa27cf8,16); + ROUND3(R3,R4,R5,R2, 0,0xc4ac5665,23); + + MOVWBR (0*4)(R6), R8 + MOVWZ $0xffffffff, R9 + XOR R5, R9 + +#define ROUND4(a, b, c, d, index, const, shift) \ + ADD $const, a; \ + ADD R8, a; \ + MOVWBR (index*4)(R6), R8; \ + OR b, R9; \ + XOR c, R9; \ + ADD R9, a; \ + MOVWZ $0xffffffff, R9; \ + RLL $shift, a; \ + XOR c, R9; \ + ADD b, a + + ROUND4(R2,R3,R4,R5, 7,0xf4292244, 6); + ROUND4(R5,R2,R3,R4,14,0x432aff97,10); + ROUND4(R4,R5,R2,R3, 5,0xab9423a7,15); + ROUND4(R3,R4,R5,R2,12,0xfc93a039,21); + ROUND4(R2,R3,R4,R5, 3,0x655b59c3, 6); + ROUND4(R5,R2,R3,R4,10,0x8f0ccc92,10); + ROUND4(R4,R5,R2,R3, 1,0xffeff47d,15); + ROUND4(R3,R4,R5,R2, 8,0x85845dd1,21); + ROUND4(R2,R3,R4,R5,15,0x6fa87e4f, 6); + ROUND4(R5,R2,R3,R4, 6,0xfe2ce6e0,10); + ROUND4(R4,R5,R2,R3,13,0xa3014314,15); + ROUND4(R3,R4,R5,R2, 4,0x4e0811a1,21); + ROUND4(R2,R3,R4,R5,11,0xf7537e82, 6); + ROUND4(R5,R2,R3,R4, 2,0xbd3af235,10); + ROUND4(R4,R5,R2,R3, 9,0x2ad7d2bb,15); + ROUND4(R3,R4,R5,R2, 0,0xeb86d391,21); + + MOVWZ tmp-16(SP), R1 + ADD R1, R2 + MOVWZ tmp-12(SP), R1 + ADD R1, R3 + MOVWZ tmp-8(SP), R1 + ADD R1, R4 + MOVWZ tmp-4(SP), R1 + ADD R1, R5 + + LA 64(R6), R6 + CMPBLT R6, R7, loop + +end: + MOVD dig+0(FP), R1 + STMY R2, R5, 0(R1) + RET |