From 2404dc8d0ac52ce5691a8782c12ad2ca784142ed Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se> Date: Wed, 12 Oct 2005 22:56:03 +0200 Subject: [PATCH] New file, with first attempt at md5 assembler. Not yet working. Rev: src/nettle/x86/md5-compress.asm:1.2 --- x86/md5-compress.asm | 155 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 154 insertions(+), 1 deletion(-) diff --git a/x86/md5-compress.asm b/x86/md5-compress.asm index 234d35bf..47143bd2 100644 --- a/x86/md5-compress.asm +++ b/x86/md5-compress.asm @@ -22,8 +22,161 @@ define(<SA>,<%eax>) define(<SB>,<%ebx>) define(<SC>,<%ecx>) define(<SD>,<%edx>) - +define(<TMP>,<%ebp>) +define(<TMP2>,<%edi>) +define(<INPUT>,<%esi>) define(<DATA>,<%esp>) C %ebp, %edi and %esi available for temporaries + +C F1(x,y,z) = (z ^ x) & (y ^ z) +define(<F1>, < + movl $3, TMP2 + movl $3, TMP + xorl $1, TMP2 + xorl $2, TMP + andl TMP, TMP>) + +define(<F2>,<F1($3, $1, $2)>) + +C F3(x,y,z) = x ^ y ^ z +define(<F3>,< + movl $1, TMP + xorl $2, TMP + xorl $3, TMP>) + +C F4(x,y,z) = y ^ (x | ~z) +define(<F4>,< + movl $3, TMP + notl TMP + orl $1, TMP + xorl $2, TMP>) + +define(<COPY>,< + movl OFFSET($1)(INPUT), TMP + movl TMP, OFFSET($1)(DATA) +>) + +define(<REF>,<OFFSET(eval(4 * $1))(DATA)>) + +C ROUND(f, w, x, y, z, k, data, s): +C w += f(x,y,z) + data + k +C w <<< s +C w += x +define(<ROUND>,< + addl $7, $2 + $1($3, $4, $5) + addl $6, $2 + addl TMP, $2 + roll <$>$8, $2 + addl $3, $2>) + + .file "md5-compress.asm" + + C _nettle_md5_compress(uint32_t *state, uint8_t *data) + .text + .align 16 +PROLOGUE(_nettle_md5_compress) + C save all registers that need to be saved + + pushl %ebx C 76(%esp) + pushl %ebp C 72(%esp) + pushl %esi C 68(%esp) + pushl %edi C 64(%esp) + + subl $64, %esp C %esp = W + + C load the state vector + movl 84(%esp),TMP + movl (TMP), SA + movl 4(TMP), SB + movl 8(TMP), SC + movl 12(TMP), SD + + C Pointer to source data. We copy it to aligned storage + C at %esp when we first use it. + movl 88(%esp), INPUT + + COPY( 0) ROUND(<F1>, SA, SB, SC, SD, TMP, $0xd76aa478, 7) + COPY( 1) ROUND(<F1>, SD, SA, SB, SC, TMP, $0xe8c7b756, 12) + COPY( 2) ROUND(<F1>, SC, SD, SA, SB, TMP, $0x242070db, 17) + COPY( 3) ROUND(<F1>, SB, SC, SD, SA, TMP, $0xc1bdceee, 22) + COPY( 4) ROUND(<F1>, SA, SB, SC, SD, TMP, $0xf57c0faf, 7) + COPY( 5) ROUND(<F1>, SD, SA, SB, SC, TMP, $0x4787c62a, 12) + COPY( 6) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xa8304613, 17) + COPY( 7) ROUND(<F1>, SB, SC, SD, SA, TMP, $0xfd469501, 22) + COPY( 8) ROUND(<F1>, SA, SB, SC, SD, TMP, $0x698098d8, 7) + COPY( 9) ROUND(<F1>, SD, SA, SB, SC, TMP, $0x8b44f7af, 12) + COPY(10) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xffff5bb1, 17) + COPY(11) ROUND(<F1>, SB, SC, SD, SA, TMP, $0x895cd7be, 22) + COPY(12) ROUND(<F1>, SA, SB, SC, SD, TMP, $0x6b901122, 7) + COPY(13) ROUND(<F1>, SD, SA, SB, SC, TMP, $0xfd987193, 12) + COPY(14) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xa679438e, 17) + COPY(15) ROUND(<F1>, SB, SC, SD, SA, TMP, $0x49b40821, 22) + + ROUND(<F2>, SA, SB, SC, SD, REF( 1), $0xf61e2562, 5) + ROUND(<F2>, SD, SA, SB, SC, REF( 6), $0xc040b340, 9) + ROUND(<F2>, SC, SD, SA, SB, REF(11), $0x265e5a51, 14) + ROUND(<F2>, SB, SC, SD, SA, REF( 0), $0xe9b6c7aa, 20) + ROUND(<F2>, SA, SB, SC, SD, REF( 5), $0xd62f105d, 5) + ROUND(<F2>, SD, SA, SB, SC, REF(10), $0x02441453, 9) + ROUND(<F2>, SC, SD, SA, SB, REF(15), $0xd8a1e681, 14) + ROUND(<F2>, SB, SC, SD, SA, REF( 4), $0xe7d3fbc8, 20) + ROUND(<F2>, SA, SB, SC, SD, REF( 9), $0x21e1cde6, 5) + ROUND(<F2>, SD, SA, SB, SC, REF(14), $0xc33707d6, 9) + ROUND(<F2>, SC, SD, SA, SB, REF( 3), $0xf4d50d87, 14) + ROUND(<F2>, SB, SC, SD, SA, REF( 8), $0x455a14ed, 20) + ROUND(<F2>, SA, SB, SC, SD, REF(13), $0xa9e3e905, 5) + ROUND(<F2>, SD, SA, SB, SC, REF( 2), $0xfcefa3f8, 9) + ROUND(<F2>, SC, SD, SA, SB, REF( 7), $0x676f02d9, 14) + ROUND(<F2>, SB, SC, SD, SA, REF(12), $0x8d2a4c8a, 20) + + ROUND(<F3>, SA, SB, SC, SD, REF( 5), $0xfffa3942, 4) + ROUND(<F3>, SD, SA, SB, SC, REF( 8), $0x8771f681, 11) + ROUND(<F3>, SC, SD, SA, SB, REF(11), $0x6d9d6122, 16) + ROUND(<F3>, SB, SC, SD, SA, REF(14), $0xfde5380c, 23) + ROUND(<F3>, SA, SB, SC, SD, REF( 1), $0xa4beea44, 4) + ROUND(<F3>, SD, SA, SB, SC, REF( 4), $0x4bdecfa9, 11) + ROUND(<F3>, SC, SD, SA, SB, REF( 7), $0xf6bb4b60, 16) + ROUND(<F3>, SB, SC, SD, SA, REF(10), $0xbebfbc70, 23) + ROUND(<F3>, SA, SB, SC, SD, REF(13), $0x289b7ec6, 4) + ROUND(<F3>, SD, SA, SB, SC, REF( 0), $0xeaa127fa, 11) + ROUND(<F3>, SC, SD, SA, SB, REF( 3), $0xd4ef3085, 16) + ROUND(<F3>, SB, SC, SD, SA, REF( 6), $0x04881d05, 23) + ROUND(<F3>, SA, SB, SC, SD, REF( 9), $0xd9d4d039, 4) + ROUND(<F3>, SD, SA, SB, SC, REF(12), $0xe6db99e5, 11) + ROUND(<F3>, SC, SD, SA, SB, REF(15), $0x1fa27cf8, 16) + ROUND(<F3>, SB, SC, SD, SA, REF( 2), $0xc4ac5665, 23) + + ROUND(<F4>, SA, SB, SC, SD, REF( 0), $0xf4292244, 6) + ROUND(<F4>, SD, SA, SB, SC, REF( 7), $0x432aff97, 10) + ROUND(<F4>, SC, SD, SA, SB, REF(14), $0xab9423a7, 15) + ROUND(<F4>, SB, SC, SD, SA, REF( 5), $0xfc93a039, 21) + ROUND(<F4>, SA, SB, SC, SD, REF(12), $0x655b59c3, 6) + ROUND(<F4>, SD, SA, SB, SC, REF( 3), $0x8f0ccc92, 10) + ROUND(<F4>, SC, SD, SA, SB, REF(10), $0xffeff47d, 15) + ROUND(<F4>, SB, SC, SD, SA, REF( 1), $0x85845dd1, 21) + ROUND(<F4>, SA, SB, SC, SD, REF( 8), $0x6fa87e4f, 6) + ROUND(<F4>, SD, SA, SB, SC, REF(15), $0xfe2ce6e0, 10) + ROUND(<F4>, SC, SD, SA, SB, REF( 6), $0xa3014314, 15) + ROUND(<F4>, SB, SC, SD, SA, REF(13), $0x4e0811a1, 21) + ROUND(<F4>, SA, SB, SC, SD, REF( 4), $0xf7537e82, 6) + ROUND(<F4>, SD, SA, SB, SC, REF(11), $0xbd3af235, 10) + ROUND(<F4>, SC, SD, SA, SB, REF( 2), $0x2ad7d2bb, 15) + ROUND(<F4>, SB, SC, SD, SA, REF( 9), $0xeb86d391, 21) + + C Update the state vector + movl 84(%esp),TMP + addl SA, (TMP) + addl SB, 4(TMP) + addl SC, 8(TMP) + addl SD, 12(TMP) + + addl $64, %esp + popl %edi + popl %esi + popl %ebp + popl %ebx + ret +EPILOGUE(_nettle_sha1_compress) -- GitLab