1,6 → 1,6 |
; libcrash -- cryptographic hash functions |
; |
; Copyright (C) 2012-2013 Ivan Baravy (dunkaist) |
; Copyright (C) 2012-2013,2016 Ivan Baravy (dunkaist) |
; |
; This program is free software: you can redistribute it and/or modify |
; it under the terms of the GNU General Public License as published by |
15,7 → 15,22 |
; You should have received a copy of the GNU General Public License |
; along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
macro crash.md5.f b, c, d |
|
MD5_BLOCK_SIZE = 64 |
MD5_HASH_SIZE = 16 |
MD5_ALIGN = 4 |
MD5_ALIGN_MASK = MD5_ALIGN - 1 |
|
struct ctx_md5 |
hash rb MD5_HASH_SIZE |
block rb MD5_BLOCK_SIZE |
index rd 1 |
msglen_0 rd 1 |
msglen_1 rd 1 |
ends |
|
|
macro md5._.f b, c, d |
{ |
push c |
xor c, d |
24,7 → 39,7 |
pop c |
} |
|
macro crash.md5.g b, c, d |
macro md5._.g b, c, d |
{ |
push c d |
and b, d |
34,13 → 49,13 |
pop d c |
} |
|
macro crash.md5.h b, c, d |
macro md5._.h b, c, d |
{ |
xor b, c |
xor b, d |
} |
|
macro crash.md5.i b, c, d |
macro md5._.i b, c, d |
{ |
push d |
not d |
49,7 → 64,7 |
pop d |
} |
|
macro crash.md5.round func, a, b, c, d, index, shift, ac |
macro md5._.round func, a, b, c, d, index, shift, ac |
{ |
push b |
func b, c, d |
61,88 → 76,204 |
} |
|
|
proc crash.md5 _md5, _data |
mov edi, [_md5] |
proc md5.init _ctx |
mov ebx, [_ctx] |
lea edi, [ebx + ctx_md5.hash] |
mov esi, md5._.hash_init |
mov ecx, MD5_HASH_SIZE/4 |
rep movsd |
xor eax, eax |
mov [ebx + ctx_md5.index], eax |
mov [ebx + ctx_md5.msglen_0], eax |
mov [ebx + ctx_md5.msglen_1], eax |
ret |
endp |
|
|
proc md5._.block _hash |
|
mov edi, [_hash] |
mov eax, [edi + 0x0] |
mov ebx, [edi + 0x4] |
mov ecx, [edi + 0x8] |
mov edx, [edi + 0xc] |
|
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 0, 7, 0xd76aa478 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 1, 12, 0xe8c7b756 |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 2, 17, 0x242070db |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 3, 22, 0xc1bdceee |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 4, 7, 0xf57c0faf |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 5, 12, 0x4787c62a |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 6, 17, 0xa8304613 |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 7, 22, 0xfd469501 |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 8, 7, 0x698098d8 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 9, 12, 0x8b44f7af |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 10, 17, 0xffff5bb1 |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 11, 22, 0x895cd7be |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 12, 7, 0x6b901122 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 13, 12, 0xfd987193 |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 14, 17, 0xa679438e |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 15, 22, 0x49b40821 |
md5._.round md5._.f, eax, ebx, ecx, edx, 0, 7, 0xd76aa478 |
md5._.round md5._.f, edx, eax, ebx, ecx, 1, 12, 0xe8c7b756 |
md5._.round md5._.f, ecx, edx, eax, ebx, 2, 17, 0x242070db |
md5._.round md5._.f, ebx, ecx, edx, eax, 3, 22, 0xc1bdceee |
md5._.round md5._.f, eax, ebx, ecx, edx, 4, 7, 0xf57c0faf |
md5._.round md5._.f, edx, eax, ebx, ecx, 5, 12, 0x4787c62a |
md5._.round md5._.f, ecx, edx, eax, ebx, 6, 17, 0xa8304613 |
md5._.round md5._.f, ebx, ecx, edx, eax, 7, 22, 0xfd469501 |
md5._.round md5._.f, eax, ebx, ecx, edx, 8, 7, 0x698098d8 |
md5._.round md5._.f, edx, eax, ebx, ecx, 9, 12, 0x8b44f7af |
md5._.round md5._.f, ecx, edx, eax, ebx, 10, 17, 0xffff5bb1 |
md5._.round md5._.f, ebx, ecx, edx, eax, 11, 22, 0x895cd7be |
md5._.round md5._.f, eax, ebx, ecx, edx, 12, 7, 0x6b901122 |
md5._.round md5._.f, edx, eax, ebx, ecx, 13, 12, 0xfd987193 |
md5._.round md5._.f, ecx, edx, eax, ebx, 14, 17, 0xa679438e |
md5._.round md5._.f, ebx, ecx, edx, eax, 15, 22, 0x49b40821 |
|
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 1, 5, 0xf61e2562 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 6, 9, 0xc040b340 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 11, 14, 0x265e5a51 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 0, 20, 0xe9b6c7aa |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 5, 5, 0xd62f105d |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 10, 9, 0x02441453 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 15, 14, 0xd8a1e681 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 4, 20, 0xe7d3fbc8 |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 9, 5, 0x21e1cde6 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 14, 9, 0xc33707d6 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 3, 14, 0xf4d50d87 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 8, 20, 0x455a14ed |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 13, 5, 0xa9e3e905 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 2, 9, 0xfcefa3f8 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 7, 14, 0x676f02d9 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 12, 20, 0x8d2a4c8a |
md5._.round md5._.g, eax, ebx, ecx, edx, 1, 5, 0xf61e2562 |
md5._.round md5._.g, edx, eax, ebx, ecx, 6, 9, 0xc040b340 |
md5._.round md5._.g, ecx, edx, eax, ebx, 11, 14, 0x265e5a51 |
md5._.round md5._.g, ebx, ecx, edx, eax, 0, 20, 0xe9b6c7aa |
md5._.round md5._.g, eax, ebx, ecx, edx, 5, 5, 0xd62f105d |
md5._.round md5._.g, edx, eax, ebx, ecx, 10, 9, 0x02441453 |
md5._.round md5._.g, ecx, edx, eax, ebx, 15, 14, 0xd8a1e681 |
md5._.round md5._.g, ebx, ecx, edx, eax, 4, 20, 0xe7d3fbc8 |
md5._.round md5._.g, eax, ebx, ecx, edx, 9, 5, 0x21e1cde6 |
md5._.round md5._.g, edx, eax, ebx, ecx, 14, 9, 0xc33707d6 |
md5._.round md5._.g, ecx, edx, eax, ebx, 3, 14, 0xf4d50d87 |
md5._.round md5._.g, ebx, ecx, edx, eax, 8, 20, 0x455a14ed |
md5._.round md5._.g, eax, ebx, ecx, edx, 13, 5, 0xa9e3e905 |
md5._.round md5._.g, edx, eax, ebx, ecx, 2, 9, 0xfcefa3f8 |
md5._.round md5._.g, ecx, edx, eax, ebx, 7, 14, 0x676f02d9 |
md5._.round md5._.g, ebx, ecx, edx, eax, 12, 20, 0x8d2a4c8a |
|
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 5, 4, 0xfffa3942 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 8, 11, 0x8771f681 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 11, 16, 0x6d9d6122 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 14, 23, 0xfde5380c |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 1, 4, 0xa4beea44 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 4, 11, 0x4bdecfa9 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 7, 16, 0xf6bb4b60 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 10, 23, 0xbebfbc70 |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 13, 4, 0x289b7ec6 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 0, 11, 0xeaa127fa |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 3, 16, 0xd4ef3085 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 6, 23, 0x04881d05 |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 9, 4, 0xd9d4d039 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 12, 11, 0xe6db99e5 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 15, 16, 0x1fa27cf8 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 2, 23, 0xc4ac5665 |
md5._.round md5._.h, eax, ebx, ecx, edx, 5, 4, 0xfffa3942 |
md5._.round md5._.h, edx, eax, ebx, ecx, 8, 11, 0x8771f681 |
md5._.round md5._.h, ecx, edx, eax, ebx, 11, 16, 0x6d9d6122 |
md5._.round md5._.h, ebx, ecx, edx, eax, 14, 23, 0xfde5380c |
md5._.round md5._.h, eax, ebx, ecx, edx, 1, 4, 0xa4beea44 |
md5._.round md5._.h, edx, eax, ebx, ecx, 4, 11, 0x4bdecfa9 |
md5._.round md5._.h, ecx, edx, eax, ebx, 7, 16, 0xf6bb4b60 |
md5._.round md5._.h, ebx, ecx, edx, eax, 10, 23, 0xbebfbc70 |
md5._.round md5._.h, eax, ebx, ecx, edx, 13, 4, 0x289b7ec6 |
md5._.round md5._.h, edx, eax, ebx, ecx, 0, 11, 0xeaa127fa |
md5._.round md5._.h, ecx, edx, eax, ebx, 3, 16, 0xd4ef3085 |
md5._.round md5._.h, ebx, ecx, edx, eax, 6, 23, 0x04881d05 |
md5._.round md5._.h, eax, ebx, ecx, edx, 9, 4, 0xd9d4d039 |
md5._.round md5._.h, edx, eax, ebx, ecx, 12, 11, 0xe6db99e5 |
md5._.round md5._.h, ecx, edx, eax, ebx, 15, 16, 0x1fa27cf8 |
md5._.round md5._.h, ebx, ecx, edx, eax, 2, 23, 0xc4ac5665 |
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crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 0, 6, 0xf4292244 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 7, 10, 0x432aff97 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 14, 15, 0xab9423a7 |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 5, 21, 0xfc93a039 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 12, 6, 0x655b59c3 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 3, 10, 0x8f0ccc92 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 10, 15, 0xffeff47d |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 1, 21, 0x85845dd1 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 8, 6, 0x6fa87e4f |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 15, 10, 0xfe2ce6e0 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 6, 15, 0xa3014314 |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 13, 21, 0x4e0811a1 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 4, 6, 0xf7537e82 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 11, 10, 0xbd3af235 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 2, 15, 0x2ad7d2bb |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 9, 21, 0xeb86d391 |
md5._.round md5._.i, eax, ebx, ecx, edx, 0, 6, 0xf4292244 |
md5._.round md5._.i, edx, eax, ebx, ecx, 7, 10, 0x432aff97 |
md5._.round md5._.i, ecx, edx, eax, ebx, 14, 15, 0xab9423a7 |
md5._.round md5._.i, ebx, ecx, edx, eax, 5, 21, 0xfc93a039 |
md5._.round md5._.i, eax, ebx, ecx, edx, 12, 6, 0x655b59c3 |
md5._.round md5._.i, edx, eax, ebx, ecx, 3, 10, 0x8f0ccc92 |
md5._.round md5._.i, ecx, edx, eax, ebx, 10, 15, 0xffeff47d |
md5._.round md5._.i, ebx, ecx, edx, eax, 1, 21, 0x85845dd1 |
md5._.round md5._.i, eax, ebx, ecx, edx, 8, 6, 0x6fa87e4f |
md5._.round md5._.i, edx, eax, ebx, ecx, 15, 10, 0xfe2ce6e0 |
md5._.round md5._.i, ecx, edx, eax, ebx, 6, 15, 0xa3014314 |
md5._.round md5._.i, ebx, ecx, edx, eax, 13, 21, 0x4e0811a1 |
md5._.round md5._.i, eax, ebx, ecx, edx, 4, 6, 0xf7537e82 |
md5._.round md5._.i, edx, eax, ebx, ecx, 11, 10, 0xbd3af235 |
md5._.round md5._.i, ecx, edx, eax, ebx, 2, 15, 0x2ad7d2bb |
md5._.round md5._.i, ebx, ecx, edx, eax, 9, 21, 0xeb86d391 |
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mov edi, [_md5] |
mov edi, [_hash] |
add [edi + 0x0], eax |
add [edi + 0x4], ebx |
add [edi + 0x8], ecx |
add [edi + 0xc], edx |
add esi, 64 |
|
ret |
endp |
|
|
proc md5.update _ctx, _msg, _size |
mov ebx, [_ctx] |
mov ecx, [_size] |
add [ebx + ctx_md5.msglen_0], ecx |
adc [ebx + ctx_md5.msglen_1], 0 |
|
.next_block: |
mov ebx, [_ctx] |
mov esi, [_msg] |
mov eax, [ebx + ctx_md5.index] |
and eax, MD5_BLOCK_SIZE-1 |
jnz .copy_to_buf |
test esi, MD5_ALIGN_MASK |
jnz .copy_to_buf |
.no_copy: |
; data is aligned, hash it in place without copying |
mov ebx, [_ctx] |
cmp [_size], MD5_BLOCK_SIZE |
jb .copy_quit |
lea eax, [ebx + ctx_md5.hash] |
stdcall md5._.block, eax |
sub [_size], MD5_BLOCK_SIZE |
add esi, MD5_BLOCK_SIZE |
jmp .no_copy |
|
.copy_to_buf: |
lea edi, [ebx + ctx_md5.block] |
add edi, eax |
mov ecx, MD5_BLOCK_SIZE |
sub ecx, eax |
cmp [_size], ecx |
jb .copy_quit |
sub [_size], ecx |
add [_msg], ecx |
add [ebx + ctx_md5.index], ecx |
rep movsb |
lea eax, [ebx + ctx_md5.hash] |
lea esi, [ebx + ctx_md5.block] |
stdcall md5._.block, eax |
jmp .next_block |
|
.copy_quit: |
mov ebx, [_ctx] |
lea edi, [ebx + ctx_md5.block] |
mov eax, [ebx + ctx_md5.index] |
and eax, MD5_BLOCK_SIZE-1 |
add edi, eax |
mov ecx, [_size] |
add [ebx + ctx_md5.index], ecx |
rep movsb |
.quit: |
|
ret |
endp |
|
|
proc md5.final _ctx |
mov ebx, [_ctx] |
lea edi, [ebx + ctx_md5.block] |
mov ecx, [ebx + ctx_md5.msglen_0] |
and ecx, MD5_BLOCK_SIZE-1 |
add edi, ecx |
mov byte[edi], 0x80 |
inc edi |
neg ecx |
add ecx, MD5_BLOCK_SIZE |
cmp ecx, 8 |
ja .last |
|
dec ecx |
xor eax, eax |
rep stosb |
lea esi, [ebx + ctx_md5.block] |
lea eax, [ebx + ctx_md5.hash] |
stdcall md5._.block, eax |
mov ebx, [_ctx] |
lea edi, [ebx + ctx_md5.block] |
mov ecx, MD5_BLOCK_SIZE+1 |
.last: |
dec ecx |
sub ecx, 8 |
xor eax, eax |
rep stosb |
mov eax, [ebx + ctx_md5.msglen_0] |
mov edx, [ebx + ctx_md5.msglen_1] |
shld edx, eax, 3 |
shl eax, 3 |
mov dword[edi], eax |
mov dword[edi+4], edx |
lea esi, [ebx + ctx_md5.block] |
lea eax, [ebx + ctx_md5.hash] |
stdcall md5._.block, eax |
|
ret |
endp |
|
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align MD5_ALIGN |
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md5._.hash_init dd 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 |
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