kolibrios/programs/develop/libraries/libcrash/trunk/md5.asm
Ivan Baravy 595e11fbff libcrash: cryptographic hash functions
git-svn-id: svn://kolibrios.org@3115 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-15 17:23:23 +00:00

191 lines
5.9 KiB
NASM

macro crash.md5.f b, c, d
{
push c
xor c, d
and b, c
xor b, d
pop c
}
macro crash.md5.g b, c, d
{
push c d
and b, d
not d
and c, d
or b, c
pop d c
}
macro crash.md5.h b, c, d
{
xor b, c
xor b, d
}
macro crash.md5.i b, c, d
{
push d
not d
or b, d
xor b, c
pop d
}
macro crash.md5.round func, a, b, c, d, index, shift, ac
{
push b
func b, c, d
lea a, [a + b + ac]
add a, [esi + index*4]
rol a, shift
pop b
add a, b
}
proc crash.md5 _md5, _data, _len, _callback, _msglen
locals
final rd 1
endl
mov [final], 0
.first:
mov eax, [_msglen]
mov ecx, [_len]
add [eax], ecx
mov esi, [_data]
test ecx, ecx
jz .callback
.begin:
sub [_len], 64
jnc @f
add [_len], 64
jmp .endofblock
@@:
mov edi, [_md5]
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
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
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
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
mov edi, [_md5]
add [edi + 0x0], eax
add [edi + 0x4], ebx
add [edi + 0x8], ecx
add [edi + 0xc], edx
add esi, 64
jmp .begin
.endofblock:
cmp [final], 1
je .quit
.callback:
mov eax, [_callback]
test eax, eax
jz @f
call eax
test eax, eax
jz @f
mov [_len], eax
jmp .first
@@:
mov edi, [_data]
mov ecx, [_len]
rep movsb
mov eax, [_msglen]
mov eax, [eax]
and eax, 63
mov ecx, 56
sub ecx, eax
ja @f
add ecx, 64
@@:
add [_len], ecx
mov byte[edi], 0x80
add edi, 1
sub ecx, 1
mov al, 0
rep stosb
mov eax, [_msglen]
mov eax, [eax]
mov edx, 8
mul edx
mov dword[edi], eax
mov dword[edi + 4], edx
add [_len], 8
mov [final], 1
jmp .first
.quit:
ret
endp