mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-27 00:39:41 +03:00
f8ff581ce7
move common code parts from all the *hash*.asm files to libcrash.asm replace procedures to macroses in sha1 in favour of readability and uniformity add license notes git-svn-id: svn://kolibrios.org@3431 a494cfbc-eb01-0410-851d-a64ba20cac60
228 lines
4.8 KiB
NASM
228 lines
4.8 KiB
NASM
; libcrash -- cryptographic hash functions
|
|
;
|
|
; Copyright (C) 2012-2013 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
|
|
; the Free Software Foundation, either version 3 of the License, or
|
|
; (at your option) any later version.
|
|
;
|
|
; This program is distributed in the hope that it will be useful,
|
|
; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
; GNU General Public License for more details.
|
|
;
|
|
; 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 chn x, y, z
|
|
{
|
|
mov eax, [y]
|
|
xor eax, [z]
|
|
and eax, [x]
|
|
xor eax, [z]
|
|
}
|
|
|
|
macro maj x, y, z
|
|
{
|
|
mov eax, [x]
|
|
xor eax, [y]
|
|
and eax, [z]
|
|
mov ecx, [x]
|
|
and ecx, [y]
|
|
xor eax, ecx
|
|
}
|
|
|
|
macro Sigma0 x
|
|
{
|
|
mov eax, x
|
|
mov ecx, eax
|
|
ror ecx, 2
|
|
ror eax, 13
|
|
xor eax, ecx
|
|
mov ecx, x
|
|
ror ecx, 22
|
|
xor eax, ecx
|
|
}
|
|
|
|
macro Sigma1 x
|
|
{
|
|
mov eax, x
|
|
mov ecx, eax
|
|
ror ecx, 6
|
|
ror eax, 11
|
|
xor eax, ecx
|
|
mov ecx, x
|
|
ror ecx, 25
|
|
xor eax, ecx
|
|
}
|
|
|
|
macro sigma0 x
|
|
{
|
|
mov eax, x
|
|
mov ecx, eax
|
|
ror ecx, 7
|
|
ror eax, 18
|
|
xor eax, ecx
|
|
mov ecx, x
|
|
shr ecx, 3
|
|
xor eax, ecx
|
|
}
|
|
|
|
macro sigma1 x
|
|
{
|
|
mov eax, x
|
|
mov ecx, eax
|
|
ror ecx, 17
|
|
ror eax, 19
|
|
xor eax, ecx
|
|
mov ecx, x
|
|
shr ecx, 10
|
|
xor eax, ecx
|
|
}
|
|
|
|
macro recalculate_w n
|
|
{
|
|
mov edx, [w + ((n-2) and 15)*4]
|
|
sigma1 edx
|
|
add eax, [w + ((n-7) and 15)*4]
|
|
push eax
|
|
mov edx, [w + ((n-15) and 15)*4]
|
|
sigma0 edx
|
|
pop ecx
|
|
add eax, ecx
|
|
add [w + (n)*4], eax
|
|
}
|
|
|
|
macro crash.sha256.round a, b, c, d, e, f, g, h, k
|
|
{
|
|
mov ebx, [h]
|
|
mov edx, [e]
|
|
Sigma1 edx
|
|
|
|
add ebx, eax
|
|
chn e, f, g
|
|
|
|
add ebx, eax
|
|
add ebx, [k]
|
|
add ebx, edi
|
|
|
|
add [d], ebx
|
|
|
|
mov edx, [a]
|
|
Sigma0 edx
|
|
add ebx, eax
|
|
maj a, b, c
|
|
add eax, ebx
|
|
mov [h], eax
|
|
}
|
|
|
|
|
|
macro crash.sha256.round_1_16 a, b, c, d, e, f, g, h, n
|
|
{
|
|
|
|
mov eax, [esi + (n)*4]
|
|
bswap eax
|
|
|
|
mov dword[w + (n)*4], eax
|
|
mov edi, eax
|
|
crash.sha256.round a, b, c, d, e, f, g, h, (crash._.sha256_table + (n)*4)
|
|
}
|
|
|
|
macro crash.sha256.round_17_64 a, b, c, d, e, f, g, h, n, rep_num
|
|
{
|
|
recalculate_w n
|
|
mov edi, [w + (n)*4]
|
|
crash.sha256.round a, b, c, d, e, f, g, h, (crash._.sha256_table + (n+16*rep_num)*4)
|
|
}
|
|
|
|
|
|
proc crash.sha256 _sha256, _data
|
|
locals
|
|
w rd 64
|
|
A rd 1
|
|
B rd 1
|
|
C rd 1
|
|
D rd 1
|
|
E rd 1
|
|
F rd 1
|
|
G rd 1
|
|
H rd 1
|
|
endl
|
|
mov edi, [_sha256]
|
|
mov eax, [edi + 0x00]
|
|
mov [A], eax
|
|
mov eax, [edi + 0x04]
|
|
mov [B], eax
|
|
mov eax, [edi + 0x08]
|
|
mov [C], eax
|
|
mov eax, [edi + 0x0c]
|
|
mov [D], eax
|
|
mov eax, [edi + 0x10]
|
|
mov [E], eax
|
|
mov eax, [edi + 0x14]
|
|
mov [F], eax
|
|
mov eax, [edi + 0x18]
|
|
mov [G], eax
|
|
mov eax, [edi + 0x1c]
|
|
mov [H], eax
|
|
|
|
crash.sha256.round_1_16 A, B, C, D, E, F, G, H, 0
|
|
crash.sha256.round_1_16 H, A, B, C, D, E, F, G, 1
|
|
crash.sha256.round_1_16 G, H, A, B, C, D, E, F, 2
|
|
crash.sha256.round_1_16 F, G, H, A, B, C, D, E, 3
|
|
crash.sha256.round_1_16 E, F, G, H, A, B, C, D, 4
|
|
crash.sha256.round_1_16 D, E, F, G, H, A, B, C, 5
|
|
crash.sha256.round_1_16 C, D, E, F, G, H, A, B, 6
|
|
crash.sha256.round_1_16 B, C, D, E, F, G, H, A, 7
|
|
crash.sha256.round_1_16 A, B, C, D, E, F, G, H, 8
|
|
crash.sha256.round_1_16 H, A, B, C, D, E, F, G, 9
|
|
crash.sha256.round_1_16 G, H, A, B, C, D, E, F, 10
|
|
crash.sha256.round_1_16 F, G, H, A, B, C, D, E, 11
|
|
crash.sha256.round_1_16 E, F, G, H, A, B, C, D, 12
|
|
crash.sha256.round_1_16 D, E, F, G, H, A, B, C, 13
|
|
crash.sha256.round_1_16 C, D, E, F, G, H, A, B, 14
|
|
crash.sha256.round_1_16 B, C, D, E, F, G, H, A, 15
|
|
|
|
repeat 3
|
|
crash.sha256.round_17_64 A, B, C, D, E, F, G, H, 0, %
|
|
crash.sha256.round_17_64 H, A, B, C, D, E, F, G, 1, %
|
|
crash.sha256.round_17_64 G, H, A, B, C, D, E, F, 2, %
|
|
crash.sha256.round_17_64 F, G, H, A, B, C, D, E, 3, %
|
|
crash.sha256.round_17_64 E, F, G, H, A, B, C, D, 4, %
|
|
crash.sha256.round_17_64 D, E, F, G, H, A, B, C, 5, %
|
|
crash.sha256.round_17_64 C, D, E, F, G, H, A, B, 6, %
|
|
crash.sha256.round_17_64 B, C, D, E, F, G, H, A, 7, %
|
|
crash.sha256.round_17_64 A, B, C, D, E, F, G, H, 8, %
|
|
crash.sha256.round_17_64 H, A, B, C, D, E, F, G, 9, %
|
|
crash.sha256.round_17_64 G, H, A, B, C, D, E, F, 10, %
|
|
crash.sha256.round_17_64 F, G, H, A, B, C, D, E, 11, %
|
|
crash.sha256.round_17_64 E, F, G, H, A, B, C, D, 12, %
|
|
crash.sha256.round_17_64 D, E, F, G, H, A, B, C, 13, %
|
|
crash.sha256.round_17_64 C, D, E, F, G, H, A, B, 14, %
|
|
crash.sha256.round_17_64 B, C, D, E, F, G, H, A, 15, %
|
|
end repeat
|
|
|
|
mov edi, [_sha256]
|
|
mov eax, [A]
|
|
add [edi + 0x00], eax
|
|
mov eax, [B]
|
|
add [edi + 0x04], eax
|
|
mov eax, [C]
|
|
add [edi + 0x08], eax
|
|
mov eax, [D]
|
|
add [edi + 0x0c], eax
|
|
mov eax, [E]
|
|
add [edi + 0x10], eax
|
|
mov eax, [F]
|
|
add [edi + 0x14], eax
|
|
mov eax, [G]
|
|
add [edi + 0x18], eax
|
|
mov eax, [H]
|
|
add [edi + 0x1c], eax
|
|
add esi, 64
|
|
|
|
ret
|
|
endp
|
|
|