libcrash: sync with upstream.

* Implement new algorithms:
  - MACs: Poly1305, HMAC (SHA2_256, SHA2_512),
  - ciphers: ChaCha20, AES256CTR, AES256CBC.
* Remove MD4 hash.
* Change API (it happens).
* Update crashtest example.


git-svn-id: svn://kolibrios.org@9216 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
2021-10-15 00:52:46 +00:00
parent 34050385a4
commit 553742f877
31 changed files with 4605 additions and 1621 deletions

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; libcrash -- cryptographic hash (and other) functions
;
; Copyright (C) <2012-2013,2016,2019,2021> Ivan Baravy
;
; SPDX-License-Identifier: GPL-2.0-or-later
;
; 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 2 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/>.
CRC32_BLOCK_SIZE = 1
CRC32_ALIGN = 4
CRC32_ALIGN_MASK = CRC32_ALIGN - 1
struct ctx_crc32
hash rd 1
ends
assert sizeof.ctx_crc32 <= LIBCRASH_CTX_LEN
proc crc32.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_crc32.hash]
mov esi, crc32._.hash_init
mov ecx, 1
rep movsd
ret
endp
proc crc32.update uses ebx esi edi, _ctx, _msg, _size
mov ebx, [_ctx]
mov esi, [_msg]
lea edi, [ebx + ctx_crc32.hash]
mov eax, [edi]
mov ecx, [_size]
jecxz .quit
@@:
movzx edx, al
xor dl, byte[esi]
add esi, 1
shr eax, 8
xor eax, [crc32._.table + edx*4]
dec ecx
jnz @b
stosd
.quit:
ret
endp
proc crc32.finish uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea esi, [ebx + ctx_crc32.hash]
mov edi, esi
lodsd
xor eax, 0xffffffff
bswap eax
stosd
ret
endp
proc crc32.oneshot _ctx, _data, _len
stdcall crc32.init, [_ctx]
stdcall crc32.update, [_ctx], [_data], [_len]
stdcall crc32.finish, [_ctx]
ret
endp
iglobal
align CRC32_ALIGN
crc32._.hash_init dd 0xffffffff
crc32._.table dd \
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,\
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,\
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,\
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,\
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,\
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,\
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,\
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,\
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,\
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,\
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,\
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,\
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,\
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,\
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,\
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,\
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,\
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,\
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,\
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,\
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,\
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,\
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,\
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,\
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,\
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,\
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,\
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,\
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,\
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,\
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,\
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,\
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,\
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,\
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,\
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,\
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,\
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,\
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,\
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,\
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,\
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,\
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
endg

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; libcrash -- cryptographic hash (and other) functions
;
; Copyright (C) <2012-2013,2016,2019,2021> Ivan Baravy
;
; SPDX-License-Identifier: GPL-2.0-or-later
;
; 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 2 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/>.
MD5_BLOCK_SIZE = 64
MD5_ALIGN = 4
MD5_ALIGN_MASK = MD5_ALIGN - 1
struct ctx_md5
hash rb MD5_LEN
block rb MD5_BLOCK_SIZE
index rd 1
msglen_0 rd 1
msglen_1 rd 1
ends
assert sizeof.ctx_md5 <= LIBCRASH_CTX_LEN
macro md5._.f b, c, d
{
push c
xor c, d
and b, c
xor b, d
pop c
}
macro md5._.g b, c, d
{
push c d
and b, d
not d
and c, d
or b, c
pop d c
}
macro md5._.h b, c, d
{
xor b, c
xor b, d
}
macro md5._.i b, c, d
{
push d
not d
or b, d
xor b, c
pop d
}
macro 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 md5.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_md5.hash]
mov esi, md5._.hash_init
mov ecx, MD5_LEN/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]
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
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
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
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
mov edi, [_hash]
add [edi + 0x0], eax
add [edi + 0x4], ebx
add [edi + 0x8], ecx
add [edi + 0xc], edx
ret
endp
proc md5.update uses ebx esi edi, _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.finish uses ebx esi edi, _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
proc md5.oneshot _ctx, _data, _len
stdcall md5.init, [_ctx]
stdcall md5.update, [_ctx], [_data], [_len]
stdcall md5.finish, [_ctx]
ret
endp
iglobal
align MD5_ALIGN
md5._.hash_init dd 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
endg

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; libcrash -- cryptographic hash (and other) functions
;
; Copyright (C) <2012-2013,2016,2019,2021> Ivan Baravy
;
; SPDX-License-Identifier: GPL-2.0-or-later
;
; 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 2 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/>.
SHA1_BLOCK_SIZE = 64
SHA1_ALIGN = 4
SHA1_ALIGN_MASK = SHA1_ALIGN - 1
struct ctx_sha1
hash rb SHA1_LEN
block rb SHA1_BLOCK_SIZE
index rd 1
msglen_0 rd 1
msglen_1 rd 1
ends
assert sizeof.ctx_sha1 <= LIBCRASH_CTX_LEN
proc sha1._.f
push ebx ecx edx
xor ecx, edx
and ebx, ecx
xor ebx, edx
mov esi, ebx
pop edx ecx ebx
ret
endp
proc sha1._.g
push ebx ecx edx
xor ebx, ecx
xor ebx, edx
mov esi, ebx
pop edx ecx ebx
ret
endp
proc sha1._.h
push ebx ecx edx
mov esi, ebx
and ebx, ecx
and ecx, edx
and esi, edx
or ebx, ecx
or esi, ebx
pop edx ecx ebx
ret
endp
macro sha1._.round f, k, c
{
mov esi, eax
rol esi, 5
mov [temp], esi
call f
add esi, edi
add [temp], esi
mov esi, [w + (c)*4]
add esi, k
add [temp], esi
mov edi, edx
mov edx, ecx
mov ecx, ebx
rol ecx, 30
mov ebx, eax
mov eax, [temp]
}
proc sha1.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha1.hash]
mov esi, sha1._.hash_init
mov ecx, SHA1_LEN/4
rep movsd
xor eax, eax
mov [ebx + ctx_sha1.index], eax
mov [ebx + ctx_sha1.msglen_0], eax
mov [ebx + ctx_sha1.msglen_1], eax
ret
endp
proc sha1._.block _hash
locals
temp rd 1
w rd 80
endl
lea edi, [w]
xor ecx, ecx
@@:
mov eax, [esi]
add esi, 4
bswap eax
mov [edi], eax
add edi, 4
add ecx, 1
cmp ecx, 16
jne @b
@@:
mov eax, [w + (ecx - 3)*4]
xor eax, [w + (ecx - 8)*4]
xor eax, [w + (ecx - 14)*4]
xor eax, [w + (ecx - 16)*4]
rol eax, 1
mov [w + ecx*4], eax
add ecx, 1
cmp ecx, 80
jne @b
mov edi, [_hash]
mov eax, [edi + 0x00]
mov ebx, [edi + 0x04]
mov ecx, [edi + 0x08]
mov edx, [edi + 0x0c]
mov edi, [edi + 0x10]
push esi
repeat 20
sha1._.round sha1._.f, 0x5a827999, %-1
end repeat
repeat 20
sha1._.round sha1._.g, 0x6ed9eba1, %-1+20
end repeat
repeat 20
sha1._.round sha1._.h, 0x8f1bbcdc, %-1+40
end repeat
repeat 20
sha1._.round sha1._.g, 0xca62c1d6, %-1+60
end repeat
pop esi
mov [temp], edi
mov edi, [_hash]
add [edi + 0x00], eax
add [edi + 0x04], ebx
add [edi + 0x08], ecx
add [edi + 0x0c], edx
mov eax, [temp]
add [edi + 0x10], eax
ret
endp
proc sha1.update uses ebx esi edi, _ctx, _msg, _size
mov ebx, [_ctx]
mov ecx, [_size]
add [ebx + ctx_sha1.msglen_0], ecx
adc [ebx + ctx_sha1.msglen_1], 0
.next_block:
mov ebx, [_ctx]
mov esi, [_msg]
mov eax, [ebx + ctx_sha1.index]
and eax, SHA1_BLOCK_SIZE-1
jnz .copy_to_buf
test esi, SHA1_ALIGN_MASK
jnz .copy_to_buf
.no_copy:
; data is aligned, hash it in place without copying
mov ebx, [_ctx]
cmp [_size], SHA1_BLOCK_SIZE
jb .copy_quit
lea eax, [ebx + ctx_sha1.hash]
stdcall sha1._.block, eax
sub [_size], SHA1_BLOCK_SIZE
; add esi, SHA1_BLOCK_SIZE ; FIXME
jmp .no_copy
.copy_to_buf:
lea edi, [ebx + ctx_sha1.block]
add edi, eax
mov ecx, SHA1_BLOCK_SIZE
sub ecx, eax
cmp [_size], ecx
jb .copy_quit
sub [_size], ecx
add [_msg], ecx
add [ebx + ctx_sha1.index], ecx
rep movsb
lea eax, [ebx + ctx_sha1.hash]
lea esi, [ebx + ctx_sha1.block]
stdcall sha1._.block, eax
jmp .next_block
.copy_quit:
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha1.block]
mov eax, [ebx + ctx_sha1.index]
and eax, SHA1_BLOCK_SIZE-1
add edi, eax
mov ecx, [_size]
add [ebx + ctx_sha1.index], ecx
rep movsb
.quit:
ret
endp
proc sha1.finish uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha1.block]
mov ecx, [ebx + ctx_sha1.msglen_0]
and ecx, SHA1_BLOCK_SIZE-1
add edi, ecx
mov byte[edi], 0x80
inc edi
neg ecx
add ecx, SHA1_BLOCK_SIZE
cmp ecx, 8
ja .last
dec ecx
xor eax, eax
rep stosb
lea esi, [ebx + ctx_sha1.block]
lea eax, [ebx + ctx_sha1.hash]
stdcall sha1._.block, eax
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha1.block]
mov ecx, SHA1_BLOCK_SIZE+1
.last:
dec ecx
sub ecx, 8
xor eax, eax
rep stosb
mov eax, [ebx + ctx_sha1.msglen_0]
mov edx, [ebx + ctx_sha1.msglen_1]
shld edx, eax, 3
shl eax, 3
bswap eax
bswap edx
mov dword[edi], edx
mov dword[edi+4], eax
lea esi, [ebx + ctx_sha1.block]
lea eax, [ebx + ctx_sha1.hash]
stdcall sha1._.block, eax
mov ebx, [_ctx]
lea eax, [ebx + ctx_sha1.hash]
stdcall sha1._.postprocess, ebx, eax
ret
endp
proc sha1._.postprocess _ctx, _hash
mov ecx, 5
mov esi, [_hash]
mov edi, esi
@@:
lodsd
bswap eax
stosd
dec ecx
jnz @b
ret
endp
proc sha1.oneshot _ctx, _data, _len
stdcall sha1.init, [_ctx]
stdcall sha1.update, [_ctx], [_data], [_len]
stdcall sha1.finish, [_ctx]
ret
endp
iglobal
align SHA1_ALIGN
sha1._.hash_init dd 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
endg

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@@ -0,0 +1,436 @@
; libcrash -- cryptographic hash (and other) functions
;
; Copyright (C) <2012-2013,2016,2019,2021> Ivan Baravy
;
; SPDX-License-Identifier: GPL-2.0-or-later
;
; 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 2 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/>.
SHA2_224256_BLOCK_SIZE = 64
SHA2_224_BLOCK_SIZE = SHA2_224256_BLOCK_SIZE
SHA2_256_BLOCK_SIZE = SHA2_224256_BLOCK_SIZE
SHA2_224256_INIT_SIZE = 32
SHA2_224256_ALIGN = 4
SHA2_224256_ALIGN_MASK = SHA2_224256_ALIGN - 1
struct ctx_sha2_224256
hash rb SHA2_224256_INIT_SIZE
block rb SHA2_224256_BLOCK_SIZE
index rd 1
msglen_0 rd 1
msglen_1 rd 1
ends
assert sizeof.ctx_sha2_224256 <= LIBCRASH_CTX_LEN
macro sha2_224256._.chn x, y, z
{
mov eax, [y]
xor eax, [z]
and eax, [x]
xor eax, [z]
}
macro sha2_224256._.maj x, y, z
{
mov eax, [x]
xor eax, [y]
and eax, [z]
mov ecx, [x]
and ecx, [y]
xor eax, ecx
}
macro sha2_224256._.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 sha2_224256._.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 sha2_224256._.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 sha2_224256._.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 sha2_224256._.recalculate_w n
{
mov edx, [w + ((n-2) and 15)*4]
sha2_224256._.sigma1 edx
add eax, [w + ((n-7) and 15)*4]
push eax
mov edx, [w + ((n-15) and 15)*4]
sha2_224256._.sigma0 edx
pop ecx
add eax, ecx
add [w + (n)*4], eax
}
macro sha2_224256._.round a, b, c, d, e, f, g, h, k
{
mov ebx, [h]
mov edx, [e]
sha2_224256._.Sigma1 edx
add ebx, eax
sha2_224256._.chn e, f, g
add ebx, eax
add ebx, [k]
add ebx, edi
add [d], ebx
mov edx, [a]
sha2_224256._.Sigma0 edx
add ebx, eax
sha2_224256._.maj a, b, c
add eax, ebx
mov [h], eax
}
macro sha2_224256._.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
sha2_224256._.round a, b, c, d, e, f, g, h, (sha2_256_table + (n)*4)
}
macro sha2_224256._.round_17_64 a, b, c, d, e, f, g, h, n, rep_num
{
sha2_224256._.recalculate_w n
mov edi, [w + (n)*4]
sha2_224256._.round a, b, c, d, e, f, g, h, (sha2_256_table + (n+16*rep_num)*4)
}
proc sha2_224.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_224256.hash]
mov esi, sha2_224._.hash_init
mov ecx, SHA2_224256_INIT_SIZE/4
rep movsd
xor eax, eax
mov [ebx + ctx_sha2_224256.index], eax
mov [ebx + ctx_sha2_224256.msglen_0], eax
mov [ebx + ctx_sha2_224256.msglen_1], eax
ret
endp
proc sha2_256.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_224256.hash]
mov esi, sha2_256._.hash_init
mov ecx, SHA2_224256_INIT_SIZE/4
rep movsd
xor eax, eax
mov [ebx + ctx_sha2_224256.index], eax
mov [ebx + ctx_sha2_224256.msglen_0], eax
mov [ebx + ctx_sha2_224256.msglen_1], eax
ret
endp
proc sha2_224256._.block _hash
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, [_hash]
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
sha2_224256._.round_1_16 A, B, C, D, E, F, G, H, 0
sha2_224256._.round_1_16 H, A, B, C, D, E, F, G, 1
sha2_224256._.round_1_16 G, H, A, B, C, D, E, F, 2
sha2_224256._.round_1_16 F, G, H, A, B, C, D, E, 3
sha2_224256._.round_1_16 E, F, G, H, A, B, C, D, 4
sha2_224256._.round_1_16 D, E, F, G, H, A, B, C, 5
sha2_224256._.round_1_16 C, D, E, F, G, H, A, B, 6
sha2_224256._.round_1_16 B, C, D, E, F, G, H, A, 7
sha2_224256._.round_1_16 A, B, C, D, E, F, G, H, 8
sha2_224256._.round_1_16 H, A, B, C, D, E, F, G, 9
sha2_224256._.round_1_16 G, H, A, B, C, D, E, F, 10
sha2_224256._.round_1_16 F, G, H, A, B, C, D, E, 11
sha2_224256._.round_1_16 E, F, G, H, A, B, C, D, 12
sha2_224256._.round_1_16 D, E, F, G, H, A, B, C, 13
sha2_224256._.round_1_16 C, D, E, F, G, H, A, B, 14
sha2_224256._.round_1_16 B, C, D, E, F, G, H, A, 15
repeat 3
sha2_224256._.round_17_64 A, B, C, D, E, F, G, H, 0, %
sha2_224256._.round_17_64 H, A, B, C, D, E, F, G, 1, %
sha2_224256._.round_17_64 G, H, A, B, C, D, E, F, 2, %
sha2_224256._.round_17_64 F, G, H, A, B, C, D, E, 3, %
sha2_224256._.round_17_64 E, F, G, H, A, B, C, D, 4, %
sha2_224256._.round_17_64 D, E, F, G, H, A, B, C, 5, %
sha2_224256._.round_17_64 C, D, E, F, G, H, A, B, 6, %
sha2_224256._.round_17_64 B, C, D, E, F, G, H, A, 7, %
sha2_224256._.round_17_64 A, B, C, D, E, F, G, H, 8, %
sha2_224256._.round_17_64 H, A, B, C, D, E, F, G, 9, %
sha2_224256._.round_17_64 G, H, A, B, C, D, E, F, 10, %
sha2_224256._.round_17_64 F, G, H, A, B, C, D, E, 11, %
sha2_224256._.round_17_64 E, F, G, H, A, B, C, D, 12, %
sha2_224256._.round_17_64 D, E, F, G, H, A, B, C, 13, %
sha2_224256._.round_17_64 C, D, E, F, G, H, A, B, 14, %
sha2_224256._.round_17_64 B, C, D, E, F, G, H, A, 15, %
end repeat
mov edi, [_hash]
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
ret
endp
sha2_224.update = sha2_224256.update
sha2_256.update = sha2_224256.update
proc sha2_224256.update uses ebx esi edi, _ctx, _msg, _size
mov ebx, [_ctx]
mov ecx, [_size]
add [ebx + ctx_sha2_224256.msglen_0], ecx
adc [ebx + ctx_sha2_224256.msglen_1], 0
.next_block:
mov ebx, [_ctx]
mov esi, [_msg]
mov eax, [ebx + ctx_sha2_224256.index]
and eax, SHA2_224256_BLOCK_SIZE-1
jnz .copy_to_buf
test esi, SHA2_224256_ALIGN_MASK
jnz .copy_to_buf
.no_copy:
; data is aligned, hash it in place without copying
mov ebx, [_ctx]
cmp [_size], SHA2_224256_BLOCK_SIZE
jb .copy_quit
lea eax, [ebx + ctx_sha2_224256.hash]
stdcall sha2_224256._.block, eax
sub [_size], SHA2_224256_BLOCK_SIZE
add esi, SHA2_224256_BLOCK_SIZE ; FIXME
jmp .no_copy
.copy_to_buf:
lea edi, [ebx + ctx_sha2_224256.block]
add edi, eax
mov ecx, SHA2_224256_BLOCK_SIZE
sub ecx, eax
cmp [_size], ecx
jb .copy_quit
sub [_size], ecx
add [_msg], ecx
add [ebx + ctx_sha2_224256.index], ecx
rep movsb
lea eax, [ebx + ctx_sha2_224256.hash]
lea esi, [ebx + ctx_sha2_224256.block]
stdcall sha2_224256._.block, eax
jmp .next_block
.copy_quit:
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_224256.block]
mov eax, [ebx + ctx_sha2_224256.index]
and eax, SHA2_224256_BLOCK_SIZE-1
add edi, eax
mov ecx, [_size]
add [ebx + ctx_sha2_224256.index], ecx
rep movsb
.quit:
ret
endp
sha2_224.finish = sha2_224256.finish
sha2_256.finish = sha2_224256.finish
proc sha2_224256.finish uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_224256.block]
mov ecx, [ebx + ctx_sha2_224256.msglen_0]
and ecx, SHA2_224256_BLOCK_SIZE-1
add edi, ecx
mov byte[edi], 0x80
inc edi
neg ecx
add ecx, SHA2_224256_BLOCK_SIZE
cmp ecx, 8
ja .last
dec ecx
xor eax, eax
rep stosb
lea esi, [ebx + ctx_sha2_224256.block]
lea eax, [ebx + ctx_sha2_224256.hash]
stdcall sha2_224256._.block, eax
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_224256.block]
mov ecx, SHA2_224256_BLOCK_SIZE+1
.last:
dec ecx
sub ecx, 8
xor eax, eax
rep stosb
mov eax, [ebx + ctx_sha2_224256.msglen_0]
mov edx, [ebx + ctx_sha2_224256.msglen_1]
shld edx, eax, 3
shl eax, 3
bswap eax
bswap edx
mov dword[edi], edx
mov dword[edi+4], eax
lea esi, [ebx + ctx_sha2_224256.block]
lea eax, [ebx + ctx_sha2_224256.hash]
stdcall sha2_224256._.block, eax
mov ebx, [_ctx]
lea eax, [ebx + ctx_sha2_224256.hash]
stdcall sha2_224256._.postprocess, ebx, eax
ret
endp
proc sha2_224256._.postprocess _ctx, _hash
mov ecx, 8
mov esi, [_hash]
mov edi, esi
@@:
lodsd
bswap eax
stosd
dec ecx
jnz @b
ret
endp
proc sha2_224.oneshot _ctx, _data, _len
stdcall sha2_224.init, [_ctx]
stdcall sha2_224.update, [_ctx], [_data], [_len]
stdcall sha2_224.finish, [_ctx]
ret
endp
proc sha2_256.oneshot _ctx, _data, _len
stdcall sha2_256.init, [_ctx]
stdcall sha2_256.update, [_ctx], [_data], [_len]
stdcall sha2_256.finish, [_ctx]
ret
endp
iglobal
align SHA2_224256_ALIGN
sha2_224._.hash_init dd 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,\
0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4
sha2_256._.hash_init dd 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,\
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
sha2_256_table dd 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,\
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,\
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,\
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,\
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,\
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,\
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,\
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,\
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,\
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,\
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,\
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,\
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,\
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,\
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,\
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
endg

View File

@@ -0,0 +1,562 @@
; libcrash -- cryptographic hash (and other) functions
;
; Copyright (C) <2012-2013,2016,2019,2021> Ivan Baravy
;
; SPDX-License-Identifier: GPL-2.0-or-later
;
; 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 2 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/>.
SHA2_384512_BLOCK_SIZE = 128
SHA2_384_BLOCK_SIZE = SHA2_384512_BLOCK_SIZE
SHA2_512_BLOCK_SIZE = SHA2_384512_BLOCK_SIZE
SHA2_384512_INIT_SIZE = 64
SHA2_384512_ALIGN = 16
SHA2_384512_ALIGN_MASK = SHA2_384512_ALIGN - 1
struct ctx_sha2_384512
hash rb SHA2_384512_INIT_SIZE
block rb SHA2_384512_BLOCK_SIZE
index rd 1
msglen_0 rd 1
msglen_1 rd 1
msglen_2 rd 1
msglen_3 rd 1
rd 3 ; align
; tmp vars
w rq 80
A rq 1
B rq 1
C rq 1
D rq 1
E rq 1
F rq 1
G rq 1
H rq 1
temp rq 1
ends
assert sizeof.ctx_sha2_384512 <= LIBCRASH_CTX_LEN
macro sha2_384512._.chn x, y, z
{
movq mm0, [y]
pxor mm0, [z]
pand mm0, [x]
pxor mm0, [z]
}
macro sha2_384512._.maj x, y, z
{
movq mm0, [x]
pxor mm0, [y]
pand mm0, [z]
movq mm2, [x]
pand mm2, [y]
pxor mm0, mm2
}
macro sha2_384512._.Sigma0 x
{
movq mm0, x
movq mm2, mm0
movq mm7, mm2
psrlq mm2, 28
psllq mm7, 36
por mm2, mm7
movq mm7, mm0
psrlq mm0, 34
psllq mm7, 30
por mm0, mm7
pxor mm0, mm2
movq mm2, x
movq mm7, mm2
psrlq mm2, 39
psllq mm7, 25
por mm2, mm7
pxor mm0, mm2
}
macro sha2_384512._.Sigma1 x
{
movq mm0, x
movq mm2, mm0
movq mm7, mm2
psrlq mm2, 14
psllq mm7, 50
por mm2, mm7
movq mm7, mm0
psrlq mm0, 18
psllq mm7, 46
por mm0, mm7
pxor mm0, mm2
movq mm2, x
movq mm7, mm2
psrlq mm2, 41
psllq mm7, 23
por mm2, mm7
pxor mm0, mm2
}
macro sha2_384512._.sigma0 x
{
movq mm0, x
movq mm2, mm0
movq mm7, mm2
psrlq mm2, 1
psllq mm7, 63
por mm2, mm7
movq mm7, mm0
psrlq mm0, 8
psllq mm7, 56
por mm0, mm7
pxor mm0, mm2
movq mm2, x
psrlq mm2, 7
pxor mm0, mm2
}
macro sha2_384512._.sigma1 x
{
movq mm0, x
movq mm2, mm0
movq mm7, mm2
psrlq mm2, 19
psllq mm7, 45
por mm2, mm7
movq mm7, mm0
psrlq mm0, 61
psllq mm7, 3
por mm0, mm7
pxor mm0, mm2
movq mm2, x
psrlq mm2, 6
pxor mm0, mm2
}
macro sha2_384512._.recalculate_w n
{
movq mm3, [w + ((n-2) and 15)*8]
sha2_384512._.sigma1 mm3
paddq mm0, [w + ((n-7) and 15)*8]
movq mm6, mm0
movq mm3, [w + ((n-15) and 15)*8]
sha2_384512._.sigma0 mm3
movq mm2, mm6
paddq mm0, mm2
movq mm7, [w + (n)*8]
paddq mm7, mm0
movq [w + (n)*8], mm7
}
macro sha2_384512._.round a, b, c, d, e, f, g, h, k
{
movq mm1, [h]
movq mm3, [e]
sha2_384512._.Sigma1 mm3
paddq mm1, mm0
sha2_384512._.chn e, f, g
paddq mm1, mm0
paddq mm1, [k]
paddq mm1, mm5
movq mm7, [d]
paddq mm7, mm1
movq [d], mm7
movq mm3, [a]
sha2_384512._.Sigma0 mm3
paddq mm1, mm0
sha2_384512._.maj a, b, c
paddq mm0, mm1
movq [h], mm0
}
macro sha2_384512._.round_1_16 a, b, c, d, e, f, g, h, n
{
movq mm0, [esi + (n)*8]
movq [temp], mm0
mov eax, dword[temp]
bswap eax
push eax
mov eax, dword[temp + 4]
bswap eax
mov dword[temp], eax
pop eax
mov dword[temp + 4], eax
movq mm0, [temp]
movq [w + (n)*8], mm0
movq mm5, mm0
sha2_384512._.round a, b, c, d, e, f, g, h, (sha2_384512._.table + (n)*8)
}
macro sha2_384512._.round_17_64 a, b, c, d, e, f, g, h, n, rep_num
{
sha2_384512._.recalculate_w n
movq mm5, [w + (n)*8]
sha2_384512._.round a, b, c, d, e, f, g, h, (sha2_384512._.table + (n+16*rep_num)*8)
}
proc sha2_384.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_384512.hash]
mov esi, sha2_384._.hash_init
mov ecx, SHA2_384512_INIT_SIZE/4
rep movsd
xor eax, eax
mov [ebx + ctx_sha2_384512.index], eax
mov [ebx + ctx_sha2_384512.msglen_0], eax
mov [ebx + ctx_sha2_384512.msglen_1], eax
mov [ebx + ctx_sha2_384512.msglen_2], eax
mov [ebx + ctx_sha2_384512.msglen_3], eax
ret
endp
proc sha2_512.init uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_384512.hash]
mov esi, sha2_512._.hash_init
mov ecx, SHA2_384512_INIT_SIZE/4
rep movsd
xor eax, eax
mov [ebx + ctx_sha2_384512.index], eax
mov [ebx + ctx_sha2_384512.msglen_0], eax
mov [ebx + ctx_sha2_384512.msglen_1], eax
mov [ebx + ctx_sha2_384512.msglen_2], eax
mov [ebx + ctx_sha2_384512.msglen_3], eax
ret
endp
proc sha2_384512._.block _hash
;locals
; w rq 80
; A rq 1
; B rq 1
; C rq 1
; D rq 1
; E rq 1
; F rq 1
; G rq 1
; H rq 1
; temp rq 1
;endl
w equ ebx + ctx_sha2_384512.w
A equ ebx + ctx_sha2_384512.A
B equ ebx + ctx_sha2_384512.B
C equ ebx + ctx_sha2_384512.C
D equ ebx + ctx_sha2_384512.D
E equ ebx + ctx_sha2_384512.E
F equ ebx + ctx_sha2_384512.F
G equ ebx + ctx_sha2_384512.G
H equ ebx + ctx_sha2_384512.H
temp equ ebx + ctx_sha2_384512.temp
mov edi, [_hash]
movq mm0, [edi + 0x00]
movq [A], mm0
movq mm0, [edi + 0x08]
movq [B], mm0
movq mm0, [edi + 0x10]
movq [C], mm0
movq mm0, [edi + 0x18]
movq [D], mm0
movq mm0, [edi + 0x20]
movq [E], mm0
movq mm0, [edi + 0x28]
movq [F], mm0
movq mm0, [edi + 0x30]
movq [G], mm0
movq mm0, [edi + 0x38]
movq [H], mm0
sha2_384512._.round_1_16 A, B, C, D, E, F, G, H, 0
sha2_384512._.round_1_16 H, A, B, C, D, E, F, G, 1
sha2_384512._.round_1_16 G, H, A, B, C, D, E, F, 2
sha2_384512._.round_1_16 F, G, H, A, B, C, D, E, 3
sha2_384512._.round_1_16 E, F, G, H, A, B, C, D, 4
sha2_384512._.round_1_16 D, E, F, G, H, A, B, C, 5
sha2_384512._.round_1_16 C, D, E, F, G, H, A, B, 6
sha2_384512._.round_1_16 B, C, D, E, F, G, H, A, 7
sha2_384512._.round_1_16 A, B, C, D, E, F, G, H, 8
sha2_384512._.round_1_16 H, A, B, C, D, E, F, G, 9
sha2_384512._.round_1_16 G, H, A, B, C, D, E, F, 10
sha2_384512._.round_1_16 F, G, H, A, B, C, D, E, 11
sha2_384512._.round_1_16 E, F, G, H, A, B, C, D, 12
sha2_384512._.round_1_16 D, E, F, G, H, A, B, C, 13
sha2_384512._.round_1_16 C, D, E, F, G, H, A, B, 14
sha2_384512._.round_1_16 B, C, D, E, F, G, H, A, 15
repeat 4
sha2_384512._.round_17_64 A, B, C, D, E, F, G, H, 0, %
sha2_384512._.round_17_64 H, A, B, C, D, E, F, G, 1, %
sha2_384512._.round_17_64 G, H, A, B, C, D, E, F, 2, %
sha2_384512._.round_17_64 F, G, H, A, B, C, D, E, 3, %
sha2_384512._.round_17_64 E, F, G, H, A, B, C, D, 4, %
sha2_384512._.round_17_64 D, E, F, G, H, A, B, C, 5, %
sha2_384512._.round_17_64 C, D, E, F, G, H, A, B, 6, %
sha2_384512._.round_17_64 B, C, D, E, F, G, H, A, 7, %
sha2_384512._.round_17_64 A, B, C, D, E, F, G, H, 8, %
sha2_384512._.round_17_64 H, A, B, C, D, E, F, G, 9, %
sha2_384512._.round_17_64 G, H, A, B, C, D, E, F, 10, %
sha2_384512._.round_17_64 F, G, H, A, B, C, D, E, 11, %
sha2_384512._.round_17_64 E, F, G, H, A, B, C, D, 12, %
sha2_384512._.round_17_64 D, E, F, G, H, A, B, C, 13, %
sha2_384512._.round_17_64 C, D, E, F, G, H, A, B, 14, %
sha2_384512._.round_17_64 B, C, D, E, F, G, H, A, 15, %
end repeat
mov edi, [_hash]
movq mm0, [A]
paddq mm0, [edi + 0x00]
movq [edi + 0x00], mm0
movq mm0, [B]
paddq mm0, [edi + 0x08]
movq [edi + 0x08], mm0
movq mm0, [C]
paddq mm0, [edi + 0x10]
movq [edi + 0x10], mm0
movq mm0, [D]
paddq mm0, [edi + 0x18]
movq [edi + 0x18], mm0
movq mm0, [E]
paddq mm0, [edi + 0x20]
movq [edi + 0x20], mm0
movq mm0, [F]
paddq mm0, [edi + 0x28]
movq [edi + 0x28], mm0
movq mm0, [G]
paddq mm0, [edi + 0x30]
movq [edi + 0x30], mm0
movq mm0, [H]
paddq mm0, [edi + 0x38]
movq [edi + 0x38], mm0
ret
restore w,A,B,C,D,E,F,G,H,temp
endp
sha2_384.update = sha2_384512.update
sha2_512.update = sha2_384512.update
proc sha2_384512.update uses ebx esi edi, _ctx, _msg, _size
mov ebx, [_ctx]
mov ecx, [_size]
add [ebx + ctx_sha2_384512.msglen_0], ecx
adc [ebx + ctx_sha2_384512.msglen_1], 0
adc [ebx + ctx_sha2_384512.msglen_2], 0
adc [ebx + ctx_sha2_384512.msglen_3], 0
.next_block:
mov ebx, [_ctx]
mov esi, [_msg]
mov eax, [ebx + ctx_sha2_384512.index]
and eax, SHA2_384512_BLOCK_SIZE-1
jnz .copy_to_buf
test esi, SHA2_384512_ALIGN_MASK
jnz .copy_to_buf
.no_copy:
; data is aligned, hash it in place without copying
mov ebx, [_ctx]
cmp [_size], SHA2_384512_BLOCK_SIZE
jb .copy_quit
lea eax, [ebx + ctx_sha2_384512.hash]
stdcall sha2_384512._.block, eax
sub [_size], SHA2_384512_BLOCK_SIZE
add esi, SHA2_384512_BLOCK_SIZE ; FIXME
jmp .no_copy
.copy_to_buf:
lea edi, [ebx + ctx_sha2_384512.block]
add edi, eax
mov ecx, SHA2_384512_BLOCK_SIZE
sub ecx, eax
cmp [_size], ecx
jb .copy_quit
sub [_size], ecx
add [_msg], ecx
add [ebx + ctx_sha2_384512.index], ecx
rep movsb
lea eax, [ebx + ctx_sha2_384512.hash]
lea esi, [ebx + ctx_sha2_384512.block]
stdcall sha2_384512._.block, eax
jmp .next_block
.copy_quit:
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_384512.block]
mov eax, [ebx + ctx_sha2_384512.index]
and eax, SHA2_384512_BLOCK_SIZE-1
add edi, eax
mov ecx, [_size]
add [ebx + ctx_sha2_384512.index], ecx
rep movsb
.quit:
ret
endp
sha2_384.finish = sha2_384512.finish
sha2_512.finish = sha2_384512.finish
proc sha2_384512.finish uses ebx esi edi, _ctx
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_384512.block]
mov ecx, [ebx + ctx_sha2_384512.msglen_0]
and ecx, SHA2_384512_BLOCK_SIZE-1
add edi, ecx
mov byte[edi], 0x80
inc edi
neg ecx
add ecx, SHA2_384512_BLOCK_SIZE
cmp ecx, 16
ja .last
dec ecx
xor eax, eax
rep stosb
lea esi, [ebx + ctx_sha2_384512.block]
lea eax, [ebx + ctx_sha2_384512.hash]
stdcall sha2_384512._.block, eax
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha2_384512.block]
mov ecx, SHA2_384512_BLOCK_SIZE+1
.last:
dec ecx
sub ecx, 16
xor eax, eax
rep stosb
mov eax, [ebx + ctx_sha2_384512.msglen_1]
shld [ebx + ctx_sha2_384512.msglen_0], eax, 3
mov eax, [ebx + ctx_sha2_384512.msglen_2]
shld [ebx + ctx_sha2_384512.msglen_1], eax, 3
mov eax, [ebx + ctx_sha2_384512.msglen_3]
shld [ebx + ctx_sha2_384512.msglen_2], eax, 3
shl eax, 3
bswap eax
mov dword[edi + 0], eax
mov eax, [ebx + ctx_sha2_384512.msglen_2]
bswap eax
mov dword[edi + 4], eax
mov eax, [ebx + ctx_sha2_384512.msglen_1]
bswap eax
mov dword[edi + 8], eax
mov eax, [ebx + ctx_sha2_384512.msglen_0]
bswap eax
mov dword[edi + 12], eax
mov ebx, [_ctx]
lea esi, [ebx + ctx_sha2_384512.block]
lea eax, [ebx + ctx_sha2_384512.hash]
stdcall sha2_384512._.block, eax
mov ebx, [_ctx]
lea eax, [ebx + ctx_sha2_384512.hash]
stdcall sha2_384512._.postprocess, ebx, eax
ret
endp
proc sha2_384512._.postprocess _ctx, _hash
mov ecx, 8
mov esi, [_hash]
mov edi, esi
@@:
lodsd
mov ebx, eax
lodsd
bswap eax
bswap ebx
stosd
mov eax, ebx
stosd
dec ecx ; FIXME: what should I fix here?
jnz @b
emms
ret
endp
proc sha2_384.oneshot _ctx, _data, _len
stdcall sha2_384.init, [_ctx]
stdcall sha2_384.update, [_ctx], [_data], [_len]
stdcall sha2_384.finish, [_ctx]
ret
endp
proc sha2_512.oneshot _ctx, _data, _len
stdcall sha2_512.init, [_ctx]
stdcall sha2_512.update, [_ctx], [_data], [_len]
stdcall sha2_512.finish, [_ctx]
ret
endp
iglobal
align SHA2_384512_ALIGN
sha2_384._.hash_init dq 0xcbbb9d5dc1059ed8, 0x629a292a367cd507,\
0x9159015a3070dd17, 0x152fecd8f70e5939,\
0x67332667ffc00b31, 0x8eb44a8768581511,\
0xdb0c2e0d64f98fa7, 0x47b5481dbefa4fa4
sha2_512._.hash_init dq 0x6a09e667f3bcc908, 0xbb67ae8584caa73b,\
0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1,\
0x510e527fade682d1, 0x9b05688c2b3e6c1f,\
0x1f83d9abfb41bd6b, 0x5be0cd19137e2179
sha2_384512._.table dq 0x428a2f98d728ae22, 0x7137449123ef65cd,\
0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc,\
0x3956c25bf348b538, 0x59f111f1b605d019,\
0x923f82a4af194f9b, 0xab1c5ed5da6d8118,\
0xd807aa98a3030242, 0x12835b0145706fbe,\
0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2,\
0x72be5d74f27b896f, 0x80deb1fe3b1696b1,\
0x9bdc06a725c71235, 0xc19bf174cf692694,\
0xe49b69c19ef14ad2, 0xefbe4786384f25e3,\
0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65,\
0x2de92c6f592b0275, 0x4a7484aa6ea6e483,\
0x5cb0a9dcbd41fbd4, 0x76f988da831153b5,\
0x983e5152ee66dfab, 0xa831c66d2db43210,\
0xb00327c898fb213f, 0xbf597fc7beef0ee4,\
0xc6e00bf33da88fc2, 0xd5a79147930aa725,\
0x06ca6351e003826f, 0x142929670a0e6e70,\
0x27b70a8546d22ffc, 0x2e1b21385c26c926,\
0x4d2c6dfc5ac42aed, 0x53380d139d95b3df,\
0x650a73548baf63de, 0x766a0abb3c77b2a8,\
0x81c2c92e47edaee6, 0x92722c851482353b,\
0xa2bfe8a14cf10364, 0xa81a664bbc423001,\
0xc24b8b70d0f89791, 0xc76c51a30654be30,\
0xd192e819d6ef5218, 0xd69906245565a910,\
0xf40e35855771202a, 0x106aa07032bbd1b8,\
0x19a4c116b8d2d0c8, 0x1e376c085141ab53,\
0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8,\
0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb,\
0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3,\
0x748f82ee5defb2fc, 0x78a5636f43172f60,\
0x84c87814a1f0ab72, 0x8cc702081a6439ec,\
0x90befffa23631e28, 0xa4506cebde82bde9,\
0xbef9a3f7b2c67915, 0xc67178f2e372532b,\
0xca273eceea26619c, 0xd186b8c721c0c207,\
0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178,\
0x06f067aa72176fba, 0x0a637dc5a2c898a6,\
0x113f9804bef90dae, 0x1b710b35131c471b,\
0x28db77f523047d84, 0x32caab7b40c72493,\
0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c,\
0x4cc5d4becb3e42b6, 0x597f299cfc657e2a,\
0x5fcb6fab3ad6faec, 0x6c44198c4a475817
endg

View File

@@ -0,0 +1,462 @@
; libcrash -- cryptographic hash (and other) functions
;
; Copyright (C) <2013,2016,2019,2021> Ivan Baravy
;
; SPDX-License-Identifier: GPL-2.0-or-later
;
; 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 2 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/>.
SHA3_224_BLOCK_SIZE = 144
SHA3_256_BLOCK_SIZE = 136
SHA3_384_BLOCK_SIZE = 104
SHA3_512_BLOCK_SIZE = 72
SHA3_MAX_BLOCK_SIZE = SHA3_224_BLOCK_SIZE
SHA3_INIT_SIZE = 200
SHA3_ALIGN = 16
SHA3_ALIGN_MASK = SHA3_ALIGN-1
struct ctx_sha3
hash rb SHA3_INIT_SIZE
rb SHA3_ALIGN - (SHA3_INIT_SIZE mod SHA3_ALIGN)
block rb SHA3_MAX_BLOCK_SIZE
rb SHA3_ALIGN - (SHA3_MAX_BLOCK_SIZE mod SHA3_ALIGN)
index rd 1
block_size rd 1
rounds_cnt rd 1
rd 1 ; align
; tmp vars
C rq 5
D rq 5
ends
assert sizeof.ctx_sha3 <= LIBCRASH_CTX_LEN
macro sha3._.rol_xor nd, ncl, ncr
{
movq mm0, [C + 8*(ncl)]
movq mm1, mm0
psllq mm0, 1
psrlq mm1, 63
por mm0, mm1
pxor mm0, [C + 8*(ncr)]
movq [D + 8*(nd)], mm0
}
proc sha3._.theta
;locals
; C rq 5
; D rq 5
;endl
C equ ebx + ctx_sha3.C
D equ ebx + ctx_sha3.D
repeat 5
movq mm0, [edi + 8*(%-1 + 0)]
pxor mm0, [edi + 8*(%-1 + 5)]
pxor mm0, [edi + 8*(%-1 + 10)]
pxor mm0, [edi + 8*(%-1 + 15)]
pxor mm0, [edi + 8*(%-1 + 20)]
movq [C + 8*(%-1)], mm0
end repeat
sha3._.rol_xor 0, 1, 4
sha3._.rol_xor 1, 2, 0
sha3._.rol_xor 2, 3, 1
sha3._.rol_xor 3, 4, 2
sha3._.rol_xor 4, 0, 3
repeat 5
movq mm1, [D + 8*(%-1)]
movq mm0, mm1
pxor mm0, [edi + 8*(%-1 + 0)]
movq [edi + 8*(%-1 + 0)], mm0
movq mm0, mm1
pxor mm0, [edi + 8*(%-1 + 5)]
movq [edi + 8*(%-1 + 5)], mm0
movq mm0, mm1
pxor mm0, [edi + 8*(%-1 + 10)]
movq [edi + 8*(%-1 + 10)], mm0
movq mm0, mm1
pxor mm0, [edi + 8*(%-1 + 15)]
movq [edi + 8*(%-1 + 15)], mm0
movq mm0, mm1
pxor mm0, [edi + 8*(%-1 + 20)]
movq [edi + 8*(%-1 + 20)], mm0
end repeat
restore C,D
ret
endp
proc sha3._.pi
movq mm1, [edi + 8*1]
movq mm0, [edi + 8*6]
movq [edi + 8*1], mm0
movq mm0, [edi + 8*9]
movq [edi + 8*6], mm0
movq mm0, [edi + 8*22]
movq [edi + 8*9], mm0
movq mm0, [edi + 8*14]
movq [edi + 8*22], mm0
movq mm0, [edi + 8*20]
movq [edi + 8*14], mm0
movq mm0, [edi + 8*2]
movq [edi + 8*20], mm0
movq mm0, [edi + 8*12]
movq [edi + 8*2], mm0
movq mm0, [edi + 8*13]
movq [edi + 8*12], mm0
movq mm0, [edi + 8*19]
movq [edi + 8*13], mm0
movq mm0, [edi + 8*23]
movq [edi + 8*19], mm0
movq mm0, [edi + 8*15]
movq [edi + 8*23], mm0
movq mm0, [edi + 8*4]
movq [edi + 8*15], mm0
movq mm0, [edi + 8*24]
movq [edi + 8*4], mm0
movq mm0, [edi + 8*21]
movq [edi + 8*24], mm0
movq mm0, [edi + 8*8]
movq [edi + 8*21], mm0
movq mm0, [edi + 8*16]
movq [edi + 8*8], mm0
movq mm0, [edi + 8*5]
movq [edi + 8*16], mm0
movq mm0, [edi + 8*3]
movq [edi + 8*5], mm0
movq mm0, [edi + 8*18]
movq [edi + 8*3], mm0
movq mm0, [edi + 8*17]
movq [edi + 8*18], mm0
movq mm0, [edi + 8*11]
movq [edi + 8*17], mm0
movq mm0, [edi + 8*7]
movq [edi + 8*11], mm0
movq mm0, [edi + 8*10]
movq [edi + 8*7], mm0
movq [edi + 8*10], mm1
ret
endp
proc sha3._.chi
mov eax, 0xffffffff
movd mm0, eax
movq mm2, mm0
punpckldq mm2, mm0
repeat 5
movq mm6, [edi + 8*(0 + 5*(%-1))]
movq mm7, [edi + 8*(1 + 5*(%-1))]
movq mm0, [edi + 8*(0 + 5*(%-1))]
movq mm1, mm7
pandn mm1, mm2
pand mm1, [edi + 8*(2 + 5*(%-1))]
pxor mm0, mm1
movq [edi + 8*(0 + 5*(%-1))], mm0
movq mm0, [edi + 8*(1 + 5*(%-1))]
movq mm1, [edi + 8*(2 + 5*(%-1))]
pandn mm1, mm2
pand mm1, [edi + 8*(3 + 5*(%-1))]
pxor mm0, mm1
movq [edi + 8*(1 + 5*(%-1))], mm0
movq mm0, [edi + 8*(2 + 5*(%-1))]
movq mm1, [edi + 8*(3 + 5*(%-1))]
pandn mm1, mm2
pand mm1, [edi + 8*(4 + 5*(%-1))]
pxor mm0, mm1
movq [edi + 8*(2 + 5*(%-1))], mm0
movq mm0, [edi + 8*(3 + 5*(%-1))]
movq mm1, [edi + 8*(4 + 5*(%-1))]
pandn mm1, mm2
pand mm1, mm6
pxor mm0, mm1
movq [edi + 8*(3 + 5*(%-1))], mm0
movq mm0, [edi + 8*(4 + 5*(%-1))]
movq mm1, mm6
pandn mm1, mm2
pand mm1, mm7
pxor mm0, mm1
movq [edi + 8*(4 + 5*(%-1))], mm0
end repeat
ret
endp
macro sha3._.rol_mov n, c
{
movq mm0, [edi + 8*(n)]
movq mm1, mm0
psllq mm0, (c)
psrlq mm1, (64-(c))
por mm0, mm1
movq [edi + 8*(n)], mm0
}
proc sha3._.permutation
repeat 24
stdcall sha3._.theta
sha3._.rol_mov 1, 1
sha3._.rol_mov 2, 62
sha3._.rol_mov 3, 28
sha3._.rol_mov 4, 27
sha3._.rol_mov 5, 36
sha3._.rol_mov 6, 44
sha3._.rol_mov 7, 6
sha3._.rol_mov 8, 55
sha3._.rol_mov 9, 20
sha3._.rol_mov 10, 3
sha3._.rol_mov 11, 10
sha3._.rol_mov 12, 43
sha3._.rol_mov 13, 25
sha3._.rol_mov 14, 39
sha3._.rol_mov 15, 41
sha3._.rol_mov 16, 45
sha3._.rol_mov 17, 15
sha3._.rol_mov 18, 21
sha3._.rol_mov 19, 8
sha3._.rol_mov 20, 18
sha3._.rol_mov 21, 2
sha3._.rol_mov 22, 61
sha3._.rol_mov 23, 56
sha3._.rol_mov 24, 14
stdcall sha3._.pi
stdcall sha3._.chi
movq mm0, [edi + 8*(0)]
pxor mm0, [sha3._.round + 8*(%-1)]
movq [edi + 8*(0)], mm0
end repeat
ret
endp
proc sha3._.init uses edi
mov [ebx + ctx_sha3.block_size], eax
shr eax, 3
dec eax
mov [ebx + ctx_sha3.rounds_cnt], eax
xor eax, eax
lea edi, [ebx + ctx_sha3.hash]
mov ecx, SHA3_INIT_SIZE/4
rep stosd
mov [ebx + ctx_sha3.index], eax
ret
endp
proc sha3_224.init uses ebx, _ctx
mov ebx, [_ctx]
mov eax, SHA3_224_BLOCK_SIZE
stdcall sha3._.init
ret
endp
proc sha3_256.init uses ebx, _ctx
mov ebx, [_ctx]
mov eax, SHA3_256_BLOCK_SIZE
stdcall sha3._.init
ret
endp
proc sha3_384.init uses ebx, _ctx
mov ebx, [_ctx]
mov eax, SHA3_384_BLOCK_SIZE
stdcall sha3._.init
ret
endp
proc sha3_512.init uses ebx, _ctx
mov ebx, [_ctx]
mov eax, SHA3_512_BLOCK_SIZE
stdcall sha3._.init
ret
endp
proc sha3._.block _hash
mov ecx, [ebx + ctx_sha3.rounds_cnt]
mov edi, [_hash]
@@:
movq mm0, [esi + 8*ecx]
pxor mm0, [edi + 8*ecx]
movq [edi + 8*ecx], mm0
dec ecx
jns @b
stdcall sha3._.permutation
ret
endp
sha3_224.update = sha3.update
sha3_256.update = sha3.update
sha3_384.update = sha3.update
sha3_512.update = sha3.update
proc sha3.update uses ebx esi edi, _ctx, _msg, _size
.next_block:
mov ebx, [_ctx]
mov esi, [_msg]
mov eax, [ebx + ctx_sha3.index]
test eax, eax
jnz .copy_to_buf
test esi, SHA3_ALIGN_MASK
jnz .copy_to_buf
.no_copy:
; data is aligned, hash it in place without copying
mov ebx, [_ctx]
mov eax, [ebx + ctx_sha3.block_size]
cmp [_size], eax
jb .copy_quit
lea eax, [ebx + ctx_sha3.hash]
push ebx esi
stdcall sha3._.block, eax
pop esi ebx
mov eax, [ebx + ctx_sha3.block_size]
sub [_size], eax
add esi, [ebx + ctx_sha3.block_size]
jmp .no_copy
.copy_to_buf:
lea edi, [ebx + ctx_sha3.block]
add edi, eax
mov ecx, [ebx + ctx_sha3.block_size]
sub ecx, eax
cmp [_size], ecx
jb .copy_quit
sub [_size], ecx
add [_msg], ecx
add [ebx + ctx_sha3.index], ecx
mov eax, [ebx + ctx_sha3.block_size]
cmp [ebx + ctx_sha3.index], eax
jb @f
sub [ebx + ctx_sha3.index], eax
@@:
rep movsb
lea eax, [ebx + ctx_sha3.hash]
lea esi, [ebx + ctx_sha3.block]
stdcall sha3._.block, eax
jmp .next_block
.copy_quit:
mov ebx, [_ctx]
lea edi, [ebx + ctx_sha3.block]
mov eax, [ebx + ctx_sha3.index]
add edi, eax
mov ecx, [_size]
add [ebx + ctx_sha3.index], ecx
rep movsb
.quit:
ret
endp
sha3_224.finish = sha3.finish
sha3_256.finish = sha3.finish
sha3_384.finish = sha3.finish
sha3_512.finish = sha3.finish
proc sha3.finish uses ebx esi edi, _ctx
mov ebx, [_ctx]
mov eax, [ebx + ctx_sha3.index]
mov ecx, [ebx + ctx_sha3.block_size]
sub ecx, eax
lea edi, [ebx+ctx_sha3.block]
add edi, eax
mov byte[edi], 0x06
inc edi
dec ecx
xor eax, eax
rep stosb
or byte[edi - 1], 0x80
mov ebx, [_ctx]
lea esi, [ebx + ctx_sha3.block]
lea eax, [ebx + ctx_sha3.hash]
stdcall sha3._.block, eax
mov ebx, [_ctx]
lea eax, [ebx + ctx_sha3.hash]
stdcall sha3._.postprocess, ebx, eax
ret
endp
proc sha3._.postprocess _ctx, _hash
emms
ret
endp
proc sha3_224.oneshot _ctx, _data, _len
stdcall sha3_224.init, [_ctx]
stdcall sha3.update, [_ctx], [_data], [_len]
stdcall sha3.finish, [_ctx]
ret
endp
proc sha3_256.oneshot _ctx, _data, _len
stdcall sha3_256.init, [_ctx]
stdcall sha3.update, [_ctx], [_data], [_len]
stdcall sha3.finish, [_ctx]
ret
endp
proc sha3_384.oneshot _ctx, _data, _len
stdcall sha3_384.init, [_ctx]
stdcall sha3.update, [_ctx], [_data], [_len]
stdcall sha3.finish, [_ctx]
ret
endp
proc sha3_512.oneshot _ctx, _data, _len
stdcall sha3_512.init, [_ctx]
stdcall sha3.update, [_ctx], [_data], [_len]
stdcall sha3.finish, [_ctx]
ret
endp
iglobal
align SHA3_ALIGN
sha3._.round dq 0x0000000000000001, 0x0000000000008082, 0x800000000000808A,\
0x8000000080008000, 0x000000000000808B, 0x0000000080000001,\
0x8000000080008081, 0x8000000000008009, 0x000000000000008A,\
0x0000000000000088, 0x0000000080008009, 0x000000008000000A,\
0x000000008000808B, 0x800000000000008B, 0x8000000000008089,\
0x8000000000008003, 0x8000000000008002, 0x8000000000000080,\
0x000000000000800A, 0x800000008000000A, 0x8000000080008081,\
0x8000000000008080, 0x0000000080000001, 0x8000000080008008
endg