forked from KolibriOS/kolibrios
libcrash: Sync with upstream.
* Add oneshot wrappers. * Move tables to data section. * Add/rename macros and fix their use in ssh. git-svn-id: svn://kolibrios.org@7698 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
@@ -1,237 +1,263 @@
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; libcrash -- cryptographic hash functions
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;
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; Copyright (C) 2012-2013,2016 Ivan Baravy (dunkaist)
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
|
||||
; the Free Software Foundation, either version 3 of the License, or
|
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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macro md4._.f b, c, d
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{
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mov eax, c
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xor eax, d
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and eax, b
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xor eax, d
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}
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macro md4._.g b, c, d
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{
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push c d
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mov eax, b
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and eax, c
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and c, d
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and d, b
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or eax, c
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or eax, d
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pop d c
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}
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macro md4._.h b, c, d
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{
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mov eax, b
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xor eax, c
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xor eax, d
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}
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macro md4._.round func, a, b, c, d, index, shift, ac
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{
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func b, c, d
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add eax, [esi + index*4]
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lea a, [a + eax + ac]
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rol a, shift
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}
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proc md4.init _ctx
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mov ebx, [_ctx]
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lea edi, [ebx + ctx_md4.hash]
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mov esi, md4._.hash_init
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mov ecx, MD4_HASH_SIZE/4
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rep movsd
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xor eax, eax
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mov [ebx + ctx_md4.index], eax
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mov [ebx + ctx_md4.msglen_0], eax
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mov [ebx + ctx_md4.msglen_1], eax
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ret
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endp
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proc md4._.block _hash
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mov eax, [_hash]
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mov edi, [eax + 0x0]
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mov ebx, [eax + 0x4]
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mov ecx, [eax + 0x8]
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mov edx, [eax + 0xc]
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md4._.round md4._.f, edi, ebx, ecx, edx, 0, 3, 0x00000000
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md4._.round md4._.f, edx, edi, ebx, ecx, 1, 7, 0x00000000
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md4._.round md4._.f, ecx, edx, edi, ebx, 2, 11, 0x00000000
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md4._.round md4._.f, ebx, ecx, edx, edi, 3, 19, 0x00000000
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md4._.round md4._.f, edi, ebx, ecx, edx, 4, 3, 0x00000000
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md4._.round md4._.f, edx, edi, ebx, ecx, 5, 7, 0x00000000
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md4._.round md4._.f, ecx, edx, edi, ebx, 6, 11, 0x00000000
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md4._.round md4._.f, ebx, ecx, edx, edi, 7, 19, 0x00000000
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md4._.round md4._.f, edi, ebx, ecx, edx, 8, 3, 0x00000000
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md4._.round md4._.f, edx, edi, ebx, ecx, 9, 7, 0x00000000
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md4._.round md4._.f, ecx, edx, edi, ebx, 10, 11, 0x00000000
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md4._.round md4._.f, ebx, ecx, edx, edi, 11, 19, 0x00000000
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md4._.round md4._.f, edi, ebx, ecx, edx, 12, 3, 0x00000000
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md4._.round md4._.f, edx, edi, ebx, ecx, 13, 7, 0x00000000
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md4._.round md4._.f, ecx, edx, edi, ebx, 14, 11, 0x00000000
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md4._.round md4._.f, ebx, ecx, edx, edi, 15, 19, 0x00000000
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md4._.round md4._.g, edi, ebx, ecx, edx, 0, 3, 0x5a827999
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md4._.round md4._.g, edx, edi, ebx, ecx, 4, 5, 0x5a827999
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md4._.round md4._.g, ecx, edx, edi, ebx, 8, 9, 0x5a827999
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md4._.round md4._.g, ebx, ecx, edx, edi, 12, 13, 0x5a827999
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md4._.round md4._.g, edi, ebx, ecx, edx, 1, 3, 0x5a827999
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md4._.round md4._.g, edx, edi, ebx, ecx, 5, 5, 0x5a827999
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md4._.round md4._.g, ecx, edx, edi, ebx, 9, 9, 0x5a827999
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md4._.round md4._.g, ebx, ecx, edx, edi, 13, 13, 0x5a827999
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md4._.round md4._.g, edi, ebx, ecx, edx, 2, 3, 0x5a827999
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md4._.round md4._.g, edx, edi, ebx, ecx, 6, 5, 0x5a827999
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md4._.round md4._.g, ecx, edx, edi, ebx, 10, 9, 0x5a827999
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md4._.round md4._.g, ebx, ecx, edx, edi, 14, 13, 0x5a827999
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md4._.round md4._.g, edi, ebx, ecx, edx, 3, 3, 0x5a827999
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md4._.round md4._.g, edx, edi, ebx, ecx, 7, 5, 0x5a827999
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md4._.round md4._.g, ecx, edx, edi, ebx, 11, 9, 0x5a827999
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md4._.round md4._.g, ebx, ecx, edx, edi, 15, 13, 0x5a827999
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md4._.round md4._.h, edi, ebx, ecx, edx, 0, 3, 0x6ed9eba1
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md4._.round md4._.h, edx, edi, ebx, ecx, 8, 9, 0x6ed9eba1
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md4._.round md4._.h, ecx, edx, edi, ebx, 4, 11, 0x6ed9eba1
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md4._.round md4._.h, ebx, ecx, edx, edi, 12, 15, 0x6ed9eba1
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md4._.round md4._.h, edi, ebx, ecx, edx, 2, 3, 0x6ed9eba1
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md4._.round md4._.h, edx, edi, ebx, ecx, 10, 9, 0x6ed9eba1
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md4._.round md4._.h, ecx, edx, edi, ebx, 6, 11, 0x6ed9eba1
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md4._.round md4._.h, ebx, ecx, edx, edi, 14, 15, 0x6ed9eba1
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md4._.round md4._.h, edi, ebx, ecx, edx, 1, 3, 0x6ed9eba1
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md4._.round md4._.h, edx, edi, ebx, ecx, 9, 9, 0x6ed9eba1
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md4._.round md4._.h, ecx, edx, edi, ebx, 5, 11, 0x6ed9eba1
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md4._.round md4._.h, ebx, ecx, edx, edi, 13, 15, 0x6ed9eba1
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md4._.round md4._.h, edi, ebx, ecx, edx, 3, 3, 0x6ed9eba1
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md4._.round md4._.h, edx, edi, ebx, ecx, 11, 9, 0x6ed9eba1
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md4._.round md4._.h, ecx, edx, edi, ebx, 7, 11, 0x6ed9eba1
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md4._.round md4._.h, ebx, ecx, edx, edi, 15, 15, 0x6ed9eba1
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mov eax, [_hash]
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add [eax + 0x0], edi
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add [eax + 0x4], ebx
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add [eax + 0x8], ecx
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add [eax + 0xc], edx
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ret
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endp
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proc md4.update _ctx, _msg, _size
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mov ebx, [_ctx]
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mov ecx, [_size]
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add [ebx + ctx_md4.msglen_0], ecx
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adc [ebx + ctx_md4.msglen_1], 0
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.next_block:
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mov ebx, [_ctx]
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mov esi, [_msg]
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mov eax, [ebx + ctx_md4.index]
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and eax, MD4_BLOCK_SIZE-1
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jnz .copy_to_buf
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test esi, MD4_ALIGN_MASK
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jnz .copy_to_buf
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.no_copy:
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; data is aligned, hash it in place without copying
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mov ebx, [_ctx]
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cmp [_size], MD4_BLOCK_SIZE
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jb .copy_quit
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lea eax, [ebx + ctx_md4.hash]
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stdcall md4._.block, eax
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sub [_size], MD4_BLOCK_SIZE
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add esi, MD4_BLOCK_SIZE
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jmp .no_copy
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.copy_to_buf:
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lea edi, [ebx + ctx_md4.block]
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add edi, eax
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mov ecx, MD4_BLOCK_SIZE
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sub ecx, eax
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cmp [_size], ecx
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jb .copy_quit
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sub [_size], ecx
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add [_msg], ecx
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add [ebx + ctx_md4.index], ecx
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rep movsb
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lea eax, [ebx + ctx_md4.hash]
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lea esi, [ebx + ctx_md4.block]
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stdcall md4._.block, eax
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jmp .next_block
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.copy_quit:
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mov ebx, [_ctx]
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lea edi, [ebx + ctx_md4.block]
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mov eax, [ebx + ctx_md4.index]
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and eax, MD4_BLOCK_SIZE-1
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add edi, eax
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mov ecx, [_size]
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add [ebx + ctx_md4.index], ecx
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rep movsb
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.quit:
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ret
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endp
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proc md4.final _ctx
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mov ebx, [_ctx]
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lea edi, [ebx + ctx_md4.block]
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mov ecx, [ebx + ctx_md4.msglen_0]
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and ecx, MD4_BLOCK_SIZE-1
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add edi, ecx
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mov byte[edi], 0x80
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inc edi
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neg ecx
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add ecx, MD4_BLOCK_SIZE
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cmp ecx, 8
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ja .last
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dec ecx
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xor eax, eax
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rep stosb
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lea esi, [ebx + ctx_md4.block]
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lea eax, [ebx + ctx_md4.hash]
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stdcall md4._.block, eax
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mov ebx, [_ctx]
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lea edi, [ebx + ctx_md4.block]
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mov ecx, MD4_BLOCK_SIZE+1
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.last:
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dec ecx
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sub ecx, 8
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xor eax, eax
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rep stosb
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mov eax, [ebx + ctx_md4.msglen_0]
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mov edx, [ebx + ctx_md4.msglen_1]
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shld edx, eax, 3
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shl eax, 3
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mov dword[edi], eax
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mov dword[edi+4], edx
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lea esi, [ebx + ctx_md4.block]
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lea eax, [ebx + ctx_md4.hash]
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stdcall md4._.block, eax
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ret
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endp
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align MD4_ALIGN
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md4._.hash_init dd 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
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; libcrash -- cryptographic hash functions
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;
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; Copyright (C) 2012-2013,2016,2019 Ivan Baravy (dunkaist)
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
|
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; the Free Software Foundation, either version 3 of the License, or
|
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
|
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; 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/>.
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MD4_HASH_SIZE = 16
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MD4_BLOCK_SIZE = 64
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MD4_ALIGN = 4
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MD4_ALIGN_MASK = MD4_ALIGN - 1
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struct ctx_md4
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hash rb MD4_HASH_SIZE
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block rb MD4_BLOCK_SIZE
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index rd 1
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msglen_0 rd 1
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msglen_1 rd 1
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ends
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if defined sizeof.crash_ctx
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assert sizeof.crash_ctx >= sizeof.ctx_md4
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end if
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macro md4._.f b, c, d
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{
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mov eax, c
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xor eax, d
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and eax, b
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xor eax, d
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}
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macro md4._.g b, c, d
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{
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push c d
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mov eax, b
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and eax, c
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and c, d
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and d, b
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or eax, c
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or eax, d
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pop d c
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}
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macro md4._.h b, c, d
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{
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mov eax, b
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xor eax, c
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xor eax, d
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}
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macro md4._.round func, a, b, c, d, index, shift, ac
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{
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func b, c, d
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add eax, [esi + index*4]
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lea a, [a + eax + ac]
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rol a, shift
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}
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proc md4.init _ctx
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mov ebx, [_ctx]
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lea edi, [ebx + ctx_md4.hash]
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mov esi, md4._.hash_init
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mov ecx, MD4_HASH_SIZE/4
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rep movsd
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xor eax, eax
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mov [ebx + ctx_md4.index], eax
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mov [ebx + ctx_md4.msglen_0], eax
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mov [ebx + ctx_md4.msglen_1], eax
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ret
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endp
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proc md4._.block _hash
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mov eax, [_hash]
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mov edi, [eax + 0x0]
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mov ebx, [eax + 0x4]
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mov ecx, [eax + 0x8]
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mov edx, [eax + 0xc]
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md4._.round md4._.f, edi, ebx, ecx, edx, 0, 3, 0x00000000
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md4._.round md4._.f, edx, edi, ebx, ecx, 1, 7, 0x00000000
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md4._.round md4._.f, ecx, edx, edi, ebx, 2, 11, 0x00000000
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md4._.round md4._.f, ebx, ecx, edx, edi, 3, 19, 0x00000000
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md4._.round md4._.f, edi, ebx, ecx, edx, 4, 3, 0x00000000
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md4._.round md4._.f, edx, edi, ebx, ecx, 5, 7, 0x00000000
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md4._.round md4._.f, ecx, edx, edi, ebx, 6, 11, 0x00000000
|
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md4._.round md4._.f, ebx, ecx, edx, edi, 7, 19, 0x00000000
|
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md4._.round md4._.f, edi, ebx, ecx, edx, 8, 3, 0x00000000
|
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md4._.round md4._.f, edx, edi, ebx, ecx, 9, 7, 0x00000000
|
||||
md4._.round md4._.f, ecx, edx, edi, ebx, 10, 11, 0x00000000
|
||||
md4._.round md4._.f, ebx, ecx, edx, edi, 11, 19, 0x00000000
|
||||
md4._.round md4._.f, edi, ebx, ecx, edx, 12, 3, 0x00000000
|
||||
md4._.round md4._.f, edx, edi, ebx, ecx, 13, 7, 0x00000000
|
||||
md4._.round md4._.f, ecx, edx, edi, ebx, 14, 11, 0x00000000
|
||||
md4._.round md4._.f, ebx, ecx, edx, edi, 15, 19, 0x00000000
|
||||
|
||||
md4._.round md4._.g, edi, ebx, ecx, edx, 0, 3, 0x5a827999
|
||||
md4._.round md4._.g, edx, edi, ebx, ecx, 4, 5, 0x5a827999
|
||||
md4._.round md4._.g, ecx, edx, edi, ebx, 8, 9, 0x5a827999
|
||||
md4._.round md4._.g, ebx, ecx, edx, edi, 12, 13, 0x5a827999
|
||||
md4._.round md4._.g, edi, ebx, ecx, edx, 1, 3, 0x5a827999
|
||||
md4._.round md4._.g, edx, edi, ebx, ecx, 5, 5, 0x5a827999
|
||||
md4._.round md4._.g, ecx, edx, edi, ebx, 9, 9, 0x5a827999
|
||||
md4._.round md4._.g, ebx, ecx, edx, edi, 13, 13, 0x5a827999
|
||||
md4._.round md4._.g, edi, ebx, ecx, edx, 2, 3, 0x5a827999
|
||||
md4._.round md4._.g, edx, edi, ebx, ecx, 6, 5, 0x5a827999
|
||||
md4._.round md4._.g, ecx, edx, edi, ebx, 10, 9, 0x5a827999
|
||||
md4._.round md4._.g, ebx, ecx, edx, edi, 14, 13, 0x5a827999
|
||||
md4._.round md4._.g, edi, ebx, ecx, edx, 3, 3, 0x5a827999
|
||||
md4._.round md4._.g, edx, edi, ebx, ecx, 7, 5, 0x5a827999
|
||||
md4._.round md4._.g, ecx, edx, edi, ebx, 11, 9, 0x5a827999
|
||||
md4._.round md4._.g, ebx, ecx, edx, edi, 15, 13, 0x5a827999
|
||||
|
||||
md4._.round md4._.h, edi, ebx, ecx, edx, 0, 3, 0x6ed9eba1
|
||||
md4._.round md4._.h, edx, edi, ebx, ecx, 8, 9, 0x6ed9eba1
|
||||
md4._.round md4._.h, ecx, edx, edi, ebx, 4, 11, 0x6ed9eba1
|
||||
md4._.round md4._.h, ebx, ecx, edx, edi, 12, 15, 0x6ed9eba1
|
||||
md4._.round md4._.h, edi, ebx, ecx, edx, 2, 3, 0x6ed9eba1
|
||||
md4._.round md4._.h, edx, edi, ebx, ecx, 10, 9, 0x6ed9eba1
|
||||
md4._.round md4._.h, ecx, edx, edi, ebx, 6, 11, 0x6ed9eba1
|
||||
md4._.round md4._.h, ebx, ecx, edx, edi, 14, 15, 0x6ed9eba1
|
||||
md4._.round md4._.h, edi, ebx, ecx, edx, 1, 3, 0x6ed9eba1
|
||||
md4._.round md4._.h, edx, edi, ebx, ecx, 9, 9, 0x6ed9eba1
|
||||
md4._.round md4._.h, ecx, edx, edi, ebx, 5, 11, 0x6ed9eba1
|
||||
md4._.round md4._.h, ebx, ecx, edx, edi, 13, 15, 0x6ed9eba1
|
||||
md4._.round md4._.h, edi, ebx, ecx, edx, 3, 3, 0x6ed9eba1
|
||||
md4._.round md4._.h, edx, edi, ebx, ecx, 11, 9, 0x6ed9eba1
|
||||
md4._.round md4._.h, ecx, edx, edi, ebx, 7, 11, 0x6ed9eba1
|
||||
md4._.round md4._.h, ebx, ecx, edx, edi, 15, 15, 0x6ed9eba1
|
||||
|
||||
mov eax, [_hash]
|
||||
add [eax + 0x0], edi
|
||||
add [eax + 0x4], ebx
|
||||
add [eax + 0x8], ecx
|
||||
add [eax + 0xc], edx
|
||||
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
proc md4.update _ctx, _msg, _size
|
||||
mov ebx, [_ctx]
|
||||
mov ecx, [_size]
|
||||
add [ebx + ctx_md4.msglen_0], ecx
|
||||
adc [ebx + ctx_md4.msglen_1], 0
|
||||
|
||||
.next_block:
|
||||
mov ebx, [_ctx]
|
||||
mov esi, [_msg]
|
||||
mov eax, [ebx + ctx_md4.index]
|
||||
and eax, MD4_BLOCK_SIZE-1
|
||||
jnz .copy_to_buf
|
||||
test esi, MD4_ALIGN_MASK
|
||||
jnz .copy_to_buf
|
||||
.no_copy:
|
||||
; data is aligned, hash it in place without copying
|
||||
mov ebx, [_ctx]
|
||||
cmp [_size], MD4_BLOCK_SIZE
|
||||
jb .copy_quit
|
||||
lea eax, [ebx + ctx_md4.hash]
|
||||
stdcall md4._.block, eax
|
||||
sub [_size], MD4_BLOCK_SIZE
|
||||
add esi, MD4_BLOCK_SIZE
|
||||
jmp .no_copy
|
||||
|
||||
.copy_to_buf:
|
||||
lea edi, [ebx + ctx_md4.block]
|
||||
add edi, eax
|
||||
mov ecx, MD4_BLOCK_SIZE
|
||||
sub ecx, eax
|
||||
cmp [_size], ecx
|
||||
jb .copy_quit
|
||||
sub [_size], ecx
|
||||
add [_msg], ecx
|
||||
add [ebx + ctx_md4.index], ecx
|
||||
rep movsb
|
||||
lea eax, [ebx + ctx_md4.hash]
|
||||
lea esi, [ebx + ctx_md4.block]
|
||||
stdcall md4._.block, eax
|
||||
jmp .next_block
|
||||
|
||||
.copy_quit:
|
||||
mov ebx, [_ctx]
|
||||
lea edi, [ebx + ctx_md4.block]
|
||||
mov eax, [ebx + ctx_md4.index]
|
||||
and eax, MD4_BLOCK_SIZE-1
|
||||
add edi, eax
|
||||
mov ecx, [_size]
|
||||
add [ebx + ctx_md4.index], ecx
|
||||
rep movsb
|
||||
.quit:
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
proc md4.final _ctx
|
||||
mov ebx, [_ctx]
|
||||
lea edi, [ebx + ctx_md4.block]
|
||||
mov ecx, [ebx + ctx_md4.msglen_0]
|
||||
and ecx, MD4_BLOCK_SIZE-1
|
||||
add edi, ecx
|
||||
mov byte[edi], 0x80
|
||||
inc edi
|
||||
neg ecx
|
||||
add ecx, MD4_BLOCK_SIZE
|
||||
cmp ecx, 8
|
||||
ja .last
|
||||
|
||||
dec ecx
|
||||
xor eax, eax
|
||||
rep stosb
|
||||
lea esi, [ebx + ctx_md4.block]
|
||||
lea eax, [ebx + ctx_md4.hash]
|
||||
stdcall md4._.block, eax
|
||||
mov ebx, [_ctx]
|
||||
lea edi, [ebx + ctx_md4.block]
|
||||
mov ecx, MD4_BLOCK_SIZE+1
|
||||
.last:
|
||||
dec ecx
|
||||
sub ecx, 8
|
||||
xor eax, eax
|
||||
rep stosb
|
||||
mov eax, [ebx + ctx_md4.msglen_0]
|
||||
mov edx, [ebx + ctx_md4.msglen_1]
|
||||
shld edx, eax, 3
|
||||
shl eax, 3
|
||||
mov dword[edi], eax
|
||||
mov dword[edi+4], edx
|
||||
lea esi, [ebx + ctx_md4.block]
|
||||
lea eax, [ebx + ctx_md4.hash]
|
||||
stdcall md4._.block, eax
|
||||
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
proc md4.oneshot _ctx, _data, _len
|
||||
stdcall md4.init, [_ctx]
|
||||
stdcall md4.update, [_ctx], [_data], [_len]
|
||||
stdcall md4.final, [_ctx]
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
iglobal
|
||||
align MD4_ALIGN
|
||||
md4._.hash_init dd 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
|
||||
endg
|
||||
|
||||
Reference in New Issue
Block a user