forked from KolibriOS/kolibrios
35 lines
1.1 KiB
NASM
35 lines
1.1 KiB
NASM
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; libcrash -- cryptographic hash (and other) functions
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;
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; Copyright (C) <2021> Ivan Baravy
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;
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; SPDX-License-Identifier: GPL-2.0-or-later
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;
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; This program is free software: you can redistribute it and/or modify it under
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; the terms of the GNU General Public License as published by the Free Software
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; Foundation, either version 2 of the License, or (at your option) any later
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; version.
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;
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; This program is distributed in the hope that it will be useful, but WITHOUT
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; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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; FOR A PARTICULAR PURPOSE. See the 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 along with
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; this program. If not, see <http://www.gnu.org/licenses/>.
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CTR128_BLOCK_SIZE = 128/8
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struct ctx_ctr
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block_counter rd 4
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partial_cnt dd ?
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ends
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; ebx = context
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proc ctr.init uses esi edi, _iv
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mov esi, [_iv]
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lea edi, [ebx+ctx_ctr.block_counter]
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mov ecx, CTR128_BLOCK_SIZE/4
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rep movsd
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mov [ebx+ctx_ctr.partial_cnt], 0
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ret
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endp
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