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; libcrash -- cryptographic hash functions |
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; libcrash -- cryptographic hash functions |
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; |
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; |
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; Copyright (C) 2012-2013,2016 Ivan Baravy (dunkaist) |
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; Copyright (C) 2012-2013,2016,2019 Ivan Baravy (dunkaist) |
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; |
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; |
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; This program is free software: you can redistribute it and/or modify |
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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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; 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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; 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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; (at your option) any later version. |
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; |
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; |
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; You should have received a copy of the GNU General Public License |
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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 . |
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; along with this program. If not, see . |
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CRC32_HASH_SIZE = 4 |
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CRC32_ALIGN = 4 |
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CRC32_ALIGN_MASK = CRC32_ALIGN - 1 |
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struct ctx_crc32 |
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hash 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_crc32 |
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end if |
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proc crc32.init _ctx |
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proc crc32.init _ctx |
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mov ebx, [_ctx] |
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mov ebx, [_ctx] |
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lea edi, [ebx + ctx_crc32.hash] |
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lea edi, [ebx + ctx_crc32.hash] |
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stosd |
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stosd |
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ret |
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ret |
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endp |
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endp |
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proc crc32.oneshot _ctx, _data, _len |
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stdcall crc32.init, [_ctx] |
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stdcall crc32.update, [_ctx], [_data], [_len] |
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stdcall crc32.final, [_ctx] |
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ret |
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endp |
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align CRC32_ALIGN |
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iglobal |
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align CRC32_ALIGN |
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crc32._.hash_init dd 0xffffffff |
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crc32._.hash_init dd 0xffffffff |
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,\ |
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,\ |
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,\ |
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,\ |
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,\ |
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,\ |
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,\ |
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,\ |
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d |
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d |
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endg |