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;    libcrash -- cryptographic hash functions
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; libcrash -- cryptographic hash (and other) functions
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;
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;
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;    Copyright (C) 2012-2014,2016,2019 Ivan Baravy (dunkaist)
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; Copyright (C) <2012-2014,2016,2019,2021> Ivan Baravy
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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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;    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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; SPDX-License-Identifier: GPL-2.0-or-later
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;
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;
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;    This program is distributed in the hope that it will be useful,
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; This program is free software: you can redistribute it and/or modify it under
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;    but WITHOUT ANY WARRANTY; without even the implied warranty of
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; the terms of the GNU General Public License as published by the Free Software
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;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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; Foundation, either version 2 of the License, or (at your option) any later
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;    GNU General Public License for more details.
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; version.
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;
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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
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; You should have received a copy of the GNU General Public License along with
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;    along with this program.  If not, see .
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; this program. If not, see .
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LIBCRASH_ALIGN = 16     ; align your data for speed
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LIBCRASH_CRC32          = 0
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; hash IDs
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LIBCRASH_MD4            = 1
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LIBCRASH_CRC32          = 0
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LIBCRASH_MD5            = 2
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LIBCRASH_MD5            = 1
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LIBCRASH_SHA1           = 3
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LIBCRASH_SHA1           = 2
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LIBCRASH_SHA224         = 4
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LIBCRASH_SHA2_224       = 3
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LIBCRASH_SHA256         = 5
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LIBCRASH_SHA2_256       = 4
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LIBCRASH_SHA384         = 6
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LIBCRASH_SHA2_384       = 5
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LIBCRASH_SHA512         = 7
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LIBCRASH_SHA2_512       = 6
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LIBCRASH_SHA3_224       = 8
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LIBCRASH_SHA3_224       = 7
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LIBCRASH_SHA3_256       = 9
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LIBCRASH_SHA3_256       = 8
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LIBCRASH_SHA3_384       = 10
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LIBCRASH_SHA3_512       = 11
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LIBCRASH_LAST           = 11
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LIBCRASH_SHA3_384       = 9
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LIBCRASH_SHA3_512       = 10
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struct crash_item
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        init    dd ?
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        update  dd ?
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; mac IDs
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        final   dd ?
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LIBCRASH_POLY1305       = 0
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        oneshot dd ?
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        len_out dd ?
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LIBCRASH_HMAC_SHA2_256  = 1
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ends
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LIBCRASH_HMAC_SHA2_512  = 2
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struct crash_ctx
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        hash rb 1024    ; context starts with hash data
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ends
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; cipher IDs
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LIBCRASH_CHACHA20       = 0
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CRC32_HASH_SIZE     = 4
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LIBCRASH_AES_256_CTR    = 1
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CRC32_BLOCK_SIZE    = 1
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LIBCRASH_AES_256_CBC    = 2
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MD4_HASH_SIZE       = 16
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MD4_BLOCK_SIZE      = 64
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; cipher flags for crash_crypt
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LIBCRASH_CIPHER_ENCRYPT = 0000b
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MD5_HASH_SIZE       = 16
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LIBCRASH_CIPHER_DECRYPT = 0001b
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LIBCRASH_CIPHER_PADDING = 0010b ; PKCS#5
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MD5_BLOCK_SIZE      = 64
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; cipher output can be larger than input, e.g. for CBC mode with padding
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SHA1_HASH_SIZE      = 20
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CBC128_MAX_PAD_LEN = 128/8
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SHA1_BLOCK_SIZE     = 64
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LIBCRASH_MAX_PAD_LEN = CBC128_MAX_PAD_LEN
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SHA224_HASH_SIZE    = 28
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SHA224_BLOCK_SIZE   = 64
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CRC32_LEN    = 4
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MD5_LEN      = 16
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SHA256_HASH_SIZE    = 32
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SHA256_BLOCK_SIZE   = 64
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SHA1_LEN     = 20
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SHA2_224_LEN = 28
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SHA384_HASH_SIZE    = 48
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SHA384_BLOCK_SIZE   = 128
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SHA2_256_LEN = 32
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SHA2_384_LEN = 48
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SHA512_HASH_SIZE    = 64
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SHA512_BLOCK_SIZE   = 128
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SHA2_512_LEN = 64
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SHA3_224_LEN = 28
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SHA3_224_HASH_SIZE  = 28
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SHA3_224_BLOCK_SIZE = 144
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SHA3_256_LEN = 32
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SHA3_384_LEN = 48
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SHA3_256_HASH_SIZE  = 32
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SHA3_512_LEN = 64
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SHA3_256_BLOCK_SIZE = 136
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MAX_HASH_LEN = SHA3_512_LEN
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POLY1305_LEN = 16
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SHA3_384_HASH_SIZE  = 48
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HMAC_SHA2_256_LEN = SHA2_256_LEN
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SHA3_384_BLOCK_SIZE = 104
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