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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) 2012-2014,2016 Ivan Baravy (dunkaist)
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;    Copyright (C) 2012-2014,2016,2019 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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struct crash_item
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struct crash_item
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        init    dd ?
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        init    dd ?
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        update  dd ?
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        update  dd ?
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        final   dd ?
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        final   dd ?
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        oneshot dd ?
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        len_out dd ?
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        len_out dd ?
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ends
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; CRC32
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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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ends
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struct ctx_crc32
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struct crash_ctx
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        hash    rd 1
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ends
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        hash rb 1024    ; context starts with hash data
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; MD4
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ends
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MD4_BLOCK_SIZE = 64
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MD4_HASH_SIZE  = 16
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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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CRC32_HASH_SIZE     = 4
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ends
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CRC32_BLOCK_SIZE    = 1
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; MD5
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MD5_BLOCK_SIZE = 64
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MD5_HASH_SIZE  = 16
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MD5_ALIGN      = 4
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MD5_ALIGN_MASK = MD5_ALIGN - 1
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struct ctx_md5
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        hash            rb MD5_HASH_SIZE
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        block           rb MD5_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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MD4_HASH_SIZE       = 16
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ends
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; SHA1
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SHA1_BLOCK_SIZE = 64
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SHA1_HASH_SIZE  = 20
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SHA1_ALIGN      = 4
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SHA1_ALIGN_MASK = SHA1_ALIGN - 1
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struct ctx_sha1
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        hash            rb SHA1_HASH_SIZE
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        block           rb SHA1_BLOCK_SIZE
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        index           rd 1
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        msglen_0        rd 1
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MD4_BLOCK_SIZE      = 64
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        msglen_1        rd 1
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ends
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; SHA2
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SHA224256_BLOCK_SIZE = 64
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SHA224256_INIT_SIZE  = 32
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SHA224_HASH_SIZE     = 28
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SHA256_HASH_SIZE     = 32
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SHA224256_ALIGN      = 4
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SHA224256_ALIGN_MASK = SHA224256_ALIGN - 1
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MD5_HASH_SIZE       = 16
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struct ctx_sha224256
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MD5_BLOCK_SIZE      = 64
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        hash            rb SHA224256_INIT_SIZE
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        block           rb SHA224256_BLOCK_SIZE
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SHA1_HASH_SIZE      = 20
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        index           rd 1
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SHA1_BLOCK_SIZE     = 64
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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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SHA384512_BLOCK_SIZE = 128
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SHA384512_INIT_SIZE  = 64
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SHA224_HASH_SIZE    = 28
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SHA224_BLOCK_SIZE   = 64
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SHA384_HASH_SIZE     = 48
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SHA512_HASH_SIZE     = 64
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SHA384512_ALIGN      = 16
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SHA384512_ALIGN_MASK = SHA384512_ALIGN - 1
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struct ctx_sha384512
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        hash            rb SHA384512_INIT_SIZE
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        block           rb SHA384512_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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        msglen_2        rd 1
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        msglen_3        rd 1
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                        rd 3    ; align
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        ; tmp vars
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SHA256_HASH_SIZE    = 32
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        w               rq 80
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SHA256_BLOCK_SIZE   = 64
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        A               rq 1
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        B               rq 1
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        C               rq 1
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        D               rq 1
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        E               rq 1
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        F               rq 1
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        G               rq 1
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        H               rq 1
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        temp            rq 1
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ends
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; SHA3
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SHA3224_BLOCK_SIZE      = 144
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SHA3256_BLOCK_SIZE      = 136
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SHA3384_BLOCK_SIZE      = 104
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SHA3512_BLOCK_SIZE      = 72
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SHA3MAX_BLOCK_SIZE      = SHA3224_BLOCK_SIZE
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SHA3_INIT_SIZE          = 200
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SHA3224_HASH_SIZE       = 28
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SHA3256_HASH_SIZE       = 32
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SHA3384_HASH_SIZE       = 48
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SHA3512_HASH_SIZE       = 64
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SHA3_ALIGN              = 16
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SHA3_ALIGN_MASK         = SHA3_ALIGN-1
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SHA384_HASH_SIZE    = 48
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SHA384_BLOCK_SIZE   = 128