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DeFiDude
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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* Copyright (C) 2015 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "SHA384.h"
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#include "Crypto.h"
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#include "utility/ProgMemUtil.h"
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#include <string.h>
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/**
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* \class SHA384 SHA384.h <SHA384.h>
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* \brief SHA-384 hash algorithm.
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*
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* Reference: http://en.wikipedia.org/wiki/SHA-2
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*
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* \sa SHA256, SHA512, SHA3_256, BLAKE2s
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*/
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/**
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* \var SHA384::HASH_SIZE
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* \brief Constant for the size of the hash output of SHA384.
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*/
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/**
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* \var SHA384::BLOCK_SIZE
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* \brief Constant for the block size of SHA384.
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*/
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/**
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* \brief Constructs a SHA-384 hash object.
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*/
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SHA384::SHA384()
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{
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reset();
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}
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size_t SHA384::hashSize() const
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{
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return 48;
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}
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void SHA384::reset()
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{
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static uint64_t const hashStart[8] PROGMEM = {
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0xcbbb9d5dc1059ed8ULL, 0x629a292a367cd507ULL, 0x9159015a3070dd17ULL,
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0x152fecd8f70e5939ULL, 0x67332667ffc00b31ULL, 0x8eb44a8768581511ULL,
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0xdb0c2e0d64f98fa7ULL, 0x47b5481dbefa4fa4ULL
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};
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memcpy_P(state.h, hashStart, sizeof(hashStart));
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state.chunkSize = 0;
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state.lengthLow = 0;
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state.lengthHigh = 0;
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}
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