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DeFiDude
71 lines
1.9 KiB
C++
71 lines
1.9 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 "SHA224.h"
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#include "Crypto.h"
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/**
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* \class SHA224 SHA224.h <SHA224.h>
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* \brief SHA-224 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 SHA224::HASH_SIZE
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* \brief Constant for the size of the hash output of SHA224.
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*/
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/**
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* \var SHA224::BLOCK_SIZE
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* \brief Constant for the block size of SHA224.
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*/
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/**
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* \brief Constructs a SHA-224 hash object.
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*/
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SHA224::SHA224()
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{
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reset();
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}
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size_t SHA224::hashSize() const
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{
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return 28;
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}
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void SHA224::reset()
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{
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state.h[0] = 0xc1059ed8;
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state.h[1] = 0x367cd507;
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state.h[2] = 0x3070dd17;
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state.h[3] = 0xf70e5939;
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state.h[4] = 0xffc00b31;
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state.h[5] = 0x68581511;
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state.h[6] = 0x64f98fa7;
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state.h[7] = 0xbefa4fa4;
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state.chunkSize = 0;
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state.length = 0;
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}
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