/*
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* Copyright (C) 2016 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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#ifndef CRYPTO_SHAKE_h
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#define CRYPTO_SHAKE_h
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#include "XOF.h"
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#include "KeccakCore.h"
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class SHAKE : public XOF
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{
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public:
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virtual ~SHAKE();
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size_t blockSize() const;
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void reset();
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void update(const void *data, size_t len);
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void extend(uint8_t *data, size_t len);
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void encrypt(uint8_t *output, const uint8_t *input, size_t len);
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void clear();
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protected:
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SHAKE(size_t capacity);
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private:
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KeccakCore core;
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bool finalized;
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};
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class SHAKE128 : public SHAKE
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{
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public:
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SHAKE128() : SHAKE(256) {}
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virtual ~SHAKE128();
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};
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class SHAKE256 : public SHAKE
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{
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public:
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SHAKE256() : SHAKE(512) {}
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virtual ~SHAKE256();
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};
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#endif
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