SpeckTiny.h

/*
 * Copyright (C) 2016 Southern Storm Software, Pty Ltd.
 *
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 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
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 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 */
 
#ifndef CRYPTO_SPECK_TINY_H
#define CRYPTO_SPECK_TINY_H
 
#include "BlockCipher.h"
 
class SpeckSmall;
 
class SpeckTiny : public BlockCipher
{
public:
    SpeckTiny();
    virtual ~SpeckTiny();
 
    size_t blockSize() const;
    size_t keySize() const;
 
    bool setKey(const uint8_t *key, size_t len);
 
    void encryptBlock(uint8_t *output, const uint8_t *input);
    void decryptBlock(uint8_t *output, const uint8_t *input);
 
    void clear();
 
private:
    uint64_t k[4];
    uint8_t rounds;
 
    friend class SpeckSmall;
};
 
#endif