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/*
* IDEA
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_IDEA_H__
#define BOTAN_IDEA_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* IDEA
*/
class BOTAN_DLL IDEA final : public Block_Cipher_Fixed_Params<8, 16>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const override;
void decrypt_n(const byte in[], byte out[], size_t blocks) const override;
void clear() override;
std::string provider() const override;
std::string name() const override { return "IDEA"; }
BlockCipher* clone() const override { return new IDEA; }
private:
#if defined(BOTAN_HAS_IDEA_SSE2)
void sse2_idea_op_8(const byte in[64], byte out[64], const u16bit EK[52]) const;
#endif
void key_schedule(const byte[], size_t) override;
secure_vector<u16bit> m_EK, m_DK;
};
}
#endif
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