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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>
BOTAN_FUTURE_INTERNAL_HEADER(idea.h)
namespace Botan {
/**
* IDEA
*/
class BOTAN_PUBLIC_API(2,0) IDEA final : public Block_Cipher_Fixed_Params<8, 16>
{
public:
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void decrypt_n(const uint8_t in[], uint8_t 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; }
size_t parallelism() const override;
private:
#if defined(BOTAN_HAS_IDEA_SSE2)
void sse2_idea_op_8(const uint8_t in[64], uint8_t out[64], const uint16_t EK[52]) const;
#endif
void key_schedule(const uint8_t[], size_t) override;
secure_vector<uint16_t> m_EK, m_DK;
};
}
#endif