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/*
* CAST-128
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_CAST128_H_
#define BOTAN_CAST128_H_
#include <botan/block_cipher.h>
BOTAN_FUTURE_INTERNAL_HEADER(cast128.h)
namespace Botan {
/**
* CAST-128
*/
class BOTAN_PUBLIC_API(2,0) CAST_128 final : public Block_Cipher_Fixed_Params<8, 11, 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 name() const override { return "CAST-128"; }
BlockCipher* clone() const override { return new CAST_128; }
private:
void key_schedule(const uint8_t[], size_t) override;
static void cast_ks(secure_vector<uint32_t>& ks,
secure_vector<uint32_t>& user_key);
secure_vector<uint32_t> m_MK;
secure_vector<uint8_t> m_RK;
};
}
#endif
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