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/*
* AES
* (C) 1999-2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_AES_H__
#define BOTAN_AES_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* AES-128
*/
class BOTAN_DLL AES_128 final : public Block_Cipher_Fixed_Params<16, 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 "AES-128"; }
BlockCipher* clone() const override { return new AES_128; }
private:
void key_schedule(const uint8_t key[], size_t length) override;
#if defined(BOTAN_HAS_AES_SSSE3)
void ssse3_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void ssse3_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void ssse3_key_schedule(const uint8_t key[], size_t length);
#endif
#if defined(BOTAN_HAS_AES_NI)
void aesni_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void aesni_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void aesni_key_schedule(const uint8_t key[], size_t length);
#endif
secure_vector<uint32_t> m_EK, m_DK;
secure_vector<uint8_t> m_ME, m_MD;
};
/**
* AES-192
*/
class BOTAN_DLL AES_192 final : public Block_Cipher_Fixed_Params<16, 24>
{
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 "AES-192"; }
BlockCipher* clone() const override { return new AES_192; }
private:
#if defined(BOTAN_HAS_AES_SSSE3)
void ssse3_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void ssse3_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void ssse3_key_schedule(const uint8_t key[], size_t length);
#endif
#if defined(BOTAN_HAS_AES_NI)
void aesni_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void aesni_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void aesni_key_schedule(const uint8_t key[], size_t length);
#endif
void key_schedule(const uint8_t key[], size_t length) override;
secure_vector<uint32_t> m_EK, m_DK;
secure_vector<uint8_t> m_ME, m_MD;
};
/**
* AES-256
*/
class BOTAN_DLL AES_256 final : public Block_Cipher_Fixed_Params<16, 32>
{
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 "AES-256"; }
BlockCipher* clone() const override { return new AES_256; }
private:
#if defined(BOTAN_HAS_AES_SSSE3)
void ssse3_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void ssse3_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void ssse3_key_schedule(const uint8_t key[], size_t length);
#endif
#if defined(BOTAN_HAS_AES_NI)
void aesni_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void aesni_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
void aesni_key_schedule(const uint8_t key[], size_t length);
#endif
void key_schedule(const uint8_t key[], size_t length) override;
secure_vector<uint32_t> m_EK, m_DK;
secure_vector<uint8_t> m_ME, m_MD;
};
}
#endif
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