1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
|
/*
* AES using SSSE3
* (C) 2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_AES_SSSE3_H__
#define BOTAN_AES_SSSE3_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* AES-128 using SSSE3
*/
class BOTAN_DLL AES_128_SSSE3 : public Block_Cipher_Fixed_Params<16, 16>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear() { zeroise(EK); zeroise(DK); }
std::string name() const { return "AES-128"; }
BlockCipher* clone() const { return new AES_128_SSSE3; }
AES_128_SSSE3() : EK(44), DK(44) {}
private:
void key_schedule(const byte[], size_t);
SecureVector<u32bit> EK, DK;
};
/**
* AES-192 using SSSE3
*/
class BOTAN_DLL AES_192_SSSE3 : public Block_Cipher_Fixed_Params<16, 24>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear() { zeroise(EK); zeroise(DK); }
std::string name() const { return "AES-192"; }
BlockCipher* clone() const { return new AES_192_SSSE3; }
AES_192_SSSE3() : EK(52), DK(52) {}
private:
void key_schedule(const byte[], size_t);
SecureVector<u32bit> EK, DK;
};
/**
* AES-256 using SSSE3
*/
class BOTAN_DLL AES_256_SSSE3 : public Block_Cipher_Fixed_Params<16, 32>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear() { zeroise(EK); zeroise(DK); }
std::string name() const { return "AES-256"; }
BlockCipher* clone() const { return new AES_256_SSSE3; }
AES_256_SSSE3() : EK(60), DK(60) {}
private:
void key_schedule(const byte[], size_t);
SecureVector<u32bit> EK, DK;
};
}
#endif
|