Botan  1.11.15
src/lib/block/aes_ssse3/aes_ssse3.h
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00001 /*
00002 * AES using SSSE3
00003 * (C) 2010 Jack Lloyd
00004 *
00005 * Botan is released under the Simplified BSD License (see license.txt)
00006 */
00007 
00008 #ifndef BOTAN_AES_SSSE3_H__
00009 #define BOTAN_AES_SSSE3_H__
00010 
00011 #include <botan/block_cipher.h>
00012 
00013 namespace Botan {
00014 
00015 /**
00016 * AES-128 using SSSE3
00017 */
00018 class BOTAN_DLL AES_128_SSSE3 : public Block_Cipher_Fixed_Params<16, 16>
00019    {
00020    public:
00021       void encrypt_n(const byte in[], byte out[], size_t blocks) const;
00022       void decrypt_n(const byte in[], byte out[], size_t blocks) const;
00023 
00024       void clear();
00025       std::string name() const { return "AES-128"; }
00026       BlockCipher* clone() const { return new AES_128_SSSE3; }
00027    private:
00028       void key_schedule(const byte[], size_t);
00029 
00030       secure_vector<u32bit> EK, DK;
00031    };
00032 
00033 /**
00034 * AES-192 using SSSE3
00035 */
00036 class BOTAN_DLL AES_192_SSSE3 : public Block_Cipher_Fixed_Params<16, 24>
00037    {
00038    public:
00039       void encrypt_n(const byte in[], byte out[], size_t blocks) const;
00040       void decrypt_n(const byte in[], byte out[], size_t blocks) const;
00041 
00042       void clear();
00043       std::string name() const { return "AES-192"; }
00044       BlockCipher* clone() const { return new AES_192_SSSE3; }
00045    private:
00046       void key_schedule(const byte[], size_t);
00047 
00048       secure_vector<u32bit> EK, DK;
00049    };
00050 
00051 /**
00052 * AES-256 using SSSE3
00053 */
00054 class BOTAN_DLL AES_256_SSSE3 : public Block_Cipher_Fixed_Params<16, 32>
00055    {
00056    public:
00057       void encrypt_n(const byte in[], byte out[], size_t blocks) const;
00058       void decrypt_n(const byte in[], byte out[], size_t blocks) const;
00059 
00060       void clear();
00061       std::string name() const { return "AES-256"; }
00062       BlockCipher* clone() const { return new AES_256_SSSE3; }
00063    private:
00064       void key_schedule(const byte[], size_t);
00065 
00066       secure_vector<u32bit> EK, DK;
00067    };
00068 
00069 }
00070 
00071 #endif