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Diffstat (limited to 'modules/ciphers/aes/aes.h')
-rw-r--r-- | modules/ciphers/aes/aes.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/modules/ciphers/aes/aes.h b/modules/ciphers/aes/aes.h new file mode 100644 index 000000000..5b43735ad --- /dev/null +++ b/modules/ciphers/aes/aes.h @@ -0,0 +1,74 @@ +/************************************************* +* AES Header File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#ifndef BOTAN_AES_H__ +#define BOTAN_AES_H__ + +#include <botan/base.h> + +namespace Botan { + +/************************************************* +* AES * +*************************************************/ +class BOTAN_DLL AES : public BlockCipher + { + public: + void clear() throw(); + std::string name() const { return "AES"; } + BlockCipher* clone() const { return new AES; } + AES() : BlockCipher(16, 16, 32, 8) { ROUNDS = 14; } + AES(u32bit); + private: + void enc(const byte[], byte[]) const; + void dec(const byte[], byte[]) const; + void key(const byte[], u32bit); + static u32bit S(u32bit); + + static const byte SE[256]; + static const byte SD[256]; + static const u32bit TE[1024]; + static const u32bit TD[1024]; + SecureBuffer<u32bit, 52> EK, DK; + SecureBuffer<byte, 32> ME, MD; + u32bit ROUNDS; + }; + +/************************************************* +* AES-128 * +*************************************************/ +class BOTAN_DLL AES_128 : public AES + { + public: + std::string name() const { return "AES-128"; } + BlockCipher* clone() const { return new AES_128; } + AES_128() : AES(16) {} + }; + +/************************************************* +* AES-192 * +*************************************************/ +class BOTAN_DLL AES_192 : public AES + { + public: + std::string name() const { return "AES-192"; } + BlockCipher* clone() const { return new AES_192; } + AES_192() : AES(24) {} + }; + +/************************************************* +* AES-256 * +*************************************************/ +class BOTAN_DLL AES_256 : public AES + { + public: + std::string name() const { return "AES-256"; } + BlockCipher* clone() const { return new AES_256; } + AES_256() : AES(32) {} + }; + +} + +#endif |