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-rw-r--r--modules/ciphers/aes/aes.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/modules/ciphers/aes/aes.h b/modules/ciphers/aes/aes.h
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+/*************************************************
+* 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