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authorlloyd <[email protected]>2006-05-18 18:33:19 +0000
committerlloyd <[email protected]>2006-05-18 18:33:19 +0000
commita2c99d3270eb73ef2db5704fc54356c6b75096f8 (patch)
treead3d6c4fcc8dd0f403f8105598943616246fe172 /include/aes.h
Initial checkin1.5.6
Diffstat (limited to 'include/aes.h')
-rw-r--r--include/aes.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/include/aes.h b/include/aes.h
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+++ b/include/aes.h
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+/*************************************************
+* AES Header File *
+* (C) 1999-2006 The Botan Project *
+*************************************************/
+
+#ifndef BOTAN_AES_H__
+#define BOTAN_AES_H__
+
+#include <botan/base.h>
+
+namespace Botan {
+
+/*************************************************
+* AES *
+*************************************************/
+class 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], SD[256];
+ static const u32bit TE0[256], TE1[256], TE2[256], TE3[256],
+ TD0[256], TD1[256], TD2[256], TD3[256];
+ SecureBuffer<u32bit, 52> EK, DK;
+ SecureBuffer<byte, 32> ME, MD;
+ u32bit ROUNDS;
+ };
+
+/*************************************************
+* AES-128 *
+*************************************************/
+class 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 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 AES_256 : public AES
+ {
+ public:
+ std::string name() const { return "AES-256"; }
+ BlockCipher* clone() const { return new AES_256; }
+ AES_256() : AES(32) {}
+ };
+
+}
+
+#endif