Split ciphers into block and stream ciphers. Move base class headers

1 files changed, 74 insertions, 0 deletions

diff --git a/src/block/aes/aes.h b/src/block/aes/aes.h
new file mode 100644
index 000000000..e287a303d
--- /dev/null
+++ b/src/block/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/block_cipher.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