1 files changed, 42 insertions, 0 deletions
diff --git a/lib/block/rc5/rc5.h b/lib/block/rc5/rc5.h
new file mode 100644
index 000000000..9055974e5
--- /dev/null
+++ b/lib/block/rc5/rc5.h
@@ -0,0 +1,42 @@
+/*
+* RC5
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_RC5_H__
+#define BOTAN_RC5_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/**
+* RC5
+*/
+class BOTAN_DLL RC5 : public Block_Cipher_Fixed_Params<8, 1, 32>
+   {
+   public:
+      void encrypt_n(const byte in[], byte out[], size_t blocks) const;
+      void decrypt_n(const byte in[], byte out[], size_t blocks) const;
+
+      void clear();
+      std::string name() const;
+      BlockCipher* clone() const { return new RC5(rounds); }
+
+      /**
+      * @param rounds the number of RC5 rounds to run. Must be between
+      * 8 and 32 and a multiple of 4.
+      */
+      RC5(size_t rounds);
+   private:
+      void key_schedule(const byte[], size_t);
+
+      size_t rounds;
+      secure_vector<u32bit> S;
+   };
+
+}
+
+#endif