1 files changed, 46 insertions, 0 deletions
diff --git a/lib/block/idea/idea.h b/lib/block/idea/idea.h
new file mode 100644
index 000000000..da5dc4cb6
--- /dev/null
+++ b/lib/block/idea/idea.h
@@ -0,0 +1,46 @@
+/*
+* IDEA
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_IDEA_H__
+#define BOTAN_IDEA_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/**
+* IDEA
+*/
+class BOTAN_DLL IDEA : public Block_Cipher_Fixed_Params<8, 16>
+   {
+   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 { return "IDEA"; }
+      BlockCipher* clone() const { return new IDEA; }
+   protected:
+      /**
+      * @return const reference to encryption subkeys
+      */
+      const secure_vector<u16bit>& get_EK() const { return EK; }
+
+      /**
+      * @return const reference to decryption subkeys
+      */
+      const secure_vector<u16bit>& get_DK() const { return DK; }
+
+   private:
+      void key_schedule(const byte[], size_t);
+
+      secure_vector<u16bit> EK, DK;
+   };
+
+}
+
+#endif