1 files changed, 35 insertions, 0 deletions
diff --git a/src/lib/block/des/desx.h b/src/lib/block/des/desx.h
new file mode 100644
index 000000000..aeda3f3c4
--- /dev/null
+++ b/src/lib/block/des/desx.h
@@ -0,0 +1,35 @@
+/*
+* DESX
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_DESX_H__
+#define BOTAN_DESX_H__
+
+#include <botan/des.h>
+
+namespace Botan {
+
+/**
+* DESX
+*/
+class BOTAN_DLL DESX : public Block_Cipher_Fixed_Params<8, 24>
+   {
+   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 "DESX"; }
+      BlockCipher* clone() const { return new DESX; }
+   private:
+      void key_schedule(const byte[], size_t);
+      secure_vector<byte> K1, K2;
+      DES des;
+   };
+
+}
+
+#endif