1 files changed, 62 insertions, 0 deletions
diff --git a/kwallet/backend/cbc.h b/kwallet/backend/cbc.h
new file mode 100644
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+++ b/kwallet/backend/cbc.h
@@ -0,0 +1,62 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001 George Staikos <staikos@kde.org>
+ 
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+ 
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+ 
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+
+
+#ifndef __CBC__KO__H
+#define __CBC__KO__H
+
+#include "blockcipher.h"
+
+/* @internal
+ *   Initialize this class with a pointer to a valid, uninitialized BlockCipher
+ *   and it will apply that cipher using CBC.  You may want to make the
+ *   initial block a full block of random data.  Do not change the block size
+ *   at any time!!  You must pad it yourself.  Also, you can only encrypt or
+ *   decrypt.  You can't do both with a given instance.  After you call one,
+ *   calls to the other will fail in this instance.
+ */
+
+class CipherBlockChain : public BlockCipher {
+	public:
+		CipherBlockChain(BlockCipher *cipher);
+		virtual ~CipherBlockChain();
+
+		virtual bool setKey(void *key, int bitlength);
+
+		virtual int keyLen() const;
+
+		virtual bool variableKeyLen() const;
+
+		virtual bool readyToGo() const;
+
+		virtual int encrypt(void *block, int len);
+
+		virtual int decrypt(void *block, int len);
+
+	private: 
+		BlockCipher *_cipher;
+		void *_register;
+		void *_next;
+		int _len;
+		int _reader, _writer;
+
+};
+
+#endif