1 files changed, 76 insertions, 0 deletions
diff --git a/tdewallet/backend/blockcipher.h b/tdewallet/backend/blockcipher.h
new file mode 100644
index 000000000..aadff6e70
--- /dev/null
+++ b/tdewallet/backend/blockcipher.h
@@ -0,0 +1,76 @@
+/* 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 __bcipher__ko__h
+#define __bcipher__ko__h
+
+
+/* @internal
+ */
+class BlockCipher {
+	public:
+		BlockCipher();
+		virtual ~BlockCipher();
+
+		/*
+		 *  Return the current blocksize in bytes.
+		 */
+		int blockSize() const;
+
+		/*
+		 *  Set the encryption key to key.  Return true on success.
+		 */
+		virtual bool setKey(void *key, int bitlength) = 0;
+
+		/*
+		 *  Get the required (or if it's variable, then the maximum) key
+		 *  length for this cipher in bits.
+		 */
+		virtual int keyLen() const = 0;
+
+		/*
+		 *  True if the key is of a variable length.  In this case,
+		 *  getKeyLen() will return the maximum length.
+		 */
+		virtual bool variableKeyLen() const = 0;
+
+		/*
+		 *  True if all settings are good and we are ready to encrypt.
+		 */
+		virtual bool readyToGo() const = 0;
+
+		/*
+		 *  Encrypt the block.  Returns the number of bytes successfully
+		 *  encrypted.  Can return -1 on error.
+		 */
+		virtual int encrypt(void *block, int len) = 0;
+
+		/*
+		 *  Decrypt the block.  Returns as does encrypt();
+		 */
+		virtual int decrypt(void *block, int len) = 0;
+
+	protected:
+		int _blksz;
+		int _keylen;   // in bits
+};
+
+
+#endif