We now have a current svn snapshot of libqxt in our contrib dir, and

[quassel.git] / src / contrib / libqxt-2007-10-24 / src / crypto / qxtblowfish.cpp

diff --git a/src/contrib/libqxt-2007-10-24/src/crypto/qxtblowfish.cpp b/src/contrib/libqxt-2007-10-24/src/crypto/qxtblowfish.cpp
new file mode 100644 (file)
index 0000000..6738df4
--- /dev/null
+++ b/src/contrib/libqxt-2007-10-24/src/crypto/qxtblowfish.cpp
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** Copyright (C) Qxt Foundation. Some rights reserved.
+**
+** This file is part of the QxtCrypto module of the Qt eXTension library
+**
+** This library is free software; you can redistribute it and/or modify it
+** under the terms of th Common Public License, version 1.0, as published by
+** IBM.
+**
+** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
+** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
+** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
+** FITNESS FOR A PARTICULAR PURPOSE.
+**
+** You should have received a copy of the CPL along with this file.
+** See the LICENSE file and the cpl1.0.txt file included with the source
+** distribution for more information. If you did not receive a copy of the
+** license, contact the Qxt Foundation.
+**
+** <http://libqxt.sourceforge.net>  <foundation@libqxt.org>
+**
+****************************************************************************/
+
+
+#include "qxtblowfish.h"
+#include <openssl/blowfish.h>
+
+
+
+/**
+\class QxtBlowFish QxtBlowFish
+
+\ingroup QxtCrypto
+
+\brief  Blowfish Encryption Class
+
+
+useage:
+\code
+QxtBlowFish() fish;
+fish.setPassword("foobar").
+
+QByteArray a("barblah");
+
+a= fish.encrypt(a);
+a= fish.decrypt(a);
+\endcode
+*/
+
+
+
+
+
+QxtBlowFish::QxtBlowFish(QObject * parent) :QObject(parent)
+{
+    key=new BF_KEY;
+}
+
+QxtBlowFish::~QxtBlowFish()
+{
+    delete(key);
+}
+
+
+void QxtBlowFish::setPassword(QByteArray k )
+{
+    BF_set_key(key, k.count() , (unsigned char *)k.constData ());
+}
+
+
+
+QByteArray  QxtBlowFish::encrypt(QByteArray in)
+{
+    QByteArray out(in);
+    int num =0;
+    unsigned char  ivec [9];
+    ivec[0]=(unsigned char )3887;
+    ivec[1]=(unsigned char )3432;
+    ivec[2]=(unsigned char )3887;
+    ivec[3]=(unsigned char )2344;
+    ivec[4]=(unsigned char )678;
+    ivec[5]=(unsigned char )3887;
+    ivec[6]=(unsigned char )575;
+    ivec[7]=(unsigned char )2344;
+    ivec[8]=(unsigned char )2222;
+
+
+    BF_cfb64_encrypt(
+        (unsigned char *)in.constData (),
+        (unsigned char *)out.data(),
+        in.size(),
+        key,
+        ivec,
+        &num,
+        BF_ENCRYPT
+    );
+
+
+    out=out.toBase64();
+    return out;
+
+}
+
+
+QByteArray  QxtBlowFish::decrypt(QByteArray in)
+
+{
+    in=QByteArray::fromBase64(in);
+
+    QByteArray out(in);
+
+    int num =0;
+    unsigned char  ivec [9];
+    ivec[0]=(unsigned char )3887;
+    ivec[1]=(unsigned char )3432;
+    ivec[2]=(unsigned char )3887;
+    ivec[3]=(unsigned char )2344;
+    ivec[4]=(unsigned char )678;
+    ivec[5]=(unsigned char )3887;
+    ivec[6]=(unsigned char )575;
+    ivec[7]=(unsigned char )2344;
+    ivec[8]=(unsigned char )2222;
+
+
+    BF_cfb64_encrypt(
+        (unsigned char *)in.constData (),
+        (unsigned char *)out.data(),
+        in.size(),
+        key,
+        ivec,
+        &num,
+        BF_DECRYPT
+    );
+
+
+    return out;
+}