1 files changed, 85 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/PdfEncryptionStream.java b/src/main/java/com/lowagie/text/pdf/PdfEncryptionStream.java
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+++ b/src/main/java/com/lowagie/text/pdf/PdfEncryptionStream.java
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+/*
+ * $Id: PdfEncryptionStream.java,v 1.3 2005/02/17 09:20:54 blowagie Exp $
+ * $Name:  $
+ *
+ * Copyright 2004 Paulo Soares
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999-2005 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000-2005 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above.  If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or 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.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+
+package com.lowagie.text.pdf;
+
+import java.io.FilterOutputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+
+public class PdfEncryptionStream extends FilterOutputStream {
+    
+    protected PdfEncryption enc;
+    private byte buf[] = new byte[1];
+    
+    public PdfEncryptionStream(OutputStream out, PdfEncryption enc) {
+        super(out);
+        this.enc = enc;
+    }
+    
+    public void write(byte[] b, int off, int len) throws IOException {
+        if ((off | len | (b.length - (len + off)) | (off + len)) < 0)
+            throw new IndexOutOfBoundsException();
+        enc.encryptRC4(b, off, len);
+        out.write(b, off, len);
+    }
+    
+    public void close() throws IOException {
+    }
+    
+    public void write(int b) throws IOException {
+        buf[0] = (byte)b;
+        write(buf);
+    }
+    
+    public void flush() throws IOException {
+    }
+    
+}