1 files changed, 179 insertions, 0 deletions
diff --git a/src/main/java/test/pdfbox/encryption/TestEncryption.java b/src/main/java/test/pdfbox/encryption/TestEncryption.java
new file mode 100644
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+++ b/src/main/java/test/pdfbox/encryption/TestEncryption.java
@@ -0,0 +1,179 @@
+/**
+ * Copyright (c) 2004, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package test.pdfbox.encryption;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+import org.apache.log4j.Logger;
+
+import org.pdfbox.encryption.PDFEncryption;
+
+/**
+ * This will test the encryption algorithms in PDFBox.
+ *
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.3 $
+ */
+public class TestEncryption extends TestCase
+{
+    private static Logger log = Logger.getLogger(TestEncryption.class);
+
+    /**
+     * Constructor.
+     *
+     * @param name The name of the test to run.
+     */
+    public TestEncryption( String name )
+    {
+        super( name );
+    }
+
+    /**
+     * This will get the suite of test that this class holds.
+     *
+     * @return All of the tests that this class holds.
+     */
+    public static Test suite()
+    {
+        return new TestSuite( TestEncryption.class );
+    }
+
+    /**
+     * infamous main method.
+     *
+     * @param args The command line arguments.
+     */
+    public static void main( String[] args )
+    {
+        String[] arg = {TestEncryption.class.getName() };
+        junit.textui.TestRunner.main( arg );
+    }
+
+    /**
+     * This will test some simple encryption.
+     *
+     * @throws Exception If there is an exception while encrypting.
+     */
+    public void testEncryption() throws Exception
+    {
+        byte[] key={0x65, 0x3d, 0x4f, 0x70, 0x0c };
+        byte[] data={0x31, 0x20, 0x30, 0x20, 0x30, 0x20, 0x72, 0x67, 0x20, 0x30,
+                    0x20, 0x30, 0x20, 0x33, 0x30, 0x38, 0x2e, 0x34, 0x37, 0x34,
+                    0x37, 0x20, 0x35, 0x37, 0x2e, 0x36, 0x32, 0x37, 0x31, 0x20,
+                    0x72, 0x65, 0x20, 0x66, 0x20, 0x30, 0x20, 0x47, 0x20, 0x31,
+                    0x20, 0x77, 0x20, 0x30, 0x2e, 0x35, 0x20, 0x30, 0x2e, 0x35,
+                    0x20, 0x33, 0x30, 0x37, 0x2e, 0x34, 0x37, 0x34, 0x37, 0x20,
+                    0x35, 0x36, 0x2e, 0x36, 0x32, 0x37, 0x31, 0x20, 0x72, 0x65,
+                    0x20, 0x73, 0x20, 0x2f, 0x54, 0x78, 0x20, 0x42, 0x4d, 0x43,
+                    0x20, 0x71, 0x20, 0x31, 0x20, 0x31, 0x20, 0x33, 0x30, 0x36,
+                    0x2e, 0x34, 0x37, 0x34, 0x37, 0x20, 0x35, 0x35, 0x2e, 0x36,
+                    0x32, 0x37, 0x31, 0x20, 0x72, 0x65, 0x20, 0x57, 0x20, 0x6e,
+                    0x20, 0x30, 0x20, 0x67, 0x20, 0x42, 0x54, 0x0a, 0x2f, 0x48,
+                    0x65, 0x6c, 0x76, 0x20, 0x31, 0x30, 0x20, 0x54, 0x66, 0x0a,
+                    0x32, 0x20, 0x32, 0x35, 0x2e, 0x31, 0x30, 0x33, 0x35, 0x20,
+                    0x54, 0x64, 0x0a, 0x31, 0x31, 0x2e, 0x35, 0x35, 0x39, 0x39,
+                    0x20, 0x54, 0x4c, 0x0a, 0x28, 0x2d, 0x2d, 0x5c, 0x30, 0x34,
+                    0x30, 0x44, 0x65, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x5c, 0x30,
+                    0x34, 0x30, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x5c, 0x30, 0x34,
+                    0x30, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x5c, 0x30, 0x34, 0x30,
+                    0x2d, 0x2d, 0x29, 0x20, 0x54, 0x6a, 0x0a, 0x45, 0x54, 0x0a,
+                    0x20, 0x51, 0x20, 0x45, 0x4d, 0x43, (byte)0x8a, 0x0d, 0x0a
+                    };
+        PDFEncryption enc = new PDFEncryption();
+        ByteArrayOutputStream output = new ByteArrayOutputStream();
+        enc.encryptData( 43, 0, key, new ByteArrayInputStream( data ), output );
+
+        byte[] encrypted = output.toByteArray();
+        printHexString( encrypted );
+
+        ByteArrayOutputStream sameAsInput = new ByteArrayOutputStream();
+        enc.encryptData( 43, 0, key, new ByteArrayInputStream( encrypted ), sameAsInput );
+        byte[] dataAgain = sameAsInput.toByteArray();
+        cmpArray( data, dataAgain );
+    }
+
+    /**
+     * This will compare a couple of arrays and fail if they do not match.
+     *
+     * @param firstArray The first array.
+     * @param secondArray The second array.
+     */
+    private void cmpArray( byte[] firstArray, byte[] secondArray )
+    {
+        if( firstArray.length != secondArray.length )
+        {
+            fail( "The array lengths do not match for " +
+                  ", firstArray length was: " + firstArray.length +
+                  ", secondArray length was: " + secondArray.length);
+        }
+
+        for( int i=0; i<firstArray.length; i++ )
+        {
+            if( firstArray[i] != secondArray[i] )
+            {
+                fail( "Array data does not match "  );
+            }
+        }
+    }
+
+    /**
+     * This will print a byte array as a hex string to standard output.
+     *
+     * @param data The array to print.
+     */
+    private void printHexString( byte[] data )
+    {
+        for( int i=0; i<data.length; i++ )
+        {
+            int nextByte = (data[i] + 256)%256;
+            String hexString = Integer.toHexString( nextByte );
+            if( hexString.length() < 2 )
+            {
+                hexString = "0" + hexString;
+            }
+            System.out.print( hexString );
+            if( i != 0 && (i+1) % 2 == 0 )
+            {
+                System.out.print( " " );
+            }
+            else if( i!= 0 &&i % 20 == 0 )
+            {
+                System.out.println();
+            }
+        }
+        System.out.println();
+    }
+}
+\ No newline at end of file