AESCipher.java

/*
 * $Id: AESCipher.java 3117 2008-01-31 05:53:22Z xlv $
 *
 * Copyright 2006 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, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 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.crypto;

import org.bouncycastle.crypto.BlockCipher;
import org.bouncycastle.crypto.engines.AESFastEngine;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;

/**
 * Creates an AES Cipher with CBC and padding PKCS5/7.
 * 
 * @author Paulo Soares (psoares@consiste.pt)
 */
public class AESCipher {
  private final PaddedBufferedBlockCipher bp;

  /** Creates a new instance of AESCipher */
  public AESCipher(boolean forEncryption, byte[] key, byte[] iv) {
    BlockCipher aes = new AESFastEngine();
    BlockCipher cbc = new CBCBlockCipher(aes);
    bp = new PaddedBufferedBlockCipher(cbc);
    KeyParameter kp = new KeyParameter(key);
    ParametersWithIV piv = new ParametersWithIV(kp, iv);
    bp.init(forEncryption, piv);
  }

  public byte[] update(byte[] inp, int inpOff, int inpLen) {
    int neededLen = bp.getUpdateOutputSize(inpLen);
    byte[] outp = null;
    if (neededLen > 0)
      outp = new byte[neededLen];
    else
      neededLen = 0;
    bp.processBytes(inp, inpOff, inpLen, outp, 0);
    return outp;
  }

  public byte[] doFinal() {
    int neededLen = bp.getOutputSize(0);
    byte[] outp = new byte[neededLen];
    int n = 0;
    try {
      n = bp.doFinal(outp, 0);
    } catch (Exception ex) {
      return outp;
    }
    if (n != outp.length) {
      byte[] outp2 = new byte[n];
      System.arraycopy(outp, 0, outp2, 0, n);
      return outp2;
    } else
      return outp;
  }

}









Active mutators

INCREMENTS_MUTATOR
VOID_METHOD_CALL_MUTATOR
RETURN_VALS_MUTATOR
MATH_MUTATOR
NEGATE_CONDITIONALS_MUTATOR
INVERT_NEGS_MUTATOR
CONDITIONALS_BOUNDARY_MUTATOR

Tests examined

Report generated by PIT 1.4.2

1		/*
2		* $Id: AESCipher.java 3117 2008-01-31 05:53:22Z xlv $
3		*
4		* Copyright 2006 Paulo Soares
5		*
6		* The contents of this file are subject to the Mozilla Public License Version 1.1
7		* (the "License"); you may not use this file except in compliance with the License.
8		* You may obtain a copy of the License at http://www.mozilla.org/MPL/
9		*
10		* Software distributed under the License is distributed on an "AS IS" basis,
11		* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12		* for the specific language governing rights and limitations under the License.
13		*
14		* The Original Code is 'iText, a free JAVA-PDF library'.
15		*
16		* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
17		* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
18		* All Rights Reserved.
19		* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
20		* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
21		*
22		* Contributor(s): all the names of the contributors are added in the source code
23		* where applicable.
24		*
25		* Alternatively, the contents of this file may be used under the terms of the
26		* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
27		* provisions of LGPL are applicable instead of those above. If you wish to
28		* allow use of your version of this file only under the terms of the LGPL
29		* License and not to allow others to use your version of this file under
30		* the MPL, indicate your decision by deleting the provisions above and
31		* replace them with the notice and other provisions required by the LGPL.
32		* If you do not delete the provisions above, a recipient may use your version
33		* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
34		*
35		* This library is free software; you can redistribute it and/or modify it
36		* under the terms of the MPL as stated above or under the terms of the GNU
37		* Library General Public License as published by the Free Software Foundation;
38		* either version 2 of the License, or any later version.
39		*
40		* This library is distributed in the hope that it will be useful, but WITHOUT
41		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
42		* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
43		* details.
44		*
45		* If you didn't download this code from the following link, you should check if
46		* you aren't using an obsolete version:
47		* http://www.lowagie.com/iText/
48		*/
49		package com.lowagie.text.pdf.crypto;
50
51		import org.bouncycastle.crypto.BlockCipher;
52		import org.bouncycastle.crypto.engines.AESFastEngine;
53		import org.bouncycastle.crypto.modes.CBCBlockCipher;
54		import org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher;
55		import org.bouncycastle.crypto.params.KeyParameter;
56		import org.bouncycastle.crypto.params.ParametersWithIV;
57
58		/**
59		* Creates an AES Cipher with CBC and padding PKCS5/7.
60		*
61		* @author Paulo Soares (psoares@consiste.pt)
62		*/
63		public class AESCipher {
64		private final PaddedBufferedBlockCipher bp;
65
66		/** Creates a new instance of AESCipher */
67		public AESCipher(boolean forEncryption, byte[] key, byte[] iv) {
68		BlockCipher aes = new AESFastEngine();
69		BlockCipher cbc = new CBCBlockCipher(aes);
70		bp = new PaddedBufferedBlockCipher(cbc);
71		KeyParameter kp = new KeyParameter(key);
72		ParametersWithIV piv = new ParametersWithIV(kp, iv);
73		bp.init(forEncryption, piv);
74		}
75
76		public byte[] update(byte[] inp, int inpOff, int inpLen) {
77		int neededLen = bp.getUpdateOutputSize(inpLen);
78		byte[] outp = null;
79	2 1. update : changed conditional boundary → NO_COVERAGE 2. update : negated conditional → NO_COVERAGE	if (neededLen > 0)
80		outp = new byte[neededLen];
81		else
82		neededLen = 0;
83		bp.processBytes(inp, inpOff, inpLen, outp, 0);
84	1 1. update : mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::update to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return outp;
85		}
86
87		public byte[] doFinal() {
88		int neededLen = bp.getOutputSize(0);
89		byte[] outp = new byte[neededLen];
90		int n = 0;
91		try {
92		n = bp.doFinal(outp, 0);
93		} catch (Exception ex) {
94	1 1. doFinal : mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::doFinal to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return outp;
95		}
96	1 1. doFinal : negated conditional → NO_COVERAGE	if (n != outp.length) {
97		byte[] outp2 = new byte[n];
98	1 1. doFinal : removed call to java/lang/System::arraycopy → NO_COVERAGE	System.arraycopy(outp, 0, outp2, 0, n);
99	1 1. doFinal : mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::doFinal to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return outp2;
100		} else
101	1 1. doFinal : mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::doFinal to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return outp;
102		}
103
104		}
		Mutations
79		1.1 Location : update Killed by : none changed conditional boundary → NO_COVERAGE 2.2 Location : update Killed by : none negated conditional → NO_COVERAGE
84		1.1 Location : update Killed by : none mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::update to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
94		1.1 Location : doFinal Killed by : none mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::doFinal to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
96		1.1 Location : doFinal Killed by : none negated conditional → NO_COVERAGE
98		1.1 Location : doFinal Killed by : none removed call to java/lang/System::arraycopy → NO_COVERAGE
99		1.1 Location : doFinal Killed by : none mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::doFinal to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
101		1.1 Location : doFinal Killed by : none mutated return of Object value for com/lowagie/text/pdf/crypto/AESCipher::doFinal to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE

AESCipher.java

Mutations

Active mutators

Tests examined