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Diffstat (limited to 'libjava/javax/crypto/NullCipherImpl.java')
-rw-r--r-- | libjava/javax/crypto/NullCipherImpl.java | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/libjava/javax/crypto/NullCipherImpl.java b/libjava/javax/crypto/NullCipherImpl.java deleted file mode 100644 index 2ff5e0e..0000000 --- a/libjava/javax/crypto/NullCipherImpl.java +++ /dev/null @@ -1,127 +0,0 @@ -/* NullCipherImpl.java -- implementation of NullCipher. - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.crypto; - -import java.security.AlgorithmParameters; -import java.security.Key; -import java.security.SecureRandom; -import java.security.spec.AlgorithmParameterSpec; - -/** - * Implementation of the identity cipher. - */ -final class NullCipherImpl extends CipherSpi -{ - - // Constructor. - // ------------------------------------------------------------------------- - - NullCipherImpl() - { - super(); - } - - // Instance methods. - // ------------------------------------------------------------------------- - - protected void engineSetMode(String mode) { } - protected void engineSetPadding(String padding) { } - - protected int engineGetBlockSize() - { - return 1; - } - - protected int engineGetOutputSize(int inputLen) - { - return inputLen; - } - - protected byte[] engineGetIV() - { - return null; - } - - protected AlgorithmParameters engineGetParameters() - { - return null; - } - - protected void engineInit(int mode, Key key, SecureRandom random) { } - protected void engineInit(int mode, Key key, AlgorithmParameterSpec spec, SecureRandom random) { } - protected void engineInit(int mode, Key key, AlgorithmParameters params, SecureRandom random) { } - - protected byte[] engineUpdate(byte[] input, int inputOffset, int inputLen) - { - if (input == null) - return new byte[0]; - if (inputOffset < 0 || inputLen < 0 || inputOffset + inputLen > input.length) - throw new ArrayIndexOutOfBoundsException(); - byte[] output = new byte[inputLen]; - System.arraycopy(input, inputOffset, output, 0, inputLen); - return output; - } - - protected int engineUpdate(byte[] input, int inputOffset, int inputLen, - byte[] output, int outputOffset) - throws ShortBufferException - { - if (input == null) - return 0; - if (inputOffset < 0 || inputLen < 0 || inputOffset + inputLen > input.length - || outputOffset < 0) - throw new ArrayIndexOutOfBoundsException(); - if (output.length - outputOffset < inputLen) - throw new ShortBufferException(); - System.arraycopy(input, inputOffset, output, outputOffset, inputLen); - return inputLen; - } - - protected byte[] engineDoFinal(byte[] input, int inputOffset, int inputLen) - { - return engineUpdate(input, inputOffset, inputLen); - } - - protected int engineDoFinal(byte[] input, int inputOffset, int inputLen, - byte[] output, int outputOffset) - throws ShortBufferException - { - return engineUpdate(input, inputOffset, inputLen, output, outputOffset); - } -} |