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Diffstat (limited to 'libjava/javax/crypto/MacSpi.java')
-rw-r--r-- | libjava/javax/crypto/MacSpi.java | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/libjava/javax/crypto/MacSpi.java b/libjava/javax/crypto/MacSpi.java deleted file mode 100644 index b0f96bff367..00000000000 --- a/libjava/javax/crypto/MacSpi.java +++ /dev/null @@ -1,145 +0,0 @@ -/* MacSpi.java -- The MAC service provider interface. - 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.InvalidAlgorithmParameterException; -import java.security.InvalidKeyException; -import java.security.Key; -import java.security.spec.AlgorithmParameterSpec; - -/** - * This is the <i>Service Provider Interface</i> (<b>SPI</b>) for the - * {@link Mac} class. - * - * <p>Providers wishing to implement a Mac must subclass this class and - * provide appropriate implementations of all its abstract methods, - * then provide an entry pointing to this implementation in the master - * {@link java.security.Provider} class. - * - * <p>Implementations may optionally implement the {@link - * java.lang.Cloneable} interface. - * - * @author Casey Marshall (csm@gnu.org) - * @since 1.4 - */ -public abstract class MacSpi -{ - - // Constructor. - // ------------------------------------------------------------------------ - - /** - * Create a new MacSpi instance. - */ - public MacSpi() - { - } - - // Instance methods. - // ------------------------------------------------------------------------ - - /** - * Returns a clone of this instance if cloning is supported. - * - * @return A clone of this instance. - * @throws java.lang.CloneNotSupportedException If this instance does - * not support cloneing. - */ - public Object clone() throws CloneNotSupportedException - { - return super.clone(); - } - - // Abstract instance methods. - // ------------------------------------------------------------------------ - - /** - * Finalize the computation of this MAC and return the result as a - * byte array. - * - * @return The MAC. - */ - protected abstract byte[] engineDoFinal(); - - /** - * Return the total length, in bytes, of the computed MAC (the length - * of the byte array returned by {@link #doFinal()}. - * - * @return The MAC length. - */ - protected abstract int engineGetMacLength(); - - /** - * Initialize (or re-initialize) this instance. - * - * @param key The key to use. - * @param params The parameters to use. - * @throws java.security.InvalidAlgorithmParameterException If this - * instance rejects the specified parameters. - * @throws java.security.InvalidKeyException If this instance rejects - * the specified key. - */ - protected abstract void engineInit(Key key, AlgorithmParameterSpec params) - throws InvalidAlgorithmParameterException, InvalidKeyException; - - /** - * Reset this instance. After this method succeeds, the state of this - * instance should be the same as it was before any data was input - * (possibly after a call to {@link - * #init(java.security.Key,java.security.spec.AlgorithmParameterSpec)}, - * possibly not). - */ - protected abstract void engineReset(); - - /** - * Update this MAC with a single byte. - * - * @param input The next byte. - */ - protected abstract void engineUpdate(byte input); - - /** - * Update this MAC with a portion of a byte array. - * - * @param input The next bytes. - * @param offset The index in <code>input</code> at which to start. - * @param length The number of bytes to update. - */ - protected abstract void engineUpdate(byte[] input, int offset, int length); -} |