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Diffstat (limited to 'libjava/classpath/gnu/java/security/hash/IMessageDigest.java')
| -rw-r--r-- | libjava/classpath/gnu/java/security/hash/IMessageDigest.java | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/libjava/classpath/gnu/java/security/hash/IMessageDigest.java b/libjava/classpath/gnu/java/security/hash/IMessageDigest.java deleted file mode 100644 index 9b716e5965f..00000000000 --- a/libjava/classpath/gnu/java/security/hash/IMessageDigest.java +++ /dev/null @@ -1,127 +0,0 @@ -/* IMessageDigest.java -- - Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc. - -This file is a 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 of the License, 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; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, 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 gnu.java.security.hash; - -/** - * The basic visible methods of any hash algorithm. - * <p> - * A hash (or message digest) algorithm produces its output by iterating a basic - * compression function on blocks of data. - */ -public interface IMessageDigest - extends Cloneable -{ - /** - * Returns the canonical name of this algorithm. - * - * @return the canonical name of this instance. - */ - String name(); - - /** - * Returns the output length in bytes of this message digest algorithm. - * - * @return the output length in bytes of this message digest algorithm. - */ - int hashSize(); - - /** - * Returns the algorithm's (inner) block size in bytes. - * - * @return the algorithm's inner block size in bytes. - */ - int blockSize(); - - /** - * Continues a message digest operation using the input byte. - * - * @param b the input byte to digest. - */ - void update(byte b); - - /** - * Continues a message digest operation, by filling the buffer, processing - * data in the algorithm's HASH_SIZE-bit block(s), updating the context and - * count, and buffering the remaining bytes in buffer for the next operation. - * - * @param in the input block. - */ - void update(byte[] in); - - /** - * Continues a message digest operation, by filling the buffer, processing - * data in the algorithm's HASH_SIZE-bit block(s), updating the context and - * count, and buffering the remaining bytes in buffer for the next operation. - * - * @param in the input block. - * @param offset start of meaningful bytes in input block. - * @param length number of bytes, in input block, to consider. - */ - void update(byte[] in, int offset, int length); - - /** - * Completes the message digest by performing final operations such as padding - * and resetting the instance. - * - * @return the array of bytes representing the hash value. - */ - byte[] digest(); - - /** - * Resets the current context of this instance clearing any eventually cached - * intermediary values. - */ - void reset(); - - /** - * A basic test. Ensures that the digest of a pre-determined message is equal - * to a known pre-computed value. - * - * @return <code>true</code> if the implementation passes a basic self-test. - * Returns <code>false</code> otherwise. - */ - boolean selfTest(); - - /** - * Returns a clone copy of this instance. - * - * @return a clone copy of this instance. - */ - Object clone(); -} |
