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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/gnu/java/security/hash/BaseHash.java
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
Diffstat (limited to 'libjava/classpath/gnu/java/security/hash/BaseHash.java')
-rw-r--r--libjava/classpath/gnu/java/security/hash/BaseHash.java183
1 files changed, 0 insertions, 183 deletions
diff --git a/libjava/classpath/gnu/java/security/hash/BaseHash.java b/libjava/classpath/gnu/java/security/hash/BaseHash.java
deleted file mode 100644
index bab930f28e1..00000000000
--- a/libjava/classpath/gnu/java/security/hash/BaseHash.java
+++ /dev/null
@@ -1,183 +0,0 @@
-/* BaseHash.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;
-
-/**
- * A base abstract class to facilitate hash implementations.
- */
-public abstract class BaseHash
- implements IMessageDigest
-{
- /** The canonical name prefix of the hash. */
- protected String name;
-
- /** The hash (output) size in bytes. */
- protected int hashSize;
-
- /** The hash (inner) block size in bytes. */
- protected int blockSize;
-
- /** Number of bytes processed so far. */
- protected long count;
-
- /** Temporary input buffer. */
- protected byte[] buffer;
-
- /**
- * Trivial constructor for use by concrete subclasses.
- *
- * @param name the canonical name prefix of this instance.
- * @param hashSize the block size of the output in bytes.
- * @param blockSize the block size of the internal transform.
- */
- protected BaseHash(String name, int hashSize, int blockSize)
- {
- super();
-
- this.name = name;
- this.hashSize = hashSize;
- this.blockSize = blockSize;
- this.buffer = new byte[blockSize];
-
- resetContext();
- }
-
- public String name()
- {
- return name;
- }
-
- public int hashSize()
- {
- return hashSize;
- }
-
- public int blockSize()
- {
- return blockSize;
- }
-
- public void update(byte b)
- {
- // compute number of bytes still unhashed; ie. present in buffer
- int i = (int) (count % blockSize);
- count++;
- buffer[i] = b;
- if (i == (blockSize - 1))
- transform(buffer, 0);
- }
-
- public void update(byte[] b)
- {
- update(b, 0, b.length);
- }
-
- public void update(byte[] b, int offset, int len)
- {
- int n = (int) (count % blockSize);
- count += len;
- int partLen = blockSize - n;
- int i = 0;
-
- if (len >= partLen)
- {
- System.arraycopy(b, offset, buffer, n, partLen);
- transform(buffer, 0);
- for (i = partLen; i + blockSize - 1 < len; i += blockSize)
- transform(b, offset + i);
-
- n = 0;
- }
-
- if (i < len)
- System.arraycopy(b, offset + i, buffer, n, len - i);
- }
-
- public byte[] digest()
- {
- byte[] tail = padBuffer(); // pad remaining bytes in buffer
- update(tail, 0, tail.length); // last transform of a message
- byte[] result = getResult(); // make a result out of context
-
- reset(); // reset this instance for future re-use
-
- return result;
- }
-
- public void reset()
- { // reset this instance for future re-use
- count = 0L;
- for (int i = 0; i < blockSize;)
- buffer[i++] = 0;
-
- resetContext();
- }
-
- public abstract Object clone();
-
- public abstract boolean selfTest();
-
- /**
- * Returns the byte array to use as padding before completing a hash
- * operation.
- *
- * @return the bytes to pad the remaining bytes in the buffer before
- * completing a hash operation.
- */
- protected abstract byte[] padBuffer();
-
- /**
- * Constructs the result from the contents of the current context.
- *
- * @return the output of the completed hash operation.
- */
- protected abstract byte[] getResult();
-
- /** Resets the instance for future re-use. */
- protected abstract void resetContext();
-
- /**
- * The block digest transformation per se.
- *
- * @param in the <i>blockSize</i> long block, as an array of bytes to digest.
- * @param offset the index where the data to digest is located within the
- * input buffer.
- */
- protected abstract void transform(byte[] in, int offset);
-}