yggdrasil/gcc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Imported GNU Classpath 0.90

Browse Source 
Imported GNU Classpath 0.90
       * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
       * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
       * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
       * java/lang/Math.java: New override file.
       * java/lang/Character.java: Merged from Classpath.
       (start, end): Now 'int's.
       (canonicalName): New field.
       (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
       (UnicodeBlock): Added argument.
       (of): New overload.
       (forName): New method.
       Updated unicode blocks.
       (sets): Updated.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.

From-SVN: r111942
This commit is contained in:
Mark Wielaard
2006-03-10 21:46:48 +00:00
parent 27079765d0
commit 8aa540d2f7
1367 changed files with 188789 additions and 22762 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libjava/classpath/gnu/java/security/hash/RipeMD160.java
+328
View File
@@ -0,0 +1,328 @@
/* RipeMD160.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;
import gnu.java.security.Registry;
import gnu.java.security.util.Util;
/**
* <p>RIPEMD-160 is a 160-bit message digest.</p>
*
* <p>References:</p>
*
* <ol>
* <li><a href="http://www.esat.kuleuven.ac.be/~bosselae/ripemd160.html">
* RIPEMD160</a>: A Strengthened Version of RIPEMD.<br>
* Hans Dobbertin, Antoon Bosselaers and Bart Preneel.</li>
* </ol>
*/
public class RipeMD160 extends BaseHash
{
// Constants and variables
// -------------------------------------------------------------------------
private static final int BLOCK_SIZE = 64; // inner block size in bytes
private static final String DIGEST0 = "9C1185A5C5E9FC54612808977EE8F548B2258D31";
// selection of message word
private static final int[] R = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 7, 4, 13, 1, 10, 6, 15, 3, 12, 0,
9, 5, 2, 14, 11, 8, 3, 10, 14, 4, 9, 15, 8,
1, 2, 7, 0, 6, 13, 11, 5, 12, 1, 9, 11, 10,
0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, 4, 0,
5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15,
13 };
private static final int[] Rp = { 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1,
10, 3, 12, 6, 11, 3, 7, 0, 13, 5, 10, 14,
15, 8, 12, 4, 9, 1, 2, 15, 5, 1, 3, 7, 14,
6, 9, 11, 8, 12, 2, 10, 0, 4, 13, 8, 6, 4,
1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0,
3, 9, 11 };
// amount for rotate left (rol)
private static final int[] S = { 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15,
6, 7, 9, 8, 7, 6, 8, 13, 11, 9, 7, 15, 7, 12,
15, 9, 11, 7, 13, 12, 11, 13, 6, 7, 14, 9,
13, 15, 14, 8, 13, 6, 5, 12, 7, 5, 11, 12,
14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5,
12, 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13,
14, 11, 8, 5, 6 };
private static final int[] Sp = { 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11,
14, 14, 12, 6, 9, 13, 15, 7, 12, 8, 9, 11,
7, 7, 12, 7, 6, 15, 13, 11, 9, 7, 15, 11, 8,
6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, 15,
5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5,
15, 8, 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6,
5, 15, 13, 11, 11 };
/** caches the result of the correctness test, once executed. */
private static Boolean valid;
/** 160-bit h0, h1, h2, h3, h4 (interim result) */
private int h0, h1, h2, h3, h4;
/** 512 bits work buffer = 16 x 32-bit words */
private int[] X = new int[16];
// Constructor(s)
// -------------------------------------------------------------------------
/** Trivial 0-arguments constructor. */
public RipeMD160()
{
super(Registry.RIPEMD160_HASH, 20, BLOCK_SIZE);
}
/**
* <p>Private constructor for cloning purposes.</p>
*
* @param md the instance to clone.
*/
private RipeMD160(RipeMD160 md)
{
this();
this.h0 = md.h0;
this.h1 = md.h1;
this.h2 = md.h2;
this.h3 = md.h3;
this.h4 = md.h4;
this.count = md.count;
this.buffer = (byte[]) md.buffer.clone();
}
// Class methods
// -------------------------------------------------------------------------
// Instance methods
// -------------------------------------------------------------------------
// java.lang.Cloneable interface implementation ----------------------------
public Object clone()
{
return (new RipeMD160(this));
}
// Implementation of concrete methods in BaseHash --------------------------
protected void transform(byte[] in, int offset)
{
int A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, T, s, i;
// encode 64 bytes from input block into an array of 16 unsigned integers
for (i = 0; i < 16; i++)
{
X[i] = (in[offset++] & 0xFF) | (in[offset++] & 0xFF) << 8
| (in[offset++] & 0xFF) << 16 | in[offset++] << 24;
}
A = Ap = h0;
B = Bp = h1;
C = Cp = h2;
D = Dp = h3;
E = Ep = h4;
for (i = 0; i < 16; i++)
{ // rounds 0...15
s = S[i];
T = A + (B ^ C ^ D) + X[i];
A = E;
E = D;
D = C << 10 | C >>> 22;
C = B;
B = (T << s | T >>> (32 - s)) + A;
s = Sp[i];
T = Ap + (Bp ^ (Cp | ~Dp)) + X[Rp[i]] + 0x50A28BE6;
Ap = Ep;
Ep = Dp;
Dp = Cp << 10 | Cp >>> 22;
Cp = Bp;
Bp = (T << s | T >>> (32 - s)) + Ap;
}
for (; i < 32; i++)
{ // rounds 16...31
s = S[i];
T = A + ((B & C) | (~B & D)) + X[R[i]] + 0x5A827999;
A = E;
E = D;
D = C << 10 | C >>> 22;
C = B;
B = (T << s | T >>> (32 - s)) + A;
s = Sp[i];
T = Ap + ((Bp & Dp) | (Cp & ~Dp)) + X[Rp[i]] + 0x5C4DD124;
Ap = Ep;
Ep = Dp;
Dp = Cp << 10 | Cp >>> 22;
Cp = Bp;
Bp = (T << s | T >>> (32 - s)) + Ap;
}
for (; i < 48; i++)
{ // rounds 32...47
s = S[i];
T = A + ((B | ~C) ^ D) + X[R[i]] + 0x6ED9EBA1;
A = E;
E = D;
D = C << 10 | C >>> 22;
C = B;
B = (T << s | T >>> (32 - s)) + A;
s = Sp[i];
T = Ap + ((Bp | ~Cp) ^ Dp) + X[Rp[i]] + 0x6D703EF3;
Ap = Ep;
Ep = Dp;
Dp = Cp << 10 | Cp >>> 22;
Cp = Bp;
Bp = (T << s | T >>> (32 - s)) + Ap;
}
for (; i < 64; i++)
{ // rounds 48...63
s = S[i];
T = A + ((B & D) | (C & ~D)) + X[R[i]] + 0x8F1BBCDC;
A = E;
E = D;
D = C << 10 | C >>> 22;
C = B;
B = (T << s | T >>> (32 - s)) + A;
s = Sp[i];
T = Ap + ((Bp & Cp) | (~Bp & Dp)) + X[Rp[i]] + 0x7A6D76E9;
Ap = Ep;
Ep = Dp;
Dp = Cp << 10 | Cp >>> 22;
Cp = Bp;
Bp = (T << s | T >>> (32 - s)) + Ap;
}
for (; i < 80; i++)
{ // rounds 64...79
s = S[i];
T = A + (B ^ (C | ~D)) + X[R[i]] + 0xA953FD4E;
A = E;
E = D;
D = C << 10 | C >>> 22;
C = B;
B = (T << s | T >>> (32 - s)) + A;
s = Sp[i];
T = Ap + (Bp ^ Cp ^ Dp) + X[Rp[i]];
Ap = Ep;
Ep = Dp;
Dp = Cp << 10 | Cp >>> 22;
Cp = Bp;
Bp = (T << s | T >>> (32 - s)) + Ap;
}
T = h1 + C + Dp;
h1 = h2 + D + Ep;
h2 = h3 + E + Ap;
h3 = h4 + A + Bp;
h4 = h0 + B + Cp;
h0 = T;
}
protected byte[] padBuffer()
{
int n = (int) (count % BLOCK_SIZE);
int padding = (n < 56) ? (56 - n) : (120 - n);
byte[] result = new byte[padding + 8];
// padding is always binary 1 followed by binary 0s
result[0] = (byte) 0x80;
// save number of bits, casting the long to an array of 8 bytes
long bits = count << 3;
result[padding++] = (byte) bits;
result[padding++] = (byte) (bits >>> 8);
result[padding++] = (byte) (bits >>> 16);
result[padding++] = (byte) (bits >>> 24);
result[padding++] = (byte) (bits >>> 32);
result[padding++] = (byte) (bits >>> 40);
result[padding++] = (byte) (bits >>> 48);
result[padding] = (byte) (bits >>> 56);
return result;
}
protected byte[] getResult()
{
byte[] result = new byte[] { (byte) h0, (byte) (h0 >>> 8),
(byte) (h0 >>> 16), (byte) (h0 >>> 24),
(byte) h1, (byte) (h1 >>> 8),
(byte) (h1 >>> 16), (byte) (h1 >>> 24),
(byte) h2, (byte) (h2 >>> 8),
(byte) (h2 >>> 16), (byte) (h2 >>> 24),
(byte) h3, (byte) (h3 >>> 8),
(byte) (h3 >>> 16), (byte) (h3 >>> 24),
(byte) h4, (byte) (h4 >>> 8),
(byte) (h4 >>> 16), (byte) (h4 >>> 24) };
return result;
}
protected void resetContext()
{
// magic RIPEMD160 initialisation constants
h0 = 0x67452301;
h1 = 0xEFCDAB89;
h2 = 0x98BADCFE;
h3 = 0x10325476;
h4 = 0xC3D2E1F0;
}
public boolean selfTest()
{
if (valid == null)
{
valid = new Boolean
(DIGEST0.equals(Util.toString(new RipeMD160().digest())));
}
return valid.booleanValue();
}
}