--- a/jdk/src/share/classes/sun/jkernel/StandaloneSHA.java Wed Jul 05 17:32:52 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,190 +0,0 @@
-/*
- * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.jkernel;
-
-import static sun.jkernel.StandaloneByteArrayAccess.*;
-
-/**
- * This is a slightly modified subset of the
- * <code>sun.security.provider.SHA</code> class that
- * is not dependent on the regular Java Security framework classes. It
- * implements the Secure Hash Algorithm (SHA-1) developed by
- * the National Institute of Standards and Technology along with the
- * National Security Agency. This is the updated version of SHA
- * fip-180 as superseded by fip-180-1.
- * <p>
- * The <code>sun.security.provider.SHA.clonde()</code> method is not
- * implemented and other, formerly public methods, are package private.
- *
- */
-final class StandaloneSHA extends StandaloneMessageDigest {
-
- static final boolean debug = false;
-
- // Buffer of int's and count of characters accumulated
- // 64 bytes are included in each hash block so the low order
- // bits of count are used to know how to pack the bytes into ints
- // and to know when to compute the block and start the next one.
- private final int[] W;
-
- // state of this
- private final int[] state;
-
- /**
- * Creates a new StandaloneSHA object.
- */
- StandaloneSHA() {
- super("SHA-1", 20, 64);
- state = new int[5];
- W = new int[80];
- implReset();
- }
-
- /**
- * Resets the buffers and hash value to start a new hash.
- */
- void implReset() {
- if (debug) {
- System.out.print("StandaloneSHA.implR: " );
- }
- state[0] = 0x67452301;
- state[1] = 0xefcdab89;
- state[2] = 0x98badcfe;
- state[3] = 0x10325476;
- state[4] = 0xc3d2e1f0;
- }
-
- /**
- * Computes the final hash and copies the 20 bytes to the output array.
- */
- void implDigest(byte[] out, int ofs) {
- if (debug) {
- System.out.print("StandaloneSHA.implD: " );
- }
- long bitsProcessed = bytesProcessed << 3;
-
- int index = (int)bytesProcessed & 0x3f;
- int padLen = (index < 56) ? (56 - index) : (120 - index);
-
- engineUpdate(padding, 0, padLen);
-
- // System.out.println("Inserting: " + bitsProcessed);
- StandaloneByteArrayAccess.i2bBig4((int)(bitsProcessed >>> 32), buffer, 56);
- StandaloneByteArrayAccess.i2bBig4((int)bitsProcessed, buffer, 60);
- implCompress(buffer, 0);
-
- StandaloneByteArrayAccess.i2bBig(state, 0, out, ofs, 20);
- }
-
- // Constants for each round
- private final static int round1_kt = 0x5a827999;
- private final static int round2_kt = 0x6ed9eba1;
- private final static int round3_kt = 0x8f1bbcdc;
- private final static int round4_kt = 0xca62c1d6;
-
- /**
- * Compute a the hash for the current block.
- *
- * This is in the same vein as Peter Gutmann's algorithm listed in
- * the back of Applied Cryptography, Compact implementation of
- * "old" NIST Secure Hash Algorithm.
- */
- void implCompress(byte[] buf, int ofs) {
-
- if (debug) {
- System.out.print("StandaloneSHA.implC: " );
- for (int i=ofs; i<buf.length; i++) {
- System.out.format("%02X",buf[i]);
- }
- System.out.println();
- }
-
- StandaloneByteArrayAccess.b2iBig(buf, ofs, W, 0, 64);
-
- // The first 16 ints have the byte stream, compute the rest of
- // the buffer
- for (int t = 16; t <= 79; t++) {
- int temp = W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16];
- W[t] = (temp << 1) | (temp >>> 31);
- }
-
- int a = state[0];
- int b = state[1];
- int c = state[2];
- int d = state[3];
- int e = state[4];
-
- // Round 1
- for (int i = 0; i < 20; i++) {
- int temp = ((a<<5) | (a>>>(32-5))) +
- ((b&c)|((~b)&d))+ e + W[i] + round1_kt;
- e = d;
- d = c;
- c = ((b<<30) | (b>>>(32-30)));
- b = a;
- a = temp;
- }
-
- // Round 2
- for (int i = 20; i < 40; i++) {
- int temp = ((a<<5) | (a>>>(32-5))) +
- (b ^ c ^ d) + e + W[i] + round2_kt;
- e = d;
- d = c;
- c = ((b<<30) | (b>>>(32-30)));
- b = a;
- a = temp;
- }
-
- // Round 3
- for (int i = 40; i < 60; i++) {
- int temp = ((a<<5) | (a>>>(32-5))) +
- ((b&c)|(b&d)|(c&d)) + e + W[i] + round3_kt;
- e = d;
- d = c;
- c = ((b<<30) | (b>>>(32-30)));
- b = a;
- a = temp;
- }
-
- // Round 4
- for (int i = 60; i < 80; i++) {
- int temp = ((a<<5) | (a>>>(32-5))) +
- (b ^ c ^ d) + e + W[i] + round4_kt;
- e = d;
- d = c;
- c = ((b<<30) | (b>>>(32-30)));
- b = a;
- a = temp;
- }
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
- state[4] += e;
- }
-
-}