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jTDS JDBC Driver Source Code Files
jTDS JDBC Driver Source Code Files are provided in the source package file, jtds-1.3.1-fyi.zip.
You can browse jTDS JDBC Driver Source Code files below:
✍: FYIcenter.com
⏎ net/sourceforge/jtds/util/MD4Digest.java
/****************************************************************************** * Copyright (c) 2000 The Legion Of The Bouncy Castle (http://www.bouncycastle.org) * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. ******************************************************************************/ package net.sourceforge.jtds.util; /** * implementation of MD4 as RFC 1320 by R. Rivest, MIT Laboratory for * Computer Science and RSA Data Security, Inc. * <p> * <b>NOTE</b>: This algorithm is only included for backwards compatability * with legacy applications, it's not secure, don't use it for anything new! * * @version $Id: MD4Digest.java,v 1.2 2004-06-27 17:00:55 bheineman Exp $ */ public class MD4Digest extends GeneralDigest { private static final int DIGEST_LENGTH = 16; // // round 1 left rotates // private static final int S11 = 3; private static final int S12 = 7; private static final int S13 = 11; private static final int S14 = 19; // // round 2 left rotates // private static final int S21 = 3; private static final int S22 = 5; private static final int S23 = 9; private static final int S24 = 13; // // round 3 left rotates // private static final int S31 = 3; private static final int S32 = 9; private static final int S33 = 11; private static final int S34 = 15; private int H1, H2, H3, H4; // IV's private int[] X = new int[16]; private int xOff; /** * Standard constructor */ public MD4Digest() { reset(); } /** * Copy constructor. This will copy the state of the provided * message digest. */ public MD4Digest(MD4Digest t) { super(t); H1 = t.H1; H2 = t.H2; H3 = t.H3; H4 = t.H4; System.arraycopy(t.X, 0, X, 0, t.X.length); xOff = t.xOff; } public String getAlgorithmName() { return "MD4"; } public int getDigestSize() { return DIGEST_LENGTH; } protected void processWord(byte[] in, int inOff) { X[xOff++] = (in[inOff] & 0xff) | ((in[inOff + 1] & 0xff) << 8) | ((in[inOff + 2] & 0xff) << 16) | ((in[inOff + 3] & 0xff) << 24); if (xOff == 16) { processBlock(); } } protected void processLength(long bitLength) { if (xOff > 14) { processBlock(); } X[14] = (int)(bitLength & 0xffffffff); X[15] = (int)(bitLength >>> 32); } private void unpackWord(int word, byte[] out, int outOff) { out[outOff] = (byte)word; out[outOff + 1] = (byte)(word >>> 8); out[outOff + 2] = (byte)(word >>> 16); out[outOff + 3] = (byte)(word >>> 24); } public int doFinal(byte[] out, int outOff) { finish(); unpackWord(H1, out, outOff); unpackWord(H2, out, outOff + 4); unpackWord(H3, out, outOff + 8); unpackWord(H4, out, outOff + 12); reset(); return DIGEST_LENGTH; } /** * reset the chaining variables to the IV values. */ public void reset() { super.reset(); H1 = 0x67452301; H2 = 0xefcdab89; H3 = 0x98badcfe; H4 = 0x10325476; xOff = 0; for (int i = 0; i != X.length; i++) { X[i] = 0; } } /* * rotate int x left n bits. */ private int rotateLeft(int x, int n) { return(x << n) | (x >>> (32 - n)); } /* * F, G, H and I are the basic MD4 functions. */ private int F(int u, int v, int w) { return(u & v) | (~u & w); } private int G(int u, int v, int w) { return(u & v) | (u & w) | (v & w); } private int H(int u, int v, int w) { return u ^ v ^ w; } protected void processBlock() { int a = H1; int b = H2; int c = H3; int d = H4; // // Round 1 - F cycle, 16 times. // a = rotateLeft((a + F(b, c, d) + X[ 0]), S11); d = rotateLeft((d + F(a, b, c) + X[ 1]), S12); c = rotateLeft((c + F(d, a, b) + X[ 2]), S13); b = rotateLeft((b + F(c, d, a) + X[ 3]), S14); a = rotateLeft((a + F(b, c, d) + X[ 4]), S11); d = rotateLeft((d + F(a, b, c) + X[ 5]), S12); c = rotateLeft((c + F(d, a, b) + X[ 6]), S13); b = rotateLeft((b + F(c, d, a) + X[ 7]), S14); a = rotateLeft((a + F(b, c, d) + X[ 8]), S11); d = rotateLeft((d + F(a, b, c) + X[ 9]), S12); c = rotateLeft((c + F(d, a, b) + X[10]), S13); b = rotateLeft((b + F(c, d, a) + X[11]), S14); a = rotateLeft((a + F(b, c, d) + X[12]), S11); d = rotateLeft((d + F(a, b, c) + X[13]), S12); c = rotateLeft((c + F(d, a, b) + X[14]), S13); b = rotateLeft((b + F(c, d, a) + X[15]), S14); // // Round 2 - G cycle, 16 times. // a = rotateLeft((a + G(b, c, d) + X[ 0] + 0x5a827999), S21); d = rotateLeft((d + G(a, b, c) + X[ 4] + 0x5a827999), S22); c = rotateLeft((c + G(d, a, b) + X[ 8] + 0x5a827999), S23); b = rotateLeft((b + G(c, d, a) + X[12] + 0x5a827999), S24); a = rotateLeft((a + G(b, c, d) + X[ 1] + 0x5a827999), S21); d = rotateLeft((d + G(a, b, c) + X[ 5] + 0x5a827999), S22); c = rotateLeft((c + G(d, a, b) + X[ 9] + 0x5a827999), S23); b = rotateLeft((b + G(c, d, a) + X[13] + 0x5a827999), S24); a = rotateLeft((a + G(b, c, d) + X[ 2] + 0x5a827999), S21); d = rotateLeft((d + G(a, b, c) + X[ 6] + 0x5a827999), S22); c = rotateLeft((c + G(d, a, b) + X[10] + 0x5a827999), S23); b = rotateLeft((b + G(c, d, a) + X[14] + 0x5a827999), S24); a = rotateLeft((a + G(b, c, d) + X[ 3] + 0x5a827999), S21); d = rotateLeft((d + G(a, b, c) + X[ 7] + 0x5a827999), S22); c = rotateLeft((c + G(d, a, b) + X[11] + 0x5a827999), S23); b = rotateLeft((b + G(c, d, a) + X[15] + 0x5a827999), S24); // // Round 3 - H cycle, 16 times. // a = rotateLeft((a + H(b, c, d) + X[ 0] + 0x6ed9eba1), S31); d = rotateLeft((d + H(a, b, c) + X[ 8] + 0x6ed9eba1), S32); c = rotateLeft((c + H(d, a, b) + X[ 4] + 0x6ed9eba1), S33); b = rotateLeft((b + H(c, d, a) + X[12] + 0x6ed9eba1), S34); a = rotateLeft((a + H(b, c, d) + X[ 2] + 0x6ed9eba1), S31); d = rotateLeft((d + H(a, b, c) + X[10] + 0x6ed9eba1), S32); c = rotateLeft((c + H(d, a, b) + X[ 6] + 0x6ed9eba1), S33); b = rotateLeft((b + H(c, d, a) + X[14] + 0x6ed9eba1), S34); a = rotateLeft((a + H(b, c, d) + X[ 1] + 0x6ed9eba1), S31); d = rotateLeft((d + H(a, b, c) + X[ 9] + 0x6ed9eba1), S32); c = rotateLeft((c + H(d, a, b) + X[ 5] + 0x6ed9eba1), S33); b = rotateLeft((b + H(c, d, a) + X[13] + 0x6ed9eba1), S34); a = rotateLeft((a + H(b, c, d) + X[ 3] + 0x6ed9eba1), S31); d = rotateLeft((d + H(a, b, c) + X[11] + 0x6ed9eba1), S32); c = rotateLeft((c + H(d, a, b) + X[ 7] + 0x6ed9eba1), S33); b = rotateLeft((b + H(c, d, a) + X[15] + 0x6ed9eba1), S34); H1 += a; H2 += b; H3 += c; H4 += d; // // reset the offset and clean out the word buffer. // xOff = 0; for (int i = 0; i != X.length; i++) { X[i] = 0; } } }
⏎ net/sourceforge/jtds/util/MD4Digest.java
Or download all of them as a single archive file:
File name: jtds-1.3.1-fyi.zip File size: 323160 bytes Release date: 2013-06-08 Download
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