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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/DESEngine.java
// jTDS JDBC Driver for Microsoft SQL Server and Sybase // Copyright (C) 2004 The jTDS Project // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License, or (at your option) any later version. // // This library 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 // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA package net.sourceforge.jtds.util; import java.security.GeneralSecurityException; import java.security.spec.KeySpec; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto.SecretKeyFactory; import javax.crypto.spec.DESKeySpec; /** * a class that provides a basic DES engine. * Modified by Matt Brinkley (mdb) ... mainly just removed depends on external classes. * * @author Matt Brinkley * @version $Id: DESEngine.java,v 1.3.6.1 2009-08-04 10:33:54 ickzon Exp $ */ public class DESEngine { protected static final int BLOCK_SIZE = 8; private Cipher cf; /** * standard constructor. */ public DESEngine() { // nothing } /** * mdb: convenient constructor */ public DESEngine( boolean encrypting, byte[] key ) { init(encrypting, key); } /** * initialise a DES cipher. * * @param encrypting whether or not we are for encryption. * @param key the parameters required to set up the cipher. * @exception IllegalArgumentException if the params argument is * inappropriate. */ public void init(boolean encrypting, byte[] key) { try { KeySpec ks; SecretKeyFactory kf; SecretKey ky; ks = new DESKeySpec(key); kf = SecretKeyFactory.getInstance("DES"); ky = kf.generateSecret(ks); cf = Cipher.getInstance("DES/ECB/NoPadding"); cf.init( (encrypting ? Cipher.ENCRYPT_MODE : Cipher.DECRYPT_MODE), ky); } catch (GeneralSecurityException e) { throw new RuntimeException("Error initializing DESEngine", e); } } public String getAlgorithmName() { return "DES"; } public int getBlockSize() { return BLOCK_SIZE; } public int processBlock(byte[] in, int inOff, byte[] out, int outOff) { // rsc: keep the error behaviour as it was with the previous non-JDK implementation: if (cf==null) { throw new IllegalStateException("DES engine not initialised"); } if ((inOff + BLOCK_SIZE) > in.length) { //mdb: used to be DataLengthException throw new IllegalArgumentException("input buffer too short"); } if ((outOff + BLOCK_SIZE) > out.length) { //mdb: used to be DataLengthException throw new IllegalArgumentException("output buffer too short"); } try { int len = cf.doFinal(in, inOff, 8, out, outOff); return len; } catch (GeneralSecurityException e) { throw new RuntimeException("Error processing data block in DESEngine", e); } } public void reset() { // nothing } }
⏎ net/sourceforge/jtds/util/DESEngine.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
⇐ What Is jtds-1.3.1-dist.zip?
2016-11-26, 7805👍, 0💬
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