Java Doc for DES.java in  » Net » Ganymed-SSH-2 » ch » ethz » ssh2 » crypto » cipher » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Ganymed SSH 2 » ch.ethz.ssh2.crypto.cipher   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    ch.ethz.ssh2.crypto.cipher.DES All known Subclasses:   ch.ethz.ssh2.crypto.cipher.DESede, DES public class DES implements BlockCipher(Code) DES. author:    See comments in the source file version:    $Id: DES.java,v 1.3 2005/12/05 17:13:27 cplattne Exp $ethz.ch Field Summary static  short[] Df_Key      what follows is mainly taken from "Applied Cryptography", by Bruce Schneier, however it also bears great resemblance to Richard Outerbridge's D3DES... static  int[] SP1      static  int[] SP2      static  int[] SP3      static  int[] SP4      static  int[] SP5      static  int[] SP6      static  int[] SP7      static  int[] SP8      static  int[] bigbyte      static  short[] bytebit      static  byte[] pc1      static  byte[] pc2      static  byte[] totrot      Constructor Summary public   DES()      standard constructor. Method Summary protected  void desFunc(int[] wKey, byte[] in, int inOff, byte[] out, int outOff)      the DES engine. protected  int[] generateWorkingKey(boolean encrypting, byte[] key, int off)      generate an integer based working key based on our secret key and what we processing we are planning to do. public  String getAlgorithmName()      public  int getBlockSize()      public  void init(boolean encrypting, byte[] key)      initialise a DES cipher. public  void reset()      public  void transformBlock(byte[] in, int inOff, byte[] out, int outOff)      Field Detail Df_Key static short[] Df_Key(Code) what follows is mainly taken from "Applied Cryptography", by Bruce Schneier, however it also bears great resemblance to Richard Outerbridge's D3DES... SP1 static int[] SP1(Code) SP2 static int[] SP2(Code) SP3 static int[] SP3(Code) SP4 static int[] SP4(Code) SP5 static int[] SP5(Code) SP6 static int[] SP6(Code) SP7 static int[] SP7(Code) SP8 static int[] SP8(Code) bigbyte static int[] bigbyte(Code) bytebit static short[] bytebit(Code) pc1 static byte[] pc1(Code) pc2 static byte[] pc2(Code) totrot static byte[] totrot(Code) Constructor Detail DES public DES()(Code) standard constructor. Method Detail desFunc protected void desFunc(int[] wKey, byte[] in, int inOff, byte[] out, int outOff)(Code) the DES engine. generateWorkingKey protected int[] generateWorkingKey(boolean encrypting, byte[] key, int off)(Code) generate an integer based working key based on our secret key and what we processing we are planning to do. Acknowledgements for this routine go to James Gillogly & Phil Karn. (whoever, and wherever they are!). getAlgorithmName public String getAlgorithmName()(Code) getBlockSize public int getBlockSize()(Code) init public void init(boolean encrypting, byte[] key)(Code) initialise a DES cipher. Parameters:   encrypting - whether or not we are for encryption. Parameters:   key - the parameters required to set up the cipher. exception:   IllegalArgumentException - if the params argument is inappropriate. reset public void reset()(Code) transformBlock public void transformBlock(byte[] in, int inOff, byte[] out, int outOff)(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)