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Java Source Code / Java Documentation » Groupware » hipergate » com.knowgate.jcifs.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.security.MessageDigest
   com.knowgate.jcifs.util.MD4

MD4
public class MD4 extends MessageDigest implements Cloneable(Code)
Implements the MD4 message digest algorithm in Java.

References:

  1. Ronald L. Rivest, " The MD4 Message-Digest Algorithm", IETF RFC-1320 (informational).

$Revision: 1.1.1.1 $
author:
   Raif S. Naffah




Constructor Summary
public  MD4()
    

Method Summary
public  Objectclone()
     Returns a copy of this MD object.
public  byte[]engineDigest()
     Completes the hash computation by performing final operations such as padding.
public  voidengineReset()
     Resets this object disregarding any temporary data present at the time of the invocation of this call.
public  voidengineUpdate(byte b)
     Continues an MD4 message digest using the input byte.
public  voidengineUpdate(byte[] input, int offset, int len)
     MD4 block update operation.


Constructor Detail
MD4
public MD4()(Code)




Method Detail
clone
public Object clone()(Code)
Returns a copy of this MD object.



engineDigest
public byte[] engineDigest()(Code)
Completes the hash computation by performing final operations such as padding. At the return of this engineDigest, the MD engine is reset. the array of bytes for the resulting hash value.



engineReset
public void engineReset()(Code)
Resets this object disregarding any temporary data present at the time of the invocation of this call.



engineUpdate
public void engineUpdate(byte b)(Code)
Continues an MD4 message digest using the input byte.



engineUpdate
public void engineUpdate(byte[] input, int offset, int len)(Code)
MD4 block update operation.

Continues an MD4 message digest operation, by filling the buffer, transform(ing) data in 512-bit message block(s), updating the variables context and count, and leaving (buffering) the remaining bytes in buffer for the next update or finish.
Parameters:
  input - input block
Parameters:
  offset - start of meaningful bytes in input
Parameters:
  len - count of bytes in input block to consider




Methods inherited from java.security.MessageDigest
public Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public byte[] digest()(Code)(Java Doc)
public int digest(byte[] buf, int offset, int len) throws DigestException(Code)(Java Doc)
public byte[] digest(byte[] input)(Code)(Java Doc)
final public String getAlgorithm()(Code)(Java Doc)
final public int getDigestLength()(Code)(Java Doc)
public static MessageDigest getInstance(String algorithm) throws NoSuchAlgorithmException(Code)(Java Doc)
public static MessageDigest getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException(Code)(Java Doc)
public static MessageDigest getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException(Code)(Java Doc)
final public Provider getProvider()(Code)(Java Doc)
public static boolean isEqual(byte digesta, byte digestb)(Code)(Java Doc)
public void reset()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public void update(byte input)(Code)(Java Doc)
public void update(byte[] input, int offset, int len)(Code)(Java Doc)
public void update(byte[] input)(Code)(Java Doc)
final public void update(ByteBuffer input)(Code)(Java Doc)

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