Java Doc for SHA256Digest.java in  » Security » Bouncy-Castle » org » bouncycastle » crypto » digests » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.crypto.digests 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.bouncycastle.crypto.digests.GeneralDigest
      org.bouncycastle.crypto.digests.SHA256Digest

SHA256Digest
public class SHA256Digest extends GeneralDigest (Code)
FIPS 180-2 implementation of SHA-256.
 block  word  digest
 SHA-1   512    32    160
 SHA-256 512    32    256
 SHA-384 1024   64    384
 SHA-512 1024   64    512
 


Field Summary
final static  intK
    

Constructor Summary
public  SHA256Digest()
    
public  SHA256Digest(SHA256Digest t)
     Copy constructor.

Method Summary
public  intdoFinal(byte[] out, int outOff)
    
public  StringgetAlgorithmName()
    
public  intgetDigestSize()
    
protected  voidprocessBlock()
    
protected  voidprocessLength(long bitLength)
    
protected  voidprocessWord(byte[] in, int inOff)
    
public  voidreset()
    

Field Detail
K
final static int K(Code)




Constructor Detail
SHA256Digest
public SHA256Digest()(Code)
Standard constructor



SHA256Digest
public SHA256Digest(SHA256Digest t)(Code)
Copy constructor. This will copy the state of the provided message digest.




Method Detail
doFinal
public int doFinal(byte[] out, int outOff)(Code)



getAlgorithmName
public String getAlgorithmName()(Code)



getDigestSize
public int getDigestSize()(Code)



processBlock
protected void processBlock()(Code)



processLength
protected void processLength(long bitLength)(Code)



processWord
protected void processWord(byte[] in, int inOff)(Code)



reset
public void reset()(Code)
reset the chaining variables



Methods inherited from org.bouncycastle.crypto.digests.GeneralDigest
public void finish()(Code)(Java Doc)
public int getByteLength()(Code)(Java Doc)
abstract protected void processBlock()(Code)(Java Doc)
abstract protected void processLength(long bitLength)(Code)(Java Doc)
abstract protected void processWord(byte[] in, int inOff)(Code)(Java Doc)
public void reset()(Code)(Java Doc)
public void update(byte in)(Code)(Java Doc)
public void update(byte[] in, int inOff, int len)(Code)(Java Doc)

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)

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