org.bouncycastle.crypto.digests

Class SHA256Digest

public class SHA256Digest extends GeneralDigest

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

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

Method Summary
int	doFinal(byte[] out, int outOff)
String	getAlgorithmName()
int	getDigestSize()
protected void	processBlock()
protected void	processLength(long bitLength)
protected void	processWord(byte[] in, int inOff)
void	reset() reset the chaining variables

Constructor Detail

public SHA256Digest()

Standard constructor

public SHA256Digest(SHA256Digest t)

Copy constructor. This will copy the state of the provided message digest.

public int doFinal(byte[] out, int outOff)

public String getAlgorithmName()

public int getDigestSize()

protected void processBlock()

protected void processLength(long bitLength)

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

public void reset()

reset the chaining variables