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Bouncy Castle Cryptography Library 1.33
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org.bouncycastle.crypto.digests

Class SHA512Digest

Implemented Interfaces:
Digest, ExtendedDigest
public class SHA512Digest
extends LongDigest
FIPS 180-2 implementation of SHA-512. 
         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

Fields inherited from class org.bouncycastle.crypto.digests.LongDigest

H1, H2, H3, H4, H5, H6, H7, H8

Constructor Summary

SHA512Digest()
Standard constructor
SHA512Digest(SHA512Digest t)
Copy constructor.

Method Summary

int
doFinal(byte[] out, int outOff)
String
getAlgorithmName()
int
getDigestSize()
void
reset()
reset the chaining variables

Methods inherited from class org.bouncycastle.crypto.digests.LongDigest

finish, getByteLength, processBlock, processLength, processWord, reset, unpackWord, update, update

Constructor Details

SHA512Digest

public SHA512Digest()
Standard constructor

SHA512Digest

public SHA512Digest(SHA512Digest t)
Copy constructor. This will copy the state of the provided message digest.

Method Details

doFinal

public int doFinal(byte[] out,
                   int outOff)
Specified by:
doFinal in interface Digest

getAlgorithmName

public String getAlgorithmName()
Specified by:
getAlgorithmName in interface Digest

getDigestSize

public int getDigestSize()
Specified by:
getDigestSize in interface Digest

reset

public void reset()
reset the chaining variables
Specified by:
reset in interface Digest
Overrides:
reset in interface LongDigest

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