public class SHA256Digest extends GeneralDigest
block word digest SHA-1 512 32 160 SHA-256 512 32 256 SHA-384 1024 64 384 SHA-512 1024 64 512
Constructor and Description |
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SHA256Digest()
Standard constructor
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SHA256Digest(SHA256Digest t)
Copy constructor.
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Modifier and Type | Method and Description |
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Memoable |
copy()
Produce a copy of this object with its configuration and in its current state.
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int |
doFinal(byte[] out,
int outOff)
close the digest, producing the final digest value.
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java.lang.String |
getAlgorithmName()
return the algorithm name
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int |
getDigestSize()
return the size, in bytes, of the digest produced by this message digest.
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protected void |
processBlock() |
protected void |
processLength(long bitLength) |
protected void |
processWord(byte[] in,
int inOff) |
void |
reset()
reset the chaining variables
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void |
reset(Memoable other)
Restore a copied object state into this object.
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copyIn, finish, getByteLength, update, update
public SHA256Digest()
public SHA256Digest(SHA256Digest t)
public java.lang.String getAlgorithmName()
Digest
public int getDigestSize()
Digest
protected void processWord(byte[] in, int inOff)
processWord
in class GeneralDigest
protected void processLength(long bitLength)
processLength
in class GeneralDigest
public int doFinal(byte[] out, int outOff)
Digest
out
- the array the digest is to be copied into.outOff
- the offset into the out array the digest is to start at.public void reset()
reset
in interface Digest
reset
in class GeneralDigest
protected void processBlock()
processBlock
in class GeneralDigest
public Memoable copy()
Memoable
public void reset(Memoable other)
Memoable
other
- an object originally copied
from an object of the same type as this instance.