org.bouncycastle.crypto.digests
Class SHA256Digest
- Digest, ExtendedDigest
public class SHA256Digest
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
int | doFinal(byte[] out, int outOff) - close the digest, producing the final digest value.
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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()
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protected void | processLength(long bitLength)
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protected void | processWord(byte[] in, int inOff)
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void | reset() - reset the chaining variables
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SHA256Digest
public SHA256Digest()
Standard constructor
SHA256Digest
public SHA256Digest(SHA256Digest t)
Copy constructor. This will copy the state of the provided
message digest.
doFinal
public int doFinal(byte[] out,
int outOff)
close the digest, producing the final digest value. The doFinal
call leaves the digest reset.
- doFinal in interface Digest
out
- the array the digest is to be copied into.outOff
- the offset into the out array the digest is to start at.
getAlgorithmName
public String getAlgorithmName()
return the algorithm name
- getAlgorithmName in interface Digest
getDigestSize
public int getDigestSize()
return the size, in bytes, of the digest produced by this message digest.
- getDigestSize in interface Digest
- the size, in bytes, of the digest produced by this message digest.