public class SHA512Digest extends LongDigest
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 |
|---|
SHA512Digest()
Standard constructor
|
SHA512Digest(byte[] encodedState)
State constructor - create a digest initialised with the state of a previous one.
|
SHA512Digest(SHA512Digest t)
Copy constructor.
|
| Modifier and Type | Method and Description |
|---|---|
Memoable |
copy()
Produce a copy of this object with its configuration and in its current state.
|
int |
doFinal(byte[] out,
int outOff)
close the digest, producing the final digest value.
|
String |
getAlgorithmName()
return the algorithm name
|
int |
getDigestSize()
return the size, in bytes, of the digest produced by this message digest.
|
byte[] |
getEncodedState()
Return an encoded byte array for the digest's internal state
|
void |
reset()
reset the chaining variables
|
void |
reset(Memoable other)
Restore a copied object state into this object.
|
copyIn, finish, getByteLength, getEncodedStateSize, populateState, processBlock, processLength, processWord, restoreState, update, updatepublic SHA512Digest()
public SHA512Digest(SHA512Digest t)
public SHA512Digest(byte[] encodedState)
encodedState - the encoded state from the originating digest.public String getAlgorithmName()
Digestpublic int getDigestSize()
Digestpublic int doFinal(byte[] out,
int outOff)
Digestout - 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 Digestreset in class LongDigestpublic Memoable copy()
MemoableThe returned object may be used simply to store the state, or may be used as a similar object starting from the copied state.
public void reset(Memoable other)
MemoableImplementations of this method should try to avoid or minimise memory allocation to perform the reset.
other - an object originally copied from an object of the same type as this instance.public byte[] getEncodedState()
EncodableDigest