public class SHA224Digest extends GeneralDigest implements EncodableDigest
block word digest
SHA-1 512 32 160
SHA-224 512 32 224
SHA-256 512 32 256
SHA-384 1024 64 384
SHA-512 1024 64 512
| Constructor and Description |
|---|
SHA224Digest()
Standard constructor
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SHA224Digest(byte[] encodedState)
State constructor - create a digest initialised with the state of a previous one.
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SHA224Digest(SHA224Digest t)
Copy constructor.
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| 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
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int |
getDigestSize()
return the size, in bytes, of the digest produced by this message digest.
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byte[] |
getEncodedState()
Return an encoded byte array for the digest's internal state
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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, populateState, update, updatepublic SHA224Digest()
public SHA224Digest(SHA224Digest t)
public SHA224Digest(byte[] encodedState)
encodedState - the encoded state from the originating digest.public String getAlgorithmName()
DigestgetAlgorithmName in interface Digestpublic int getDigestSize()
DigestgetDigestSize in interface Digestprotected void processWord(byte[] in,
int inOff)
processWord in class GeneralDigestprotected void processLength(long bitLength)
processLength in class GeneralDigestpublic int doFinal(byte[] out,
int outOff)
Digestpublic void reset()
reset in interface Digestreset in class GeneralDigestprotected void processBlock()
processBlock in class GeneralDigestpublic 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.
public byte[] getEncodedState()
EncodableDigestgetEncodedState in interface EncodableDigest