|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectgnu.crypto.hash.BaseHashStandalone
gnu.crypto.hash.Sha256Standalone
public class Sha256Standalone
Implementation of SHA2-1 [SHA-256] per the IETF Draft Specification.
References:
Field Summary |
---|
Fields inherited from class gnu.crypto.hash.BaseHashStandalone |
---|
blockSize, buffer, count, hashSize, name |
Constructor Summary | |
---|---|
Sha256Standalone()
Trivial 0-arguments constructor. |
Method Summary | |
---|---|
java.lang.Object |
clone()
Returns a clone copy of this instance. |
protected byte[] |
getResult()
Constructs the result from the contents of the current context. |
protected byte[] |
padBuffer()
Returns the byte array to use as padding before completing a hash operation. |
protected void |
resetContext()
Resets the instance for future re-use. |
boolean |
selfTest()
A basic test. |
protected void |
transform(byte[] in,
int offset)
The block digest transformation per se. |
Methods inherited from class gnu.crypto.hash.BaseHashStandalone |
---|
blockSize, digest, hashSize, name, reset, update, update, update |
Methods inherited from class java.lang.Object |
---|
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public Sha256Standalone()
Method Detail |
---|
public java.lang.Object clone()
IMessageDigestStandalone
Returns a clone copy of this instance.
clone
in interface IMessageDigestStandalone
clone
in class BaseHashStandalone
protected void transform(byte[] in, int offset)
BaseHashStandalone
The block digest transformation per se.
transform
in class BaseHashStandalone
in
- the blockSize long block, as an array of bytes to digest.offset
- the index where the data to digest is located within the
input buffer.protected byte[] padBuffer()
BaseHashStandalone
Returns the byte array to use as padding before completing a hash operation.
padBuffer
in class BaseHashStandalone
protected byte[] getResult()
BaseHashStandalone
Constructs the result from the contents of the current context.
getResult
in class BaseHashStandalone
protected void resetContext()
BaseHashStandalone
resetContext
in class BaseHashStandalone
public boolean selfTest()
IMessageDigestStandalone
A basic test. Ensures that the digest of a pre-determined message is equal to a known pre-computed value.
selfTest
in interface IMessageDigestStandalone
selfTest
in class BaseHashStandalone
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |