Class GeneralDigest
- java.lang.Object
-
- org.gudy.bouncycastle.crypto.digests.GeneralDigest
-
- All Implemented Interfaces:
Digest
- Direct Known Subclasses:
MD4Digest
,MD5Digest
,RIPEMD128Digest
,RIPEMD160Digest
,RIPEMD256Digest
,RIPEMD320Digest
,SHA1Digest
,SHA256Digest
public abstract class GeneralDigest extends java.lang.Object implements Digest
base implementation of MD4 family style digest as outlined in "Handbook of Applied Cryptography", pages 344 - 347.
-
-
Constructor Summary
Constructors Modifier Constructor Description protected
GeneralDigest()
Standard constructorprotected
GeneralDigest(GeneralDigest t)
Copy constructor.
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description void
finish()
protected abstract void
processBlock()
protected abstract void
processLength(long bitLength)
protected abstract void
processWord(byte[] in, int inOff)
void
reset()
reset the digest back to it's initial state.void
update(byte in)
update the message digest with a single byte.void
update(byte[] in, int inOff, int len)
update the message digest with a block of bytes.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface org.gudy.bouncycastle.crypto.Digest
doFinal, getAlgorithmName, getDigestSize
-
-
-
-
Constructor Detail
-
GeneralDigest
protected GeneralDigest()
Standard constructor
-
GeneralDigest
protected GeneralDigest(GeneralDigest t)
Copy constructor. We are using copy constructors in place of the Object.clone() interface as this interface is not supported by J2ME.
-
-
Method Detail
-
update
public void update(byte in)
Description copied from interface:Digest
update the message digest with a single byte.
-
update
public void update(byte[] in, int inOff, int len)
Description copied from interface:Digest
update the message digest with a block of bytes.
-
finish
public void finish()
-
reset
public void reset()
Description copied from interface:Digest
reset the digest back to it's initial state.
-
processWord
protected abstract void processWord(byte[] in, int inOff)
-
processLength
protected abstract void processLength(long bitLength)
-
processBlock
protected abstract void processBlock()
-
-