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cryptix.jce.provider.mac
Class Null
java.lang.Objectjavax.crypto.MacSpi
- public final class Null
- extends javax.crypto.MacSpi
Null MAC, a MAC with length 0.
- Version:
- $Revision: 1.5 $
| Constructor Summary | |
Null()
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| Method Summary | |
java.lang.Object |
clone()
Clone this MAC object. |
protected byte[] |
engineDoFinal()
Finalize the computation of this MAC and return the result as a byte array. |
protected int |
engineGetMacLength()
Return the length of this Mac: 0 |
protected void |
engineInit(java.security.Key key,
java.security.spec.AlgorithmParameterSpec params)
Initialize (or re-initialize) this instance. |
protected void |
engineReset()
Reset this instance. |
protected void |
engineUpdate(byte input)
Update this MAC with a single byte. |
protected void |
engineUpdate(byte[] input,
int offset,
int len)
Update this MAC with a portion of a byte array. |
| Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
Null
public Null()
| Method Detail |
engineGetMacLength
protected final int engineGetMacLength()
- Return the length of this Mac: 0
engineInit
protected final void engineInit(java.security.Key key, java.security.spec.AlgorithmParameterSpec params) throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
- Description copied from class:
javax.crypto.MacSpi - Initialize (or re-initialize) this instance.
engineUpdate
protected final void engineUpdate(byte input)
- Description copied from class:
javax.crypto.MacSpi - Update this MAC with a single byte.
engineUpdate
protected final void engineUpdate(byte[] input,
int offset,
int len)
- Description copied from class:
javax.crypto.MacSpi - Update this MAC with a portion of a byte array.
engineDoFinal
protected final byte[] engineDoFinal()
- Description copied from class:
javax.crypto.MacSpi - Finalize the computation of this MAC and return the result as a
byte array.
engineReset
protected final void engineReset()
- Description copied from class:
javax.crypto.MacSpi - Reset this instance. After this method succeeds, the state of this
instance should be the same as it was before any data was input
(possibly after a call to
#init(java.security.Key,java.security.spec.AlgorithmParameterSpec), possibly not).
clone
public java.lang.Object clone() throws java.lang.CloneNotSupportedException
- Clone this MAC object.
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