javax.crypto
Class NullCipher

java.lang.Object
  extended by javax.crypto.Cipher
      extended by javax.crypto.NullCipher

public class NullCipher
extends Cipher

Trivial subclass of Cipher that implements the identity transformation, where the input is always copied to the output unchanged. Null ciphers can be instantiated with the public constructor.


Field Summary
 
Fields inherited from class javax.crypto.Cipher
DECRYPT_MODE, ENCRYPT_MODE, PRIVATE_KEY, PUBLIC_KEY, SECRET_KEY, UNWRAP_MODE, WRAP_MODE
 
Constructor Summary
NullCipher()
          Create a new identity cipher.
 
Method Summary
 
Methods inherited from class javax.crypto.Cipher
doFinal, doFinal, doFinal, doFinal, doFinal, doFinal, doFinal, getAlgorithm, getBlockSize, getExemptionMechanism, getInstance, getInstance, getInstance, getIV, getOutputSize, getParameters, getProvider, init, init, init, init, init, init, init, init, unwrap, update, update, update, update, update, wrap
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NullCipher

public NullCipher()
Create a new identity cipher.