javax.crypto

Class NullCipher

java.lang.Object

javax.crypto.Cipher

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

Constructors

Constructor and Description
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.