javax.crypto
Class NullCipher

java.lang.Object
  |
  +--javax.crypto.Cipher
        |
        +--javax.crypto.NullCipher

public class NullCipher
extends Cipher

The NullCipher class is a class that provides an "identity cipher" -- one that does not transform the plaintext. As a consequence, the ciphertext is identical to the plaintext. All initialisation methods do nothing, while the blocksize is set to 1 byte.


Field Summary
static java.lang.String ident
           
 
Fields inherited from class javax.crypto.Cipher
DECRYPT_MODE, ENCRYPT_MODE, ident
 
Constructor Summary
NullCipher()
           
 
Methods inherited from class javax.crypto.Cipher
doFinal, doFinal, doFinal, doFinal, doFinal, doFinal, getAlgorithm, getBlockSize, getInstance, getInstance, getIV, getOutputSize, getParameters, getProvider, init, init, init, init, init, init, update, update, update, update
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ident

public static final java.lang.String ident
Constructor Detail

NullCipher

public NullCipher()