iaik.me.security.cipher
Class RC2

java.lang.Object
  |
  +--iaik.me.security.Cipher
        |
        +--iaik.me.security.cipher.RC2

public class RC2

extends Cipher

Fields inherited from class iaik.me.security.Cipher

chainingMode, DECRYPT_MODE, ENCRYPT_MODE, iv, mode, MODE_CBC, MODE_ECB

Constructor Summary

RC2()

Method Summary

protected void	cryptBlock(byte[] in, int inOff, byte[] out, int outOff) Encrypt one block.
int[]	getKeyLength() Return the valid key lengths for this cipher.
void	init(int mode, CryptoBag keyb, Object params, SecureRandom random) Initialize this cipher.

Methods inherited from class iaik.me.security.Cipher

doFinal, doFinal, extractIV, getBlockSize, getInstance, getIV, init, register, setMode, setPadding, toString, update, updateInternal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RC2

public RC2()

Method Detail

getKeyLength

public int[] getKeyLength()

Description copied from class: Cipher

Return the valid key lengths for this cipher. The array will always have four elements, key lengths are specified in bytes. The values identify the length of the key in bytes, not the entropy, i.e. DES returns 8 instead of 7.
[0] is the minimum allowable length (e.g. 1 byte (8 bit) for ARCFOUR).
[1] is the recommended default length (e.g. 16 byte (128 bit) for ARCFOUR).
[2] is the maximum allowable length (e.g. 128 byte (1024 bit) for ARCFOUR).
[3] is increment between key length (e.g. 1 byte (8 bit) for ARCFOUR), 4 byte (32 bit) for AES.
It is assumed that keys are always a integral number of bytes.

Overrides:

getKeyLength in class Cipher

init

public void init(int mode,
                 CryptoBag keyb,
                 Object params,
                 SecureRandom random)
          throws CryptoException

Description copied from class: Cipher

Initialize this cipher.

Overrides:

init in class Cipher

cryptBlock

protected void cryptBlock(byte[] in,
                          int inOff,
                          byte[] out,
                          int outOff)

Description copied from class: Cipher

Encrypt one block. To be implemented by subclasses.

Overrides:

cryptBlock in class Cipher