javax.crypto.spec
Class IvParameterSpec

java.lang.Object
  |
  +--javax.crypto.spec.IvParameterSpec

public class IvParameterSpec
extends Object
implements AlgorithmParameterSpec

This class specifies an initialization vector (IV). IVs are used by ciphers in feedback mode, e.g., DES in CBC mode.

See Also:
AlgorithmParameterSpec

Constructor Summary
IvParameterSpec(byte[] iv)
          Uses the bytes in iv as the IV.
IvParameterSpec(byte[] iv, int offset, int len)
          Uses the first len bytes in iv, beginning at offset, as the IV.
 
Method Summary
 byte[] getIV()
          Returns the initialization vector (IV).
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

IvParameterSpec

public IvParameterSpec(byte[] iv)
Uses the bytes in iv as the IV.
Parameters:
iv - the buffer with the IV

IvParameterSpec

public IvParameterSpec(byte[] iv,
                       int offset,
                       int len)
Uses the first len bytes in iv, beginning at offset, as the IV.
Parameters:
iv - the buffer with the IV
offset - the offset in iv, where the IV starts
len - the number of IV bytes
Method Detail

getIV

public byte[] getIV()
Returns the initialization vector (IV).
Returns:
the initialization vector (IV)