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Class javax.crypto.spec.IvParameterSpec

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

public class IvParameterSpec
extends java.lang.Object
implements java.security.spec.AlgorithmParameterSpec
This class specifies an initialization vector (IV). IVs are used by ciphers in feedback mode, e.g., DES in CBC mode.


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, notifyAll, notify, 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)

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