Package javax.crypto.spec

Class IvParameterSpec

java.lang.Object
javax.crypto.spec.IvParameterSpec
All Implemented Interfaces:
AlgorithmParameterSpec
public class IvParameterSpec
extends Object
implements AlgorithmParameterSpec
The algorithm parameter specification for an initialization vector.

  • Constructor Summary

    Constructors
    Constructor Description
    IvParameterSpec​(byte[] iv)
    Creates a new IvParameterSpec instance with the bytes from the specified buffer iv used as initialization vector.
    IvParameterSpec​(byte[] iv, int offset, int byteCount)
    Creates a new IvParameterSpec instance with byteCount bytes from the specified buffer iv starting at offset.

  • Method Summary

    Modifier and Type Method Description
    byte[] getIV()
    Returns a copy of the initialization vector data.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • IvParameterSpec

      public IvParameterSpec​(byte[] iv)
      Creates a new IvParameterSpec instance with the bytes from the specified buffer iv used as initialization vector.
      Parameters:
      iv - the buffer used as initialization vector.
      Throws:
      NullPointerException - if the specified buffer is null.

    • IvParameterSpec

      public IvParameterSpec​(byte[] iv, int offset, int byteCount)
      Creates a new IvParameterSpec instance with byteCount bytes from the specified buffer iv starting at offset.
      Throws:
      IllegalArgumentException - if the specified buffer is null or offset and byteCount do not specify a valid chunk in the specified buffer.
      ArrayIndexOutOfBoundsException - if offset or byteCount are negative.

  • Method Details

    • getIV

      public byte[] getIV()
      Returns a copy of the initialization vector data.
      Returns:
      a copy of the initialization vector data.