Package org.bouncycastle.crypto.engines

Class DESedeWrapEngine

  • All Implemented Interfaces:
    Wrapper
    public class DESedeWrapEngine
extends java.lang.Object
implements Wrapper
    Wrap keys according to RFC 3217.

    Note:

    • if you are using this to wrap triple-des keys you need to set the parity bits on the key and, if it's a two-key triple-des key, pad it yourself.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String getAlgorithmName()
      Method getAlgorithmName
      void init​(boolean forWrapping, CipherParameters param)
      Method init
      byte[] unwrap​(byte[] in, int inOff, int inLen)
      Method unwrap
      byte[] wrap​(byte[] in, int inOff, int inLen)
      Method wrap

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • DESedeWrapEngine

        public DESedeWrapEngine()

    • Method Detail

      • init

        public void init​(boolean forWrapping,
                 CipherParameters param)
        Method init
        Specified by:
        init in interface Wrapper
        Parameters:
        forWrapping - true if for wrapping, false otherwise.
        param - necessary parameters, may include KeyParameter, ParametersWithRandom, and ParametersWithIV

      • getAlgorithmName

        public java.lang.String getAlgorithmName()
        Method getAlgorithmName
        Specified by:
        getAlgorithmName in interface Wrapper
        Returns:
        the algorithm name "DESede".

      • wrap

        public byte[] wrap​(byte[] in,
                   int inOff,
                   int inLen)
        Method wrap
        Specified by:
        wrap in interface Wrapper
        Parameters:
        in - byte array containing the encoded key.
        inOff - off set into in that the data starts at.
        inLen - length of the data.
        Returns:
        the wrapped bytes.

      • unwrap

        public byte[] unwrap​(byte[] in,
                     int inOff,
                     int inLen)
              throws InvalidCipherTextException
        Method unwrap
        Specified by:
        unwrap in interface Wrapper
        Parameters:
        in - byte array containing the wrapped key.
        inOff - off set into in that the data starts at.
        inLen - length of the data.
        Returns:
        the unwrapped bytes.
        Throws:
        InvalidCipherTextException