cryptix.provider.key

Class SPEEDKeyGenerator

java.lang.Object

xjava.security.KeyGenerator

cryptix.provider.key.RawKeyGenerator

cryptix.provider.key.SPEEDKeyGenerator

All Implemented Interfaces:

java.lang.Cloneable, ExtendedKeyGenerator, Parameterized

public class SPEEDKeyGenerator
extends RawKeyGenerator

A variable-length key generator for SPEED.

SPEED keys have a length of between 48 and 256 bits, in steps of 16 bits (i.e. keys always have an even number of bytes). The default length is 128 bits.

Copyright © 1997 Systemics Ltd on behalf of the Cryptix Development Team.
All rights reserved.

$Revision: 1.1.1.1 $

Since:

Cryptix 2.2.2

Author:

David Hopwood

Constructor Summary

Constructors

Constructor and Description
SPEEDKeyGenerator()

Method Summary

Modifier and Type	Method and Description
boolean	isValidKeyLength(int length) Returns true iff length is a valid key length (in bytes) for this algorithm.

Methods inherited from class cryptix.provider.key.RawKeyGenerator

engineGenerateKey, generateKey, generateKey, getDefaultKeyLength, getMaximumKeyLength, getMinimumKeyLength, initialize, initialize, isWeak, isWeakAllowed, setWeakAllowed

Methods inherited from class xjava.security.KeyGenerator

clone, engineGetParameter, engineSetParameter, getAlgorithm, getAlgorithms, getAlgorithms, getInstance, getInstance, getParameter, setParameter, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SPEEDKeyGenerator

public SPEEDKeyGenerator()

Method Detail

isValidKeyLength

public boolean isValidKeyLength(int length)

Description copied from class: RawKeyGenerator

Returns true iff length is a valid key length (in bytes) for this algorithm.

The default implementation returns true if length is between the minimum and maximum key lengths. Some algorithms will override this method to specify a more restricted set of values.

Specified by:

isValidKeyLength in interface ExtendedKeyGenerator

Overrides:

isValidKeyLength in class RawKeyGenerator