Java Doc for AlgorithmParameterGeneratorSpi.java in  » 6.0-JDK-Modules » j2me » java » security » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » java.security 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.security.AlgorithmParameterGeneratorSpi

All known Subclasses:   sun.security.provider.DSAParameterGenerator,
AlgorithmParameterGeneratorSpi
abstract public class AlgorithmParameterGeneratorSpi (Code)
This class defines the Service Provider Interface (SPI) for the AlgorithmParameterGenerator class, which is used to generate a set of parameters to be used with a certain algorithm.

All the abstract methods in this class must be implemented by each cryptographic service provider who wishes to supply the implementation of a parameter generator for a particular algorithm.

In case the client does not explicitly initialize the AlgorithmParameterGenerator (via a call to an engineInit method), each provider must supply (and document) a default initialization. For example, the Sun provider uses a default modulus prime size of 1024 bits for the generation of DSA parameters.
author:
   Jan Luehe
version:
   1.11, 02/02/00
See Also:   AlgorithmParameterGenerator
See Also:   AlgorithmParameters
See Also:   java.security.spec.AlgorithmParameterSpec
since:
   1.2





Method Summary
abstract protected  AlgorithmParametersengineGenerateParameters()
     Generates the parameters.
abstract protected  voidengineInit(int size, SecureRandom random)
     Initializes this parameter generator for a certain size and source of randomness.
abstract protected  voidengineInit(AlgorithmParameterSpec genParamSpec, SecureRandom random)
     Initializes this parameter generator with a set of algorithm-specific parameter generation values.



Method Detail
engineGenerateParameters
abstract protected AlgorithmParameters engineGenerateParameters()(Code)
Generates the parameters. the new AlgorithmParameters object.



engineInit
abstract protected void engineInit(int size, SecureRandom random)(Code)
Initializes this parameter generator for a certain size and source of randomness.
Parameters:
  size - the size (number of bits).
Parameters:
  random - the source of randomness.



engineInit
abstract protected void engineInit(AlgorithmParameterSpec genParamSpec, SecureRandom random) throws InvalidAlgorithmParameterException(Code)
Initializes this parameter generator with a set of algorithm-specific parameter generation values.
Parameters:
  genParamSpec - the set of algorithm-specific parameter generation values.
Parameters:
  random - the source of randomness.
exception:
  InvalidAlgorithmParameterException - if the given parametergeneration values are inappropriate for this parameter generator.



Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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