com.cms.crypto
Class DERParameterGenerator

java.lang.Object
  com.cms.crypto.DERParameterGenerator

All Implemented Interfaces:

ParameterGenerator

public class DERParameterGenerator
extends java.lang.Object
implements ParameterGenerator

Generate ASN.1 "open type" algorithm parameters components encoded using the Distinguished Encoding Rules (DER) of ASN.1.

Version:

1.00 - 2006/01/24

Author:

support@phillipgriffin.com

Constructor Summary

DERParameterGenerator(DERCodec codec)
Constructor for DERParameterGenerator with ASN.1 encoding rules parameter.

Method Summary

java.security.spec.AlgorithmParameterSpec	get3DesCbcParameters(ASN1OpenType parameters) Gets the encoded open type parameters for the 3DES CBC algorithm.
java.security.spec.AlgorithmParameterSpec	getAes128CbcParameters(ASN1OpenType parameters) Gets the ASN.1 "open type" parameters for the 128-bit AES in CBC mode algorithm encoded using DER.

Methods inherited from class java.lang.Object

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

Constructor Detail

DERParameterGenerator

public DERParameterGenerator(DERCodec codec)

Constructor for DERParameterGenerator with ASN.1 encoding rules parameter.

Parameters:

codec - ASN.1 encoding rules

Method Detail

getAes128CbcParameters

public java.security.spec.AlgorithmParameterSpec getAes128CbcParameters(ASN1OpenType parameters)
                                                                 throws CryptoException

Gets the ASN.1 "open type" parameters for the 128-bit AES in CBC mode algorithm encoded using DER.

Specified by:

getAes128CbcParameters in interface ParameterGenerator

Parameters:

parameters - an ASN.1 "open type"

Returns:

128-bit AES with CBC algorithm parameters

Throws:

CryptoException

get3DesCbcParameters

public java.security.spec.AlgorithmParameterSpec get3DesCbcParameters(ASN1OpenType parameters)
                                                               throws CryptoException

Gets the encoded open type parameters for the 3DES CBC algorithm.

Specified by:

get3DesCbcParameters in interface ParameterGenerator

Parameters:

parameters - an ASN.1 open type, the value of some ASN.1 type in its encoded format

Throws:

CryptoException