demo.smime.ess
Class SigningCertificateV2Demo

java.lang.Object
  demo.smime.ess.SigningCertificateDemo
      demo.smime.ess.SigningCertificateV2Demo

public class SigningCertificateV2Demo
extends SigningCertificateDemo

Demonstrates how to add and parse a SigningCertificateV2 attribute to the SignerInfo of a SignedDataStream or SignedData object. The SigningCertificateV2 attributes maybe used to include certificate identification information into the signed attributes of a CMS SignerInfo object. It has been introduced by RFC 5035 to allow to use the SigningCertificate attribute with other hash algorithms than SHA-1.

See Also:

SigningCertificate, SigningCertificateV2, SignerInfo, SignedDataStream, SignedData

Constructor Summary

SigningCertificateV2Demo()
Setups the demo certificate chains.

Method Summary

protected iaik.smime.ess.SigningCertificate	createSigningCertificate(java.security.cert.Certificate[] certs) Creates a SigningCertificateV2 attribute for the given certificates.
protected iaik.smime.ess.SigningCertificate	getSigningCertificate(iaik.cms.SignerInfo signerInfo) Gets the SigningCertificateV2 attribute from the given SignerInfo.
static void	main(java.lang.String[] args) The main method.
protected void	printHeader() Prints some header lines to System.out.

Methods inherited from class demo.smime.ess.SigningCertificateDemo

createAttributeCertificate, createSignedData, createSignedDataStream, getSignedData, getSignedDataStream, start

Methods inherited from class java.lang.Object

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

Constructor Detail

SigningCertificateV2Demo

public SigningCertificateV2Demo()
                         throws java.io.IOException

Setups the demo certificate chains. Keys and certificate are retrieved from the demo KeyStore.

Throws:

java.io.IOException - if an file read error occurs

Method Detail

createSigningCertificate

protected iaik.smime.ess.SigningCertificate createSigningCertificate(java.security.cert.Certificate[] certs)
                                                              throws iaik.cms.CMSException

Creates a SigningCertificateV2 attribute for the given certificates.

Overrides:

createSigningCertificate in class SigningCertificateDemo

Parameters:

certs - the certificates for which to create the SigningCertificateV2 attribute

Returns:

the SigningCertificate attribute just created

Throws:

iaik.cms.CMSException - if an error occurs when creating the SigningCertificateV2 attribute

getSigningCertificate

protected iaik.smime.ess.SigningCertificate getSigningCertificate(iaik.cms.SignerInfo signerInfo)
                                                           throws iaik.cms.CMSException

Gets the SigningCertificateV2 attribute from the given SignerInfo.

Overrides:

getSigningCertificate in class SigningCertificateDemo

Parameters:

signerInfo - the SignerInfo from which to get the SigningCertificateV2 attribute

Returns:

the SigningCertificateV2 attribute, or null if no SigningCertificate attribute is included

Throws:

iaik.cms.CMSException - if an error occurs when getting the SigningCertificateV2 attribute

printHeader

protected void printHeader()

Prints some header lines to System.out.

Overrides:

printHeader in class SigningCertificateDemo

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

The main method.

Throws:

java.io.IOException - if an I/O error occurs when reading required keys and certificates from files

java.lang.Exception