it.trento.comune.j4sign.examples

Class CertTest

java.lang.Object

it.trento.comune.j4sign.examples.CertTest

public class CertTest
extends java.lang.Object

A class for testing KeyUsage extension of X509 certificates. According to italian law technical directives, a digital signature has legal value if the certificate corresponding to the key used for sign has a Key Usage Extension of "non repudiation" marked as critical.

This class checks this condition against a given certificate.

Author:

Roberto Resoli

Constructor Summary

Constructors

Constructor and Description
CertTest()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) java.lang.String	formatAsHexString(byte[] bytes)
(package private) boolean	isKeyUsageNonRepudiationCritical(java.security.cert.X509Certificate javaCert)
static void	main(java.lang.String[] args)
void	printCert(byte[] certBytes)
(package private) void	printKeyUsage(boolean[] flags)
byte[]	readCertFromFile(java.lang.String filePath)

Methods inherited from class java.lang.Object

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

Constructor Detail

CertTest

public CertTest()

Method Detail

main

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

readCertFromFile

public byte[] readCertFromFile(java.lang.String filePath)
                        throws java.io.IOException

Throws:

java.io.IOException

printCert

public void printCert(byte[] certBytes)
               throws java.security.cert.CertificateException

Throws:

java.security.cert.CertificateException

printKeyUsage

void printKeyUsage(boolean[] flags)

isKeyUsageNonRepudiationCritical

boolean isKeyUsageNonRepudiationCritical(java.security.cert.X509Certificate javaCert)

formatAsHexString

java.lang.String formatAsHexString(byte[] bytes)