kz.gamma.hardware.tsp
Class TSPUtil

java.lang.Object
  kz.gamma.hardware.tsp.TSPUtil

public class TSPUtil
extends java.lang.Object

Field Summary

private static java.util.Map	digestLengths
private static java.util.Map	digestNames

Constructor Summary

TSPUtil()

Method Summary

(package private) static java.lang.String	getDigestAlgName(java.lang.String digestAlgOID)
(package private) static int	getDigestLength(java.lang.String digestAlgOID, java.lang.String provider)
static void	validateCertificate(java.security.cert.X509Certificate cert) Validate the passed in certificate as being of the correct type to be used for time stamping.

Methods inherited from class java.lang.Object

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

Field Detail

digestLengths

private static final java.util.Map digestLengths

digestNames

private static final java.util.Map digestNames

Constructor Detail

TSPUtil

public TSPUtil()

Method Detail

validateCertificate

public static void validateCertificate(java.security.cert.X509Certificate cert)
                                throws TSPValidationException

Validate the passed in certificate as being of the correct type to be used for time stamping. To be valid it must have an ExtendedKeyUsage extension which has a key purpose identifier of id-kp-timeStamping.

Parameters:

cert - the certificate of interest.

Throws:

TSPValidationException - if the certicate fails on one of the check points.

getDigestAlgName

static java.lang.String getDigestAlgName(java.lang.String digestAlgOID)

getDigestLength

static int getDigestLength(java.lang.String digestAlgOID,
                           java.lang.String provider)
                    throws java.security.NoSuchProviderException,
                           TSPException

Throws:

java.security.NoSuchProviderException

TSPException