xades4j.providers.impl
Class DefaultTimeStampVerificationProvider

java.lang.Object
  xades4j.providers.impl.DefaultTimeStampVerificationProvider

All Implemented Interfaces:

TimeStampVerificationProvider

public class DefaultTimeStampVerificationProvider
extends Object
implements TimeStampVerificationProvider

Default implementation of TimeStampVerificationProvider. It verifies the token signature, including the TSA certificate, and the digest imprint.

It uses the SUN proprietary API in the sun.security.pkcs package to parse the token and access its members. Only supports DER-encoded tokens.

Author:

Luís

Constructor Summary

DefaultTimeStampVerificationProvider(CertificateValidationProvider certificateValidationProvider)

Method Summary

Date	verifyToken(byte[] timeStampToken, byte[] tsDigestInput) Verifies a time-stamp token.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTimeStampVerificationProvider

@Inject
public DefaultTimeStampVerificationProvider(CertificateValidationProvider certificateValidationProvider)

Method Detail

verifyToken

public Date verifyToken(byte[] timeStampToken,
                        byte[] tsDigestInput)
                 throws TimeStampTokenVerificationException

Description copied from interface: TimeStampVerificationProvider

Verifies a time-stamp token. This includes verifying the digest value and the token signature, including the TSA certificate.

Specified by:

verifyToken in interface TimeStampVerificationProvider

Parameters:

timeStampToken - the encoded time-stamp token

tsDigestInput - the input purportedly used in time-stamp creation, calculated from the current signature

Returns:

the time-stamp

Throws:

TimeStampTokenVerificationException - if the token cannot be validated (see subclasses of the exception)