iaik.pdf.asn1objects

Class SignatureTimeStamp

java.lang.Object

iaik.asn1.structures.AttributeValue

iaik.smime.attributes.SignatureTimeStampToken

iaik.pdf.asn1objects.SignatureTimeStamp

All Implemented Interfaces:

iaik.asn1.ASN1Type

public class SignatureTimeStamp
extends iaik.smime.attributes.SignatureTimeStampToken

This class adds a verification method to the already existing SignatureTimeStampToken class.

Field Summary

Fields inherited from class iaik.smime.attributes.SignatureTimeStampToken

oid

Constructor Summary

Constructors

Constructor and Description
SignatureTimeStamp(iaik.asn1.ASN1Object timestampToken, byte[] protectedSignatureValue) Constructor specifying the timestamp token as ASN.1 object and the protected signature value.
SignatureTimeStamp(iaik.smime.attributes.SignatureTimeStampToken timestampToken, byte[] protectedSignatureValue) Constructor specifying the timestamp token and the protected signature value.

Method Summary

Modifier and Type	Method and Description
iaik.tsp.TimeStampToken	getTimeStampToken() Returns the timestamp value as TimeStampToken object.
void	verifyTimeStampToken(iaik.x509.X509Certificate tsa_certificate) Verify this timestamp's signature and ensure that the timestamp's imprint corresponds to the expected imprint.

Methods inherited from class iaik.smime.attributes.SignatureTimeStampToken

decode, equals, getAttributeType, hashCode, toASN1Object, toString

Methods inherited from class iaik.asn1.structures.AttributeValue

getName, multipleAllowed

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SignatureTimeStamp

public SignatureTimeStamp(iaik.asn1.ASN1Object timestampToken,
                          byte[] protectedSignatureValue)

Constructor specifying the timestamp token as ASN.1 object and the protected signature value.

Parameters:

timestampToken - the timestamp token as ASN.1 object

protectedSignatureValue - the signature value protected by this signature timestamp

SignatureTimeStamp

public SignatureTimeStamp(iaik.smime.attributes.SignatureTimeStampToken timestampToken,
                          byte[] protectedSignatureValue)

Constructor specifying the timestamp token and the protected signature value.

Parameters:

timestampToken - the timestamp token

protectedSignatureValue - the signature value protected by this signature timestamp

Method Detail

verifyTimeStampToken

public void verifyTimeStampToken(iaik.x509.X509Certificate tsa_certificate)
                          throws CmsCadesException,
                                 iaik.tsp.TspVerificationException

Verify this timestamp's signature and ensure that the timestamp's imprint corresponds to the expected imprint. To verify the signature value the given TSA certificate is used. If the given TSA certificate is null and this timestamp contains the corresponding TSA certificate, the included TSA certificate is used.

Parameters:

tsa_certificate - The certificate of the timestamp authority

Throws:

CmsCadesException - if the imprint is invalid or the timestamp token could not be parsed or no TSA certificate is available

iaik.tsp.TspVerificationException - if this timestamp's signature could not be verified

getTimeStampToken

public iaik.tsp.TimeStampToken getTimeStampToken()
                                          throws CmsCadesException

Returns the timestamp value as TimeStampToken object.

Returns:

the timestamp token

Throws:

CmsCadesException - if the timestamp token could not be parsed