Constructor Detail

• TSPUtil

  public TSPUtil()

Method Detail

• getSignatureTimestamps

  public static java.util.Collection getSignatureTimestamps​(SignerInformation signerInfo,
                                                            DigestCalculatorProvider digCalcProvider)
                                                     throws TSPValidationException

  Fetches the signature time-stamp attributes from a SignerInformation object. Checks that the MessageImprint for each time-stamp matches the signature field. (see RFC 3161 Appendix A).

  Parameters:

  signerInfo - a SignerInformation to search for time-stamps

  digCalcProvider - provider for digest calculators

  Returns:

  a collection of TimeStampToken objects

  Throws:

  TSPValidationException

• validateCertificate

  public static void validateCertificate​(X509CertificateHolder 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 certificate fails on one of the check points.