Examples with DigestCalculatorProvider org.bouncycastle.operator.DigestCalculatorProvider used on opensource projects

Example 11 with DigestCalculatorProvider

use of org.bouncycastle.operator.DigestCalculatorProvider in project ddf by codice.

the class OcspChecker method generateOcspRequest.

/**
 * Creates an {@link OCSPReq} to send to the OCSP server for the given certificate.
 *
 * @param cert - the certificate to verify
 * @return the created OCSP request
 * @throws OcspCheckerException after posting an alert to the admin console, if any error occurs
 */
@VisibleForTesting
OCSPReq generateOcspRequest(Certificate cert) throws OcspCheckerException {
    try {
        X509CertificateHolder issuerCert = resolveIssuerCertificate(cert);
        JcaDigestCalculatorProviderBuilder digestCalculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder();
        DigestCalculatorProvider digestCalculatorProvider = digestCalculatorProviderBuilder.build();
        DigestCalculator digestCalculator = digestCalculatorProvider.get(CertificateID.HASH_SHA1);
        CertificateID certId = new CertificateID(digestCalculator, issuerCert, cert.getSerialNumber().getValue());
        OCSPReqBuilder ocspReqGenerator = new OCSPReqBuilder();
        ocspReqGenerator.addRequest(certId);
        return ocspReqGenerator.build();
    } catch (OCSPException | OperatorCreationException e) {
        throw new OcspCheckerException("Unable to create an OCSP request." + NOT_VERIFIED_MSG, e);
    }
}