Examples with ExtendedPKIXBuilderParameters org.bouncycastle.x509.ExtendedPKIXBuilderParameters used on opensource projects

Example 6 with ExtendedPKIXBuilderParameters

use of org.bouncycastle.x509.ExtendedPKIXBuilderParameters in project XobotOS by xamarin.

the class PKIXCertPathBuilderSpi method engineBuild.

/**
     * Build and validate a CertPath using the given parameter.
     * 
     * @param params PKIXBuilderParameters object containing all information to
     *            build the CertPath
     */
public CertPathBuilderResult engineBuild(CertPathParameters params) throws CertPathBuilderException, InvalidAlgorithmParameterException {
    if (!(params instanceof PKIXBuilderParameters) && !(params instanceof ExtendedPKIXBuilderParameters)) {
        throw new InvalidAlgorithmParameterException("Parameters must be an instance of " + PKIXBuilderParameters.class.getName() + " or " + ExtendedPKIXBuilderParameters.class.getName() + ".");
    }
    ExtendedPKIXBuilderParameters pkixParams = null;
    if (params instanceof ExtendedPKIXBuilderParameters) {
        pkixParams = (ExtendedPKIXBuilderParameters) params;
    } else {
        pkixParams = (ExtendedPKIXBuilderParameters) ExtendedPKIXBuilderParameters.getInstance((PKIXBuilderParameters) params);
    }
    Collection targets;
    Iterator targetIter;
    List certPathList = new ArrayList();
    X509Certificate cert;
    // search target certificates
    Selector certSelect = pkixParams.getTargetConstraints();
    if (!(certSelect instanceof X509CertStoreSelector)) {
        throw new CertPathBuilderException("TargetConstraints must be an instance of " + X509CertStoreSelector.class.getName() + " for " + this.getClass().getName() + " class.");
    }
    try {
        targets = CertPathValidatorUtilities.findCertificates((X509CertStoreSelector) certSelect, pkixParams.getStores());
        targets.addAll(CertPathValidatorUtilities.findCertificates((X509CertStoreSelector) certSelect, pkixParams.getCertStores()));
    } catch (AnnotatedException e) {
        throw new ExtCertPathBuilderException("Error finding target certificate.", e);
    }
    if (targets.isEmpty()) {
        throw new CertPathBuilderException("No certificate found matching targetContraints.");
    }
    CertPathBuilderResult result = null;
    // check all potential target certificates
    targetIter = targets.iterator();
    while (targetIter.hasNext() && result == null) {
        cert = (X509Certificate) targetIter.next();
        result = build(cert, pkixParams, certPathList);
    }
    if (result == null && certPathException != null) {
        if (certPathException instanceof AnnotatedException) {
            throw new CertPathBuilderException(certPathException.getMessage(), certPathException.getCause());
        }
        throw new CertPathBuilderException("Possible certificate chain could not be validated.", certPathException);
    }
    if (result == null && certPathException == null) {
        throw new CertPathBuilderException("Unable to find certificate chain.");
    }
    return result;
}