Example usage for org.bouncycastle.asn1.x509 X509Extension deltaCRLIndicator

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.x509 X509Extension deltaCRLIndicator.

Prototype

ASN1ObjectIdentifier deltaCRLIndicator

To view the source code for org.bouncycastle.asn1.x509 X509Extension deltaCRLIndicator.

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Document

Delta CRL indicator

Usage

From source file:mitm.common.security.crl.PKIXRevocationChecker.java

License:Open Source License

private boolean hasUnsupportedCriticalExtensions(X509CRL crl) {
    Set<String> criticalExtensions = crl.getCriticalExtensionOIDs();

    if (criticalExtensions != null) {
        criticalExtensions.remove(X509Extension.issuingDistributionPoint.getId());
        criticalExtensions.remove(X509Extension.deltaCRLIndicator.getId());
        criticalExtensions.remove(X509Extension.cRLNumber.getId());
        /*//from   w w w. jav a  2s .  co m
         * Some issuers (Verisign) add a critcal Authority Key Identifier to the CRL. 
         * 
         * RFC 3280 explicitly says: 
         * 
         * 4.2.1.1  Authority Key Identifier
         * ....
         * This extension MUST NOT be marked critical.
         * 
         * We will therefore ignore this extension if it's critical
         * 
         */
        criticalExtensions.remove(X509Extension.authorityKeyIdentifier.getId());
    }

    return criticalExtensions != null && criticalExtensions.size() > 0;
}

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From source file:mitm.common.security.crl.X509CRLInspector.java

License:Open Source License

/**
 * Returns the deltaIndicator extension//from   ww  w.java 2  s  . c om
 */
public static BigInteger getDeltaIndicator(X509CRL crl) throws IOException {
    BigInteger deltaIndicator = null;

    ASN1Object derDeltaCRLIndicator = ASN1Utils.getExtensionValue(crl, X509Extension.deltaCRLIndicator.getId());

    if (derDeltaCRLIndicator != null) {
        /* CRL number must be a positive number */
        deltaIndicator = CRLNumber.getInstance(derDeltaCRLIndicator).getCRLNumber();
    }

    return deltaIndicator;
}

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