Example usage for org.bouncycastle.asn1.x509 TBSCertificateStructure getVersion

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.x509 TBSCertificateStructure getVersion.

Prototype

public int getVersion() 

Source Link

Usage

From source file:ec.rubrica.util.BouncyCastleUtils.java

License:Open Source License

public static boolean certificateHasPolicy(X509Certificate cert, String sOid) {
    try {/*from  w ww.ja va 2 s .c o m*/
        logger.fine("Read cert policies: " + cert.getSerialNumber().toString());

        ByteArrayInputStream bIn = new ByteArrayInputStream(cert.getEncoded());
        ASN1InputStream aIn = new ASN1InputStream(bIn);
        ASN1Sequence seq = (ASN1Sequence) aIn.readObject();
        X509CertificateStructure obj = new X509CertificateStructure(seq);
        TBSCertificateStructure tbsCert = obj.getTBSCertificate();
        if (tbsCert.getVersion() == 3) {
            X509Extensions ext = tbsCert.getExtensions();
            if (ext != null) {
                Enumeration en = ext.oids();
                while (en.hasMoreElements()) {
                    DERObjectIdentifier oid = (DERObjectIdentifier) en.nextElement();
                    X509Extension extVal = ext.getExtension(oid);
                    ASN1OctetString oct = extVal.getValue();
                    ASN1InputStream extIn = new ASN1InputStream(new ByteArrayInputStream(oct.getOctets()));

                    if (oid.equals(X509Extension.certificatePolicies)) {
                        ASN1Sequence cp = (ASN1Sequence) extIn.readObject();
                        for (int i = 0; i != cp.size(); i++) {
                            PolicyInformation pol = PolicyInformation.getInstance(cp.getObjectAt(i));
                            DERObjectIdentifier dOid = pol.getPolicyIdentifier();
                            String soid2 = dOid.getId();

                            logger.fine("Policy: " + soid2);
                            if (soid2.startsWith(sOid))
                                return true;
                        }
                    }
                }
            }

        }
    } catch (Exception ex) {
        logger.severe("Error reading cert policies: " + ex);
    }
    return false;
}

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