Examples with Extension org.bouncycastle.asn1.x509.Extension used on opensource projects

Example 71 with Extension

use of org.bouncycastle.asn1.x509.Extension in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method prepareCertB.

protected static PKIXPolicyNode prepareCertB(CertPath certPath, int index, List[] policyNodes, PKIXPolicyNode validPolicyTree, int policyMapping) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    int n = certs.size();
    // i as defined in the algorithm description
    int i = n - index;
    // (b)
    //
    ASN1Sequence pm = null;
    try {
        pm = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.POLICY_MAPPINGS));
    } catch (AnnotatedException ex) {
        throw new ExtCertPathValidatorException("Policy mappings extension could not be decoded.", ex, certPath, index);
    }
    PKIXPolicyNode _validPolicyTree = validPolicyTree;
    if (pm != null) {
        ASN1Sequence mappings = (ASN1Sequence) pm;
        Map m_idp = new HashMap();
        Set s_idp = new HashSet();
        for (int j = 0; j < mappings.size(); j++) {
            ASN1Sequence mapping = (ASN1Sequence) mappings.getObjectAt(j);
            String id_p = ((DERObjectIdentifier) mapping.getObjectAt(0)).getId();
            String sd_p = ((DERObjectIdentifier) mapping.getObjectAt(1)).getId();
            Set tmp;
            if (!m_idp.containsKey(id_p)) {
                tmp = new HashSet();
                tmp.add(sd_p);
                m_idp.put(id_p, tmp);
                s_idp.add(id_p);
            } else {
                tmp = (Set) m_idp.get(id_p);
                tmp.add(sd_p);
            }
        }
        Iterator it_idp = s_idp.iterator();
        while (it_idp.hasNext()) {
            String id_p = (String) it_idp.next();
            //
            if (policyMapping > 0) {
                boolean idp_found = false;
                Iterator nodes_i = policyNodes[i].iterator();
                while (nodes_i.hasNext()) {
                    PKIXPolicyNode node = (PKIXPolicyNode) nodes_i.next();
                    if (node.getValidPolicy().equals(id_p)) {
                        idp_found = true;
                        node.expectedPolicies = (Set) m_idp.get(id_p);
                        break;
                    }
                }
                if (!idp_found) {
                    nodes_i = policyNodes[i].iterator();
                    while (nodes_i.hasNext()) {
                        PKIXPolicyNode node = (PKIXPolicyNode) nodes_i.next();
                        if (RFC3280CertPathUtilities.ANY_POLICY.equals(node.getValidPolicy())) {
                            Set pq = null;
                            ASN1Sequence policies = null;
                            try {
                                policies = (ASN1Sequence) CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
                            } catch (AnnotatedException e) {
                                throw new ExtCertPathValidatorException("Certificate policies extension could not be decoded.", e, certPath, index);
                            }
                            Enumeration e = policies.getObjects();
                            while (e.hasMoreElements()) {
                                PolicyInformation pinfo = null;
                                try {
                                    pinfo = PolicyInformation.getInstance(e.nextElement());
                                } catch (Exception ex) {
                                    throw new CertPathValidatorException("Policy information could not be decoded.", ex, certPath, index);
                                }
                                if (RFC3280CertPathUtilities.ANY_POLICY.equals(pinfo.getPolicyIdentifier().getId())) {
                                    try {
                                        pq = CertPathValidatorUtilities.getQualifierSet(pinfo.getPolicyQualifiers());
                                    } catch (CertPathValidatorException ex) {
                                        throw new ExtCertPathValidatorException("Policy qualifier info set could not be decoded.", ex, certPath, index);
                                    }
                                    break;
                                }
                            }
                            boolean ci = false;
                            if (cert.getCriticalExtensionOIDs() != null) {
                                ci = cert.getCriticalExtensionOIDs().contains(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
                            }
                            PKIXPolicyNode p_node = (PKIXPolicyNode) node.getParent();
                            if (RFC3280CertPathUtilities.ANY_POLICY.equals(p_node.getValidPolicy())) {
                                PKIXPolicyNode c_node = new PKIXPolicyNode(new ArrayList(), i, (Set) m_idp.get(id_p), p_node, pq, id_p, ci);
                                p_node.addChild(c_node);
                                policyNodes[i].add(c_node);
                            }
                            break;
                        }
                    }
                }
            //
            // (2)
            //
            } else if (policyMapping <= 0) {
                Iterator nodes_i = policyNodes[i].iterator();
                while (nodes_i.hasNext()) {
                    PKIXPolicyNode node = (PKIXPolicyNode) nodes_i.next();
                    if (node.getValidPolicy().equals(id_p)) {
                        PKIXPolicyNode p_node = (PKIXPolicyNode) node.getParent();
                        p_node.removeChild(node);
                        nodes_i.remove();
                        for (int k = (i - 1); k >= 0; k--) {
                            List nodes = policyNodes[k];
                            for (int l = 0; l < nodes.size(); l++) {
                                PKIXPolicyNode node2 = (PKIXPolicyNode) nodes.get(l);
                                if (!node2.hasChildren()) {
                                    _validPolicyTree = CertPathValidatorUtilities.removePolicyNode(_validPolicyTree, policyNodes, node2);
                                    if (_validPolicyTree == null) {
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    return _validPolicyTree;
}

Example 72 with Extension

use of org.bouncycastle.asn1.x509.Extension in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method prepareNextCertG.

protected static void prepareNextCertG(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    // (g) handle the name constraints extension
    //
    NameConstraints nc = null;
    try {
        ASN1Sequence ncSeq = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.NAME_CONSTRAINTS));
        if (ncSeq != null) {
            nc = new NameConstraints(ncSeq);
        }
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Name constraints extension could not be decoded.", e, certPath, index);
    }
    if (nc != null) {
        //
        // (g) (1) permitted subtrees
        //
        ASN1Sequence permitted = nc.getPermittedSubtrees();
        if (permitted != null) {
            try {
                nameConstraintValidator.intersectPermittedSubtree(permitted);
            } catch (Exception ex) {
                throw new ExtCertPathValidatorException("Permitted subtrees cannot be build from name constraints extension.", ex, certPath, index);
            }
        }
        //
        // (g) (2) excluded subtrees
        //
        ASN1Sequence excluded = nc.getExcludedSubtrees();
        if (excluded != null) {
            Enumeration e = excluded.getObjects();
            try {
                while (e.hasMoreElements()) {
                    GeneralSubtree subtree = GeneralSubtree.getInstance(e.nextElement());
                    nameConstraintValidator.addExcludedSubtree(subtree);
                }
            } catch (Exception ex) {
                throw new ExtCertPathValidatorException("Excluded subtrees cannot be build from name constraints extension.", ex, certPath, index);
            }
        }
    }
}

Example 73 with Extension

use of org.bouncycastle.asn1.x509.Extension in project XobotOS by xamarin.

the class X509V3CertificateGenerator method copyAndAddExtension.

/**
     * add a given extension field for the standard extensions tag (tag 3)
     * copying the extension value from another certificate.
     * @throws CertificateParsingException if the extension cannot be extracted.
     */
public void copyAndAddExtension(String oid, boolean critical, X509Certificate cert) throws CertificateParsingException {
    byte[] extValue = cert.getExtensionValue(oid);
    if (extValue == null) {
        throw new CertificateParsingException("extension " + oid + " not present");
    }
    try {
        ASN1Encodable value = X509ExtensionUtil.fromExtensionValue(extValue);
        this.addExtension(oid, critical, value);
    } catch (IOException e) {
        throw new CertificateParsingException(e.toString());
    }
}

Example 74 with Extension

use of org.bouncycastle.asn1.x509.Extension in project XobotOS by xamarin.

the class X509CertificateObject method getExtendedKeyUsage.

public List getExtendedKeyUsage() throws CertificateParsingException {
    byte[] bytes = this.getExtensionBytes("2.5.29.37");
    if (bytes != null) {
        try {
            ASN1InputStream dIn = new ASN1InputStream(bytes);
            ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
            List list = new ArrayList();
            for (int i = 0; i != seq.size(); i++) {
                list.add(((DERObjectIdentifier) seq.getObjectAt(i)).getId());
            }
            return Collections.unmodifiableList(list);
        } catch (Exception e) {
            throw new CertificateParsingException("error processing extended key usage extension");
        }
    }
    return null;
}

Example 75 with Extension

use of org.bouncycastle.asn1.x509.Extension in project XobotOS by xamarin.

the class X509Extensions method toASN1Object.

/**
     * <pre>
     *     Extensions        ::=   SEQUENCE SIZE (1..MAX) OF Extension
     *
     *     Extension         ::=   SEQUENCE {
     *        extnId            EXTENSION.&amp;id ({ExtensionSet}),
     *        critical          BOOLEAN DEFAULT FALSE,
     *        extnValue         OCTET STRING }
     * </pre>
     */
public DERObject toASN1Object() {
    ASN1EncodableVector vec = new ASN1EncodableVector();
    Enumeration e = ordering.elements();
    while (e.hasMoreElements()) {
        ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
        X509Extension ext = (X509Extension) extensions.get(oid);
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(oid);
        if (ext.isCritical()) {
            // BEGIN android-changed
            v.add(DERBoolean.TRUE);
        // END android-changed
        }
        v.add(ext.getValue());
        vec.add(new DERSequence(v));
    }
    return new DERSequence(vec);
}