Examples with Certificate org.openecard.bouncycastle.asn1.x509.Certificate used on opensource projects

Example 21 with Certificate

use of org.openecard.bouncycastle.asn1.x509.Certificate in project robovm by robovm.

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 22 with Certificate

use of org.openecard.bouncycastle.asn1.x509.Certificate in project robovm by robovm.

the class RFC3280CertPathUtilities method processCRLF.

/**
     * Obtain and validate the certification path for the complete CRL issuer.
     * If a key usage extension is present in the CRL issuer's certificate,
     * verify that the cRLSign bit is set.
     *
     * @param crl                CRL which contains revocation information for the certificate
     *                           <code>cert</code>.
     * @param cert               The attribute certificate or certificate to check if it is
     *                           revoked.
     * @param defaultCRLSignCert The issuer certificate of the certificate <code>cert</code>.
     * @param defaultCRLSignKey  The public key of the issuer certificate
     *                           <code>defaultCRLSignCert</code>.
     * @param paramsPKIX         paramsPKIX PKIX parameters.
     * @param certPathCerts      The certificates on the certification path.
     * @return A <code>Set</code> with all keys of possible CRL issuer
     *         certificates.
     * @throws AnnotatedException if the CRL is not valid or the status cannot be checked or
     *                            some error occurs.
     */
protected static Set processCRLF(X509CRL crl, Object cert, X509Certificate defaultCRLSignCert, PublicKey defaultCRLSignKey, ExtendedPKIXParameters paramsPKIX, List certPathCerts) throws AnnotatedException {
    // (f)
    // get issuer from CRL
    X509CertStoreSelector selector = new X509CertStoreSelector();
    try {
        byte[] issuerPrincipal = CertPathValidatorUtilities.getIssuerPrincipal(crl).getEncoded();
        selector.setSubject(issuerPrincipal);
    } catch (IOException e) {
        throw new AnnotatedException("Subject criteria for certificate selector to find issuer certificate for CRL could not be set.", e);
    }
    // get CRL signing certs
    Collection coll;
    try {
        coll = CertPathValidatorUtilities.findCertificates(selector, paramsPKIX.getStores());
        coll.addAll(CertPathValidatorUtilities.findCertificates(selector, paramsPKIX.getAdditionalStores()));
        coll.addAll(CertPathValidatorUtilities.findCertificates(selector, paramsPKIX.getCertStores()));
    } catch (AnnotatedException e) {
        throw new AnnotatedException("Issuer certificate for CRL cannot be searched.", e);
    }
    coll.add(defaultCRLSignCert);
    Iterator cert_it = coll.iterator();
    List validCerts = new ArrayList();
    List validKeys = new ArrayList();
    while (cert_it.hasNext()) {
        X509Certificate signingCert = (X509Certificate) cert_it.next();
        /*
             * CA of the certificate, for which this CRL is checked, has also
             * signed CRL, so skip the path validation, because is already done
             */
        if (signingCert.equals(defaultCRLSignCert)) {
            validCerts.add(signingCert);
            validKeys.add(defaultCRLSignKey);
            continue;
        }
        try {
            CertPathBuilder builder = CertPathBuilder.getInstance("PKIX", BouncyCastleProvider.PROVIDER_NAME);
            selector = new X509CertStoreSelector();
            selector.setCertificate(signingCert);
            ExtendedPKIXParameters temp = (ExtendedPKIXParameters) paramsPKIX.clone();
            temp.setTargetCertConstraints(selector);
            ExtendedPKIXBuilderParameters params = (ExtendedPKIXBuilderParameters) ExtendedPKIXBuilderParameters.getInstance(temp);
            /*
                 * if signingCert is placed not higher on the cert path a
                 * dependency loop results. CRL for cert is checked, but
                 * signingCert is needed for checking the CRL which is dependent
                 * on checking cert because it is higher in the cert path and so
                 * signing signingCert transitively. so, revocation is disabled,
                 * forgery attacks of the CRL are detected in this outer loop
                 * for all other it must be enabled to prevent forgery attacks
                 */
            if (certPathCerts.contains(signingCert)) {
                params.setRevocationEnabled(false);
            } else {
                params.setRevocationEnabled(true);
            }
            List certs = builder.build(params).getCertPath().getCertificates();
            validCerts.add(signingCert);
            validKeys.add(CertPathValidatorUtilities.getNextWorkingKey(certs, 0));
        } catch (CertPathBuilderException e) {
            throw new AnnotatedException("Internal error.", e);
        } catch (CertPathValidatorException e) {
            throw new AnnotatedException("Public key of issuer certificate of CRL could not be retrieved.", e);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        }
    }
    Set checkKeys = new HashSet();
    AnnotatedException lastException = null;
    for (int i = 0; i < validCerts.size(); i++) {
        X509Certificate signCert = (X509Certificate) validCerts.get(i);
        boolean[] keyusage = signCert.getKeyUsage();
        if (keyusage != null && (keyusage.length < 7 || !keyusage[CRL_SIGN])) {
            lastException = new AnnotatedException("Issuer certificate key usage extension does not permit CRL signing.");
        } else {
            checkKeys.add(validKeys.get(i));
        }
    }
    if (checkKeys.isEmpty() && lastException == null) {
        throw new AnnotatedException("Cannot find a valid issuer certificate.");
    }
    if (checkKeys.isEmpty() && lastException != null) {
        throw lastException;
    }
    return checkKeys;
}

Example 23 with Certificate

use of org.openecard.bouncycastle.asn1.x509.Certificate in project robovm by robovm.

the class RFC3280CertPathUtilities method prepareNextCertK.

protected static void prepareNextCertK(CertPath certPath, int index) throws CertPathValidatorException {
    List certs = certPath.getCertificates();
    X509Certificate cert = (X509Certificate) certs.get(index);
    //
    // (k)
    //
    BasicConstraints bc = null;
    try {
        bc = BasicConstraints.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.BASIC_CONSTRAINTS));
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Basic constraints extension cannot be decoded.", e, certPath, index);
    }
    if (bc != null) {
        if (!(bc.isCA())) {
            throw new CertPathValidatorException("Not a CA certificate");
        }
    } else {
        throw new CertPathValidatorException("Intermediate certificate lacks BasicConstraints");
    }
}

Example 24 with Certificate

use of org.openecard.bouncycastle.asn1.x509.Certificate in project robovm by robovm.

the class RFC3280CertPathUtilities method processCertBC.

protected static void processCertBC(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) 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;
    //
    if (!(CertPathValidatorUtilities.isSelfIssued(cert) && (i < n))) {
        X500Principal principal = CertPathValidatorUtilities.getSubjectPrincipal(cert);
        ASN1InputStream aIn = new ASN1InputStream(principal.getEncoded());
        ASN1Sequence dns;
        try {
            dns = DERSequence.getInstance(aIn.readObject());
        } catch (Exception e) {
            throw new CertPathValidatorException("Exception extracting subject name when checking subtrees.", e, certPath, index);
        }
        try {
            nameConstraintValidator.checkPermittedDN(dns);
            nameConstraintValidator.checkExcludedDN(dns);
        } catch (PKIXNameConstraintValidatorException e) {
            throw new CertPathValidatorException("Subtree check for certificate subject failed.", e, certPath, index);
        }
        GeneralNames altName = null;
        try {
            altName = GeneralNames.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME));
        } catch (Exception e) {
            throw new CertPathValidatorException("Subject alternative name extension could not be decoded.", e, certPath, index);
        }
        Vector emails = new X509Name(dns).getValues(X509Name.EmailAddress);
        for (Enumeration e = emails.elements(); e.hasMoreElements(); ) {
            String email = (String) e.nextElement();
            GeneralName emailAsGeneralName = new GeneralName(GeneralName.rfc822Name, email);
            try {
                nameConstraintValidator.checkPermitted(emailAsGeneralName);
                nameConstraintValidator.checkExcluded(emailAsGeneralName);
            } catch (PKIXNameConstraintValidatorException ex) {
                throw new CertPathValidatorException("Subtree check for certificate subject alternative email failed.", ex, certPath, index);
            }
        }
        if (altName != null) {
            GeneralName[] genNames = null;
            try {
                genNames = altName.getNames();
            } catch (Exception e) {
                throw new CertPathValidatorException("Subject alternative name contents could not be decoded.", e, certPath, index);
            }
            for (int j = 0; j < genNames.length; j++) {
                try {
                    nameConstraintValidator.checkPermitted(genNames[j]);
                    nameConstraintValidator.checkExcluded(genNames[j]);
                } catch (PKIXNameConstraintValidatorException e) {
                    throw new CertPathValidatorException("Subtree check for certificate subject alternative name failed.", e, certPath, index);
                }
            }
        }
    }
}

Example 25 with Certificate

use of org.openecard.bouncycastle.asn1.x509.Certificate in project robovm by robovm.

the class RFC3280CertPathUtilities method processCRLB2.

/**
     * If the complete CRL includes an issuing distribution point (IDP) CRL
     * extension check the following:
     * <p/>
     * (i) If the distribution point name is present in the IDP CRL extension
     * and the distribution field is present in the DP, then verify that one of
     * the names in the IDP matches one of the names in the DP. If the
     * distribution point name is present in the IDP CRL extension and the
     * distribution field is omitted from the DP, then verify that one of the
     * names in the IDP matches one of the names in the cRLIssuer field of the
     * DP.
     * </p>
     * <p/>
     * (ii) If the onlyContainsUserCerts boolean is asserted in the IDP CRL
     * extension, verify that the certificate does not include the basic
     * constraints extension with the cA boolean asserted.
     * </p>
     * <p/>
     * (iii) If the onlyContainsCACerts boolean is asserted in the IDP CRL
     * extension, verify that the certificate includes the basic constraints
     * extension with the cA boolean asserted.
     * </p>
     * <p/>
     * (iv) Verify that the onlyContainsAttributeCerts boolean is not asserted.
     * </p>
     *
     * @param dp   The distribution point.
     * @param cert The certificate.
     * @param crl  The CRL.
     * @throws AnnotatedException if one of the conditions is not met or an error occurs.
     */
protected static void processCRLB2(DistributionPoint dp, Object cert, X509CRL crl) throws AnnotatedException {
    IssuingDistributionPoint idp = null;
    try {
        idp = IssuingDistributionPoint.getInstance(CertPathValidatorUtilities.getExtensionValue(crl, RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT));
    } catch (Exception e) {
        throw new AnnotatedException("Issuing distribution point extension could not be decoded.", e);
    }
    // distribution point name is present
    if (idp != null) {
        if (idp.getDistributionPoint() != null) {
            // make list of names
            DistributionPointName dpName = IssuingDistributionPoint.getInstance(idp).getDistributionPoint();
            List names = new ArrayList();
            if (dpName.getType() == DistributionPointName.FULL_NAME) {
                GeneralName[] genNames = GeneralNames.getInstance(dpName.getName()).getNames();
                for (int j = 0; j < genNames.length; j++) {
                    names.add(genNames[j]);
                }
            }
            if (dpName.getType() == DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER) {
                ASN1EncodableVector vec = new ASN1EncodableVector();
                try {
                    Enumeration e = ASN1Sequence.getInstance(ASN1Sequence.fromByteArray(CertPathValidatorUtilities.getIssuerPrincipal(crl).getEncoded())).getObjects();
                    while (e.hasMoreElements()) {
                        vec.add((ASN1Encodable) e.nextElement());
                    }
                } catch (IOException e) {
                    throw new AnnotatedException("Could not read CRL issuer.", e);
                }
                vec.add(dpName.getName());
                names.add(new GeneralName(X509Name.getInstance(new DERSequence(vec))));
            }
            boolean matches = false;
            // of the names in the DP.
            if (dp.getDistributionPoint() != null) {
                dpName = dp.getDistributionPoint();
                GeneralName[] genNames = null;
                if (dpName.getType() == DistributionPointName.FULL_NAME) {
                    genNames = GeneralNames.getInstance(dpName.getName()).getNames();
                }
                if (dpName.getType() == DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER) {
                    if (dp.getCRLIssuer() != null) {
                        genNames = dp.getCRLIssuer().getNames();
                    } else {
                        genNames = new GeneralName[1];
                        try {
                            genNames[0] = new GeneralName(new X509Name((ASN1Sequence) ASN1Sequence.fromByteArray(CertPathValidatorUtilities.getEncodedIssuerPrincipal(cert).getEncoded())));
                        } catch (IOException e) {
                            throw new AnnotatedException("Could not read certificate issuer.", e);
                        }
                    }
                    for (int j = 0; j < genNames.length; j++) {
                        Enumeration e = ASN1Sequence.getInstance(genNames[j].getName().toASN1Primitive()).getObjects();
                        ASN1EncodableVector vec = new ASN1EncodableVector();
                        while (e.hasMoreElements()) {
                            vec.add((ASN1Encodable) e.nextElement());
                        }
                        vec.add(dpName.getName());
                        genNames[j] = new GeneralName(new X509Name(new DERSequence(vec)));
                    }
                }
                if (genNames != null) {
                    for (int j = 0; j < genNames.length; j++) {
                        if (names.contains(genNames[j])) {
                            matches = true;
                            break;
                        }
                    }
                }
                if (!matches) {
                    throw new AnnotatedException("No match for certificate CRL issuing distribution point name to cRLIssuer CRL distribution point.");
                }
            } else // verify that one of the names in
            // the IDP matches one of the names in the cRLIssuer field of
            // the DP
            {
                if (dp.getCRLIssuer() == null) {
                    throw new AnnotatedException("Either the cRLIssuer or the distributionPoint field must " + "be contained in DistributionPoint.");
                }
                GeneralName[] genNames = dp.getCRLIssuer().getNames();
                for (int j = 0; j < genNames.length; j++) {
                    if (names.contains(genNames[j])) {
                        matches = true;
                        break;
                    }
                }
                if (!matches) {
                    throw new AnnotatedException("No match for certificate CRL issuing distribution point name to cRLIssuer CRL distribution point.");
                }
            }
        }
        BasicConstraints bc = null;
        try {
            bc = BasicConstraints.getInstance(CertPathValidatorUtilities.getExtensionValue((X509Extension) cert, BASIC_CONSTRAINTS));
        } catch (Exception e) {
            throw new AnnotatedException("Basic constraints extension could not be decoded.", e);
        }
        if (cert instanceof X509Certificate) {
            // (b) (2) (ii)
            if (idp.onlyContainsUserCerts() && (bc != null && bc.isCA())) {
                throw new AnnotatedException("CA Cert CRL only contains user certificates.");
            }
            // (b) (2) (iii)
            if (idp.onlyContainsCACerts() && (bc == null || !bc.isCA())) {
                throw new AnnotatedException("End CRL only contains CA certificates.");
            }
        }
        // (b) (2) (iv)
        if (idp.onlyContainsAttributeCerts()) {
            throw new AnnotatedException("onlyContainsAttributeCerts boolean is asserted.");
        }
    }
}