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

Example 86 with Extensions

use of org.bouncycastle.asn1.x509.Extensions 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 87 with Extensions

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

the class V3TBSCertificateGenerator method generateTBSCertificate.

public TBSCertificateStructure generateTBSCertificate() {
    if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (subject == null && !altNamePresentAndCritical) || (subjectPublicKeyInfo == null)) {
        throw new IllegalStateException("not all mandatory fields set in V3 TBScertificate generator");
    }
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(version);
    v.add(serialNumber);
    v.add(signature);
    v.add(issuer);
    //
    // before and after dates
    //
    ASN1EncodableVector validity = new ASN1EncodableVector();
    validity.add(startDate);
    validity.add(endDate);
    v.add(new DERSequence(validity));
    if (subject != null) {
        v.add(subject);
    } else {
        v.add(new DERSequence());
    }
    v.add(subjectPublicKeyInfo);
    if (issuerUniqueID != null) {
        v.add(new DERTaggedObject(false, 1, issuerUniqueID));
    }
    if (subjectUniqueID != null) {
        v.add(new DERTaggedObject(false, 2, subjectUniqueID));
    }
    if (extensions != null) {
        v.add(new DERTaggedObject(3, extensions));
    }
    return new TBSCertificateStructure(new DERSequence(v));
}

Example 88 with Extensions

use of org.bouncycastle.asn1.x509.Extensions 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);
}

Example 89 with Extensions

use of org.bouncycastle.asn1.x509.Extensions in project nhin-d by DirectProject.

the class PKCS11Commands method createCSR.

@Command(name = "CreateCSR", usage = CREATE_CSR)
public void createCSR(String[] args) {
    final String alias = StringArrayUtil.getRequiredValue(args, 0);
    final String commonName = StringArrayUtil.getRequiredValue(args, 1);
    final String subjectAltName = StringArrayUtil.getRequiredValue(args, 2);
    final String keyUsage = StringArrayUtil.getRequiredValue(args, 3);
    // make sure we have a valid keyUsage
    if (!(keyUsage.compareToIgnoreCase("DigitalSignature") == 0 || keyUsage.compareToIgnoreCase("KeyEncipherment") == 0 || keyUsage.compareToIgnoreCase("DualUse") == 0)) {
        System.out.println("Invalid key usage.");
        return;
    }
    final Vector<String> additionalRDNFields = new Vector<String>();
    int cnt = 4;
    String rdnField;
    do {
        rdnField = StringArrayUtil.getOptionalValue(args, cnt++, "");
        if (!StringUtils.isEmpty(rdnField))
            additionalRDNFields.add(rdnField);
    } while (!StringUtils.isEmpty(rdnField));
    try {
        final KeyStore ks = mgr.getKS();
        if (!ks.containsAlias(alias)) {
            System.out.println("Entry with key name " + alias + " does not exist.");
            return;
        }
        final X509Certificate storedCert = (X509Certificate) ks.getCertificate(alias);
        if (storedCert == null) {
            System.out.println("Key name " + alias + " does not contain a certificate that can be exported.  This key may not be an RSA key pair.");
            return;
        }
        final PrivateKey privKey = (PrivateKey) ks.getKey(alias, "".toCharArray());
        if (privKey == null) {
            System.out.println("Failed to object private key.  This key may not be an RSA key pair.");
            return;
        }
        // create the CSR
        //  create the extensions that we want
        final X509ExtensionsGenerator extsGen = new X509ExtensionsGenerator();
        // Key Usage
        int usage;
        if (keyUsage.compareToIgnoreCase("KeyEncipherment") == 0)
            usage = KeyUsage.keyEncipherment;
        else if (keyUsage.compareToIgnoreCase("DigitalSignature") == 0)
            usage = KeyUsage.digitalSignature;
        else
            usage = KeyUsage.keyEncipherment | KeyUsage.digitalSignature;
        extsGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(usage));
        // Subject Alt Name
        int nameType = subjectAltName.contains("@") ? GeneralName.rfc822Name : GeneralName.dNSName;
        final GeneralNames altName = new GeneralNames(new GeneralName(nameType, subjectAltName));
        extsGen.addExtension(X509Extensions.SubjectAlternativeName, false, altName);
        // Extended Key Usage
        final Vector<KeyPurposeId> purposes = new Vector<KeyPurposeId>();
        purposes.add(KeyPurposeId.id_kp_emailProtection);
        extsGen.addExtension(X509Extensions.ExtendedKeyUsage, false, new ExtendedKeyUsage(purposes));
        // Basic constraint
        final BasicConstraints bc = new BasicConstraints(false);
        extsGen.addExtension(X509Extensions.BasicConstraints, true, bc);
        // create the extension requests
        final X509Extensions exts = extsGen.generate();
        final ASN1EncodableVector attributes = new ASN1EncodableVector();
        final Attribute attribute = new Attribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, new DERSet(exts.toASN1Object()));
        attributes.add(attribute);
        final DERSet requestedAttributes = new DERSet(attributes);
        // create the DN
        final StringBuilder dnBuilder = new StringBuilder("CN=").append(commonName);
        for (String field : additionalRDNFields) dnBuilder.append(",").append(field);
        final X500Principal subjectPrin = new X500Principal(dnBuilder.toString());
        final X509Principal xName = new X509Principal(true, subjectPrin.getName());
        // create the CSR
        final PKCS10CertificationRequest request = new PKCS10CertificationRequest("SHA256WITHRSA", xName, storedCert.getPublicKey(), requestedAttributes, privKey, ks.getProvider().getName());
        final byte[] encodedCSR = request.getEncoded();
        final String csrString = "-----BEGIN CERTIFICATE REQUEST-----\r\n" + Base64.encodeBase64String(encodedCSR) + "-----END CERTIFICATE REQUEST-----";
        final File csrFile = new File(alias + "-CSR.pem");
        FileUtils.writeStringToFile(csrFile, csrString);
        System.out.println("CSR written to " + csrFile.getAbsolutePath());
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Failed to create CSR : " + e.getMessage());
    }
}

Example 90 with Extensions

use of org.bouncycastle.asn1.x509.Extensions in project nhin-d by DirectProject.

the class TrustChainValidator method getIntermediateCertsByAIA.

/**
     * Retrieves intermediate certificate using the AIA extension.
     * @param certificate The certificate to search for AIA extensions.
     * @return Returns a collection of intermediate certs using the AIA extension.  If the AIA extension does not exists
     * or the certificate cannot be downloaded from the URL, then an empty list is returned.
     */
protected Collection<X509Certificate> getIntermediateCertsByAIA(X509Certificate certificate) {
    final Collection<X509Certificate> retVal = new ArrayList<X509Certificate>();
    // check to see if there are extensions
    final AuthorityInfoAccessExtentionField aiaField = new AuthorityInfoAccessExtentionField(false);
    try {
        // we can get all names from the AuthorityInfoAccessExtentionField objects
        aiaField.injectReferenceValue(certificate);
        final Collection<String> urlPairs = aiaField.getPolicyValue().getPolicyValue();
        // look through all of the values (if they exist) for caIssuers
        for (String urlPair : urlPairs) {
            if (urlPair.startsWith(CA_ISSUER_CHECK_STRING)) {
                // the url pair is in the format of caIssuer:URL... need to break it 
                // apart to get the url
                final String url = urlPair.substring(CA_ISSUER_CHECK_STRING.length());
                // now pull the certificate from the URL
                try {
                    final Collection<X509Certificate> intermCerts = downloadCertsFromAIA(url);
                    retVal.addAll(intermCerts);
                } catch (NHINDException e) {
                    LOGGER.warn("Intermediate cert cannot be resolved from AIA extension.", e);
                }
            }
        }
    }///CLOVER:OFF
     catch (PolicyProcessException e) {
        LOGGER.warn("Intermediate cert cannot be resolved from AIA extension.", e);
    }
    return retVal;
}