Examples with BasicConstraints com.android.org.bouncycastle.asn1.x509.BasicConstraints used on opensource projects

Example 11 with BasicConstraints

use of com.android.org.bouncycastle.asn1.x509.BasicConstraints in project android by nextcloud.

the class CsrHelper method generateCSR.

/**
 * Create the certificate signing request (CSR) from private and public keys
 *
 * @param keyPair the KeyPair with private and public keys
 * @param userId userId of CSR owner
 * @return PKCS10CertificationRequest with the certificate signing request (CSR) data
 * @throws IOException thrown if key cannot be created
 * @throws OperatorCreationException thrown if contentSigner cannot be build
 */
private static PKCS10CertificationRequest generateCSR(KeyPair keyPair, String userId) throws IOException, OperatorCreationException {
    String principal = "CN=" + userId;
    AsymmetricKeyParameter privateKey = PrivateKeyFactory.createKey(keyPair.getPrivate().getEncoded());
    AlgorithmIdentifier signatureAlgorithm = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA1WITHRSA");
    AlgorithmIdentifier digestAlgorithm = new DefaultDigestAlgorithmIdentifierFinder().find("SHA-1");
    ContentSigner signer = new BcRSAContentSignerBuilder(signatureAlgorithm, digestAlgorithm).build(privateKey);
    PKCS10CertificationRequestBuilder csrBuilder = new JcaPKCS10CertificationRequestBuilder(new X500Name(principal), keyPair.getPublic());
    ExtensionsGenerator extensionsGenerator = new ExtensionsGenerator();
    extensionsGenerator.addExtension(Extension.basicConstraints, true, new BasicConstraints(true));
    csrBuilder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest, extensionsGenerator.generate());
    return csrBuilder.build(signer);
}

Example 12 with BasicConstraints

use of com.android.org.bouncycastle.asn1.x509.BasicConstraints in project keycloak by keycloak.

the class CertificateUtils method generateV3Certificate.

/**
 * Generates version 3 {@link java.security.cert.X509Certificate}.
 *
 * @param keyPair the key pair
 * @param caPrivateKey the CA private key
 * @param caCert the CA certificate
 * @param subject the subject name
 *
 * @return the x509 certificate
 *
 * @throws Exception the exception
 */
public static X509Certificate generateV3Certificate(KeyPair keyPair, PrivateKey caPrivateKey, X509Certificate caCert, String subject) throws Exception {
    try {
        X500Name subjectDN = new X500Name("CN=" + subject);
        // Serial Number
        SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
        BigInteger serialNumber = BigInteger.valueOf(Math.abs(random.nextInt()));
        // Validity
        Date notBefore = new Date(System.currentTimeMillis());
        Date notAfter = new Date(System.currentTimeMillis() + (((1000L * 60 * 60 * 24 * 30)) * 12) * 3);
        // SubjectPublicKeyInfo
        SubjectPublicKeyInfo subjPubKeyInfo = SubjectPublicKeyInfo.getInstance(keyPair.getPublic().getEncoded());
        X509v3CertificateBuilder certGen = new X509v3CertificateBuilder(new X500Name(caCert.getSubjectDN().getName()), serialNumber, notBefore, notAfter, subjectDN, subjPubKeyInfo);
        DigestCalculator digCalc = new BcDigestCalculatorProvider().get(new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1));
        X509ExtensionUtils x509ExtensionUtils = new X509ExtensionUtils(digCalc);
        // Subject Key Identifier
        certGen.addExtension(Extension.subjectKeyIdentifier, false, x509ExtensionUtils.createSubjectKeyIdentifier(subjPubKeyInfo));
        // Authority Key Identifier
        certGen.addExtension(Extension.authorityKeyIdentifier, false, x509ExtensionUtils.createAuthorityKeyIdentifier(subjPubKeyInfo));
        // Key Usage
        certGen.addExtension(Extension.keyUsage, false, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyCertSign | KeyUsage.cRLSign));
        // Extended Key Usage
        KeyPurposeId[] EKU = new KeyPurposeId[2];
        EKU[0] = KeyPurposeId.id_kp_emailProtection;
        EKU[1] = KeyPurposeId.id_kp_serverAuth;
        certGen.addExtension(Extension.extendedKeyUsage, false, new ExtendedKeyUsage(EKU));
        // Basic Constraints
        certGen.addExtension(Extension.basicConstraints, true, new BasicConstraints(0));
        // Content Signer
        ContentSigner sigGen = new JcaContentSignerBuilder("SHA1WithRSAEncryption").setProvider("BC").build(caPrivateKey);
        // Certificate
        return new JcaX509CertificateConverter().setProvider("BC").getCertificate(certGen.build(sigGen));
    } catch (Exception e) {
        throw new RuntimeException("Error creating X509v3Certificate.", e);
    }
}

Example 13 with BasicConstraints

use of com.android.org.bouncycastle.asn1.x509.BasicConstraints in project keystore-explorer by kaikramer.

the class X509Ext method getBasicConstraintsStringValue.

private String getBasicConstraintsStringValue(byte[] value) throws IOException {
    // @formatter:off
    /*
		 * BasicConstraints ::= ASN1Sequence { cA ASN1Boolean DEFAULT FALSE,
		 * pathLenConstraint ASN1Integer (0..MAX) OPTIONAL }
		 */
    // @formatter:on
    /*
		 * Getting the DEFAULT returns a false ASN1Boolean when no value present
		 * which saves the bother of a null check
		 */
    StringBuilder sb = new StringBuilder();
    BasicConstraints basicConstraints = BasicConstraints.getInstance(value);
    boolean ca = basicConstraints.isCA();
    BigInteger pathLenConstraint = basicConstraints.getPathLenConstraint();
    if (ca) {
        sb.append(res.getString("SubjectIsCa"));
        sb.append(NEWLINE);
    } else {
        sb.append(res.getString("SubjectIsNotCa"));
        sb.append(NEWLINE);
    }
    if (pathLenConstraint != null) {
        sb.append(MessageFormat.format(res.getString("PathLengthConstraint"), pathLenConstraint.intValue()));
        sb.append(NEWLINE);
    } else {
        sb.append(res.getString("NoPathLengthConstraint"));
        sb.append(NEWLINE);
    }
    return sb.toString();
}

Example 14 with BasicConstraints

use of com.android.org.bouncycastle.asn1.x509.BasicConstraints in project xipki by xipki.

the class IdentifiedX509Certprofile method getExtensions.

/**
 * TODO.
 * @param requestedSubject
 *          Subject requested subject. Must not be {@code null}.
 * @param grantedSubject
 *          Granted subject. Must not be {@code null}.
 * @param requestedExtensions
 *          Extensions requested by the requestor. Could be {@code null}.
 * @param publicKeyInfo
 *          Subject public key. Must not be {@code null}.
 * @param publicCaInfo
 *          CA information. Must not be {@code null}.
 * @param crlSignerCert
 *          CRL signer certificate. Could be {@code null}.
 * @param notBefore
 *          NotBefore. Must not be {@code null}.
 * @param notAfter
 *          NotAfter. Must not be {@code null}.
 * @param caInfo
 *          CA information.
 * @return the extensions of the certificate to be issued.
 */
public ExtensionValues getExtensions(X500Name requestedSubject, X500Name grantedSubject, Extensions requestedExtensions, SubjectPublicKeyInfo publicKeyInfo, PublicCaInfo publicCaInfo, X509Certificate crlSignerCert, Date notBefore, Date notAfter) throws CertprofileException, BadCertTemplateException {
    ParamUtil.requireNonNull("publicKeyInfo", publicKeyInfo);
    ExtensionValues values = new ExtensionValues();
    Map<ASN1ObjectIdentifier, ExtensionControl> controls = new HashMap<>(certprofile.getExtensionControls());
    Set<ASN1ObjectIdentifier> neededExtTypes = new HashSet<>();
    Set<ASN1ObjectIdentifier> wantedExtTypes = new HashSet<>();
    if (requestedExtensions != null) {
        Extension reqExtension = requestedExtensions.getExtension(ObjectIdentifiers.id_xipki_ext_cmpRequestExtensions);
        if (reqExtension != null) {
            ExtensionExistence ee = ExtensionExistence.getInstance(reqExtension.getParsedValue());
            neededExtTypes.addAll(ee.getNeedExtensions());
            wantedExtTypes.addAll(ee.getWantExtensions());
        }
        for (ASN1ObjectIdentifier oid : neededExtTypes) {
            if (wantedExtTypes.contains(oid)) {
                wantedExtTypes.remove(oid);
            }
            if (!controls.containsKey(oid)) {
                throw new BadCertTemplateException("could not add needed extension " + oid.getId());
            }
        }
    }
    // SubjectKeyIdentifier
    ASN1ObjectIdentifier extType = Extension.subjectKeyIdentifier;
    ExtensionControl extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        byte[] encodedSpki = publicKeyInfo.getPublicKeyData().getBytes();
        byte[] skiValue = HashAlgo.SHA1.hash(encodedSpki);
        SubjectKeyIdentifier value = new SubjectKeyIdentifier(skiValue);
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // Authority key identifier
    extType = Extension.authorityKeyIdentifier;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        byte[] ikiValue = publicCaInfo.getSubjectKeyIdentifer();
        AuthorityKeyIdentifier value = null;
        if (ikiValue != null) {
            if (certprofile.includesIssuerAndSerialInAki()) {
                GeneralNames x509CaSubject = new GeneralNames(new GeneralName(publicCaInfo.getX500Subject()));
                value = new AuthorityKeyIdentifier(ikiValue, x509CaSubject, publicCaInfo.getSerialNumber());
            } else {
                value = new AuthorityKeyIdentifier(ikiValue);
            }
        }
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // IssuerAltName
    extType = Extension.issuerAlternativeName;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        GeneralNames value = publicCaInfo.getSubjectAltName();
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // AuthorityInfoAccess
    extType = Extension.authorityInfoAccess;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        AuthorityInfoAccessControl aiaControl = certprofile.getAiaControl();
        List<String> caIssuers = null;
        if (aiaControl == null || aiaControl.isIncludesCaIssuers()) {
            caIssuers = publicCaInfo.getCaCertUris();
        }
        List<String> ocspUris = null;
        if (aiaControl == null || aiaControl.isIncludesOcsp()) {
            ocspUris = publicCaInfo.getOcspUris();
        }
        if (CollectionUtil.isNonEmpty(caIssuers) || CollectionUtil.isNonEmpty(ocspUris)) {
            AuthorityInformationAccess value = CaUtil.createAuthorityInformationAccess(caIssuers, ocspUris);
            addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
        }
    }
    if (controls.containsKey(Extension.cRLDistributionPoints) || controls.containsKey(Extension.freshestCRL)) {
        X500Name crlSignerSubject = (crlSignerCert == null) ? null : X500Name.getInstance(crlSignerCert.getSubjectX500Principal().getEncoded());
        X500Name x500CaPrincipal = publicCaInfo.getX500Subject();
        // CRLDistributionPoints
        extType = Extension.cRLDistributionPoints;
        extControl = controls.remove(extType);
        if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
            if (CollectionUtil.isNonEmpty(publicCaInfo.getCrlUris())) {
                CRLDistPoint value = CaUtil.createCrlDistributionPoints(publicCaInfo.getCrlUris(), x500CaPrincipal, crlSignerSubject);
                addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
            }
        }
        // FreshestCRL
        extType = Extension.freshestCRL;
        extControl = controls.remove(extType);
        if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
            if (CollectionUtil.isNonEmpty(publicCaInfo.getDeltaCrlUris())) {
                CRLDistPoint value = CaUtil.createCrlDistributionPoints(publicCaInfo.getDeltaCrlUris(), x500CaPrincipal, crlSignerSubject);
                addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
            }
        }
    }
    // BasicConstraints
    extType = Extension.basicConstraints;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        BasicConstraints value = CaUtil.createBasicConstraints(certprofile.getCertLevel(), certprofile.getPathLenBasicConstraint());
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // KeyUsage
    extType = Extension.keyUsage;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        Set<KeyUsage> usages = new HashSet<>();
        Set<KeyUsageControl> usageOccs = certprofile.getKeyUsage();
        for (KeyUsageControl k : usageOccs) {
            if (k.isRequired()) {
                usages.add(k.getKeyUsage());
            }
        }
        // the optional KeyUsage will only be set if requested explicitly
        if (requestedExtensions != null && extControl.isRequest()) {
            addRequestedKeyusage(usages, requestedExtensions, usageOccs);
        }
        org.bouncycastle.asn1.x509.KeyUsage value = X509Util.createKeyUsage(usages);
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // ExtendedKeyUsage
    extType = Extension.extendedKeyUsage;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        List<ASN1ObjectIdentifier> usages = new LinkedList<>();
        Set<ExtKeyUsageControl> usageOccs = certprofile.getExtendedKeyUsages();
        for (ExtKeyUsageControl k : usageOccs) {
            if (k.isRequired()) {
                usages.add(k.getExtKeyUsage());
            }
        }
        // the optional ExtKeyUsage will only be set if requested explicitly
        if (requestedExtensions != null && extControl.isRequest()) {
            addRequestedExtKeyusage(usages, requestedExtensions, usageOccs);
        }
        if (extControl.isCritical() && usages.contains(ObjectIdentifiers.id_anyExtendedKeyUsage)) {
            extControl = new ExtensionControl(false, extControl.isRequired(), extControl.isRequest());
        }
        ExtendedKeyUsage value = X509Util.createExtendedUsage(usages);
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // ocsp-nocheck
    extType = ObjectIdentifiers.id_extension_pkix_ocsp_nocheck;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        // the extension ocsp-nocheck will only be set if requested explicitly
        DERNull value = DERNull.INSTANCE;
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // SubjectInfoAccess
    extType = Extension.subjectInfoAccess;
    extControl = controls.remove(extType);
    if (extControl != null && addMe(extType, extControl, neededExtTypes, wantedExtTypes)) {
        ASN1Sequence value = null;
        if (requestedExtensions != null && extControl.isRequest()) {
            value = createSubjectInfoAccess(requestedExtensions, certprofile.getSubjectInfoAccessModes());
        }
        addExtension(values, extType, value, extControl, neededExtTypes, wantedExtTypes);
    }
    // remove extensions that are not required frrom the list
    List<ASN1ObjectIdentifier> listToRm = null;
    for (ASN1ObjectIdentifier extnType : controls.keySet()) {
        ExtensionControl ctrl = controls.get(extnType);
        if (ctrl.isRequired()) {
            continue;
        }
        if (neededExtTypes.contains(extnType) || wantedExtTypes.contains(extnType)) {
            continue;
        }
        if (listToRm == null) {
            listToRm = new LinkedList<>();
        }
        listToRm.add(extnType);
    }
    if (listToRm != null) {
        for (ASN1ObjectIdentifier extnType : listToRm) {
            controls.remove(extnType);
        }
    }
    ExtensionValues subvalues = certprofile.getExtensions(Collections.unmodifiableMap(controls), requestedSubject, grantedSubject, requestedExtensions, notBefore, notAfter, publicCaInfo);
    Set<ASN1ObjectIdentifier> extTypes = new HashSet<>(controls.keySet());
    for (ASN1ObjectIdentifier type : extTypes) {
        extControl = controls.remove(type);
        boolean addMe = addMe(type, extControl, neededExtTypes, wantedExtTypes);
        if (addMe) {
            ExtensionValue value = null;
            if (requestedExtensions != null && extControl.isRequest()) {
                Extension reqExt = requestedExtensions.getExtension(type);
                if (reqExt != null) {
                    value = new ExtensionValue(reqExt.isCritical(), reqExt.getParsedValue());
                }
            }
            if (value == null) {
                value = subvalues.getExtensionValue(type);
            }
            addExtension(values, type, value, extControl, neededExtTypes, wantedExtTypes);
        }
    }
    Set<ASN1ObjectIdentifier> unprocessedExtTypes = new HashSet<>();
    for (ASN1ObjectIdentifier type : controls.keySet()) {
        if (controls.get(type).isRequired()) {
            unprocessedExtTypes.add(type);
        }
    }
    if (CollectionUtil.isNonEmpty(unprocessedExtTypes)) {
        throw new CertprofileException("could not add required extensions " + toString(unprocessedExtTypes));
    }
    if (CollectionUtil.isNonEmpty(neededExtTypes)) {
        throw new BadCertTemplateException("could not add requested extensions " + toString(neededExtTypes));
    }
    return values;
}

Example 15 with BasicConstraints

use of com.android.org.bouncycastle.asn1.x509.BasicConstraints in project xipki by xipki.

the class CaEmulator method generateCert.

public Certificate generateCert(SubjectPublicKeyInfo pubKeyInfo, X500Name subjectDn, Date notBefore) throws Exception {
    ScepUtil.requireNonNull("pubKeyInfo", pubKeyInfo);
    ScepUtil.requireNonNull("subjectDn", subjectDn);
    ScepUtil.requireNonNull("notBefore", notBefore);
    Date notAfter = new Date(notBefore.getTime() + 730 * DAY_IN_MS);
    BigInteger tmpSerialNumber = BigInteger.valueOf(serialNumber.getAndAdd(1));
    X509v3CertificateBuilder certGenerator = new X509v3CertificateBuilder(caSubject, tmpSerialNumber, notBefore, notAfter, subjectDn, pubKeyInfo);
    X509KeyUsage ku = new X509KeyUsage(X509KeyUsage.digitalSignature | X509KeyUsage.dataEncipherment | X509KeyUsage.keyAgreement | X509KeyUsage.keyEncipherment);
    certGenerator.addExtension(Extension.keyUsage, true, ku);
    BasicConstraints bc = new BasicConstraints(false);
    certGenerator.addExtension(Extension.basicConstraints, true, bc);
    String signatureAlgorithm = ScepUtil.getSignatureAlgorithm(caKey, ScepHashAlgo.SHA256);
    ContentSigner contentSigner = new JcaContentSignerBuilder(signatureAlgorithm).build(caKey);
    Certificate asn1Cert = certGenerator.build(contentSigner).toASN1Structure();
    serialCertMap.put(tmpSerialNumber, asn1Cert);
    reqSubjectCertMap.put(subjectDn, asn1Cert);
    return asn1Cert;
}