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

Example 6 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project zaproxy by zaproxy.

the class SslCertificateServiceImpl method createCertForHost.

@Override
public KeyStore createCertForHost(String hostname) throws NoSuchAlgorithmException, InvalidKeyException, CertificateException, NoSuchProviderException, SignatureException, KeyStoreException, IOException, UnrecoverableKeyException {
    if (hostname == null) {
        throw new IllegalArgumentException("Error, 'hostname' is not allowed to be null!");
    }
    if (this.caCert == null || this.caPrivKey == null || this.caPubKey == null) {
        throw new MissingRootCertificateException(this.getClass() + " wasn't initialized! Got to options 'Dynamic SSL Certs' and create one.");
    }
    final KeyPair mykp = this.createKeyPair();
    final PrivateKey privKey = mykp.getPrivate();
    final PublicKey pubKey = mykp.getPublic();
    X500NameBuilder namebld = new X500NameBuilder(BCStyle.INSTANCE);
    namebld.addRDN(BCStyle.CN, hostname);
    namebld.addRDN(BCStyle.OU, "Zed Attack Proxy Project");
    namebld.addRDN(BCStyle.O, "OWASP");
    namebld.addRDN(BCStyle.C, "xx");
    namebld.addRDN(BCStyle.EmailAddress, "owasp-zed-attack-proxy@lists.owasp.org");
    X509v3CertificateBuilder certGen = new JcaX509v3CertificateBuilder(new X509CertificateHolder(caCert.getEncoded()).getSubject(), BigInteger.valueOf(serial.getAndIncrement()), new Date(System.currentTimeMillis() - 1000L * 60 * 60 * 24 * 30), new Date(System.currentTimeMillis() + 100 * (1000L * 60 * 60 * 24 * 30)), namebld.build(), pubKey);
    certGen.addExtension(Extension.subjectKeyIdentifier, false, new SubjectKeyIdentifier(pubKey.getEncoded()));
    certGen.addExtension(Extension.basicConstraints, false, new BasicConstraints(false));
    certGen.addExtension(Extension.subjectAlternativeName, false, new GeneralNames(new GeneralName(GeneralName.dNSName, hostname)));
    ContentSigner sigGen;
    try {
        sigGen = new JcaContentSignerBuilder("SHA256WithRSAEncryption").setProvider("BC").build(caPrivKey);
    } catch (OperatorCreationException e) {
        throw new CertificateException(e);
    }
    final X509Certificate cert = new JcaX509CertificateConverter().setProvider("BC").getCertificate(certGen.build(sigGen));
    cert.checkValidity(new Date());
    cert.verify(caPubKey);
    final KeyStore ks = KeyStore.getInstance("JKS");
    ks.load(null, null);
    final Certificate[] chain = new Certificate[2];
    chain[1] = this.caCert;
    chain[0] = cert;
    ks.setKeyEntry(ZAPROXY_JKS_ALIAS, privKey, PASSPHRASE, chain);
    return ks;
}

Example 7 with BasicConstraints

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

the class X509CertificateObject method toString.

public String toString() {
    StringBuffer buf = new StringBuffer();
    String nl = System.getProperty("line.separator");
    buf.append("  [0]         Version: ").append(this.getVersion()).append(nl);
    buf.append("         SerialNumber: ").append(this.getSerialNumber()).append(nl);
    buf.append("             IssuerDN: ").append(this.getIssuerDN()).append(nl);
    buf.append("           Start Date: ").append(this.getNotBefore()).append(nl);
    buf.append("           Final Date: ").append(this.getNotAfter()).append(nl);
    buf.append("            SubjectDN: ").append(this.getSubjectDN()).append(nl);
    buf.append("           Public Key: ").append(this.getPublicKey()).append(nl);
    buf.append("  Signature Algorithm: ").append(this.getSigAlgName()).append(nl);
    byte[] sig = this.getSignature();
    buf.append("            Signature: ").append(new String(Hex.encode(sig, 0, 20))).append(nl);
    for (int i = 20; i < sig.length; i += 20) {
        if (i < sig.length - 20) {
            buf.append("                       ").append(new String(Hex.encode(sig, i, 20))).append(nl);
        } else {
            buf.append("                       ").append(new String(Hex.encode(sig, i, sig.length - i))).append(nl);
        }
    }
    X509Extensions extensions = c.getTBSCertificate().getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        if (e.hasMoreElements()) {
            buf.append("       Extensions: \n");
        }
        while (e.hasMoreElements()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
            X509Extension ext = extensions.getExtension(oid);
            if (ext.getValue() != null) {
                byte[] octs = ext.getValue().getOctets();
                ASN1InputStream dIn = new ASN1InputStream(octs);
                buf.append("                       critical(").append(ext.isCritical()).append(") ");
                try {
                    if (oid.equals(X509Extensions.BasicConstraints)) {
                        buf.append(new BasicConstraints((ASN1Sequence) dIn.readObject())).append(nl);
                    } else if (oid.equals(X509Extensions.KeyUsage)) {
                        buf.append(new KeyUsage((DERBitString) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.netscapeCertType)) {
                        buf.append(new NetscapeCertType((DERBitString) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.netscapeRevocationURL)) {
                        buf.append(new NetscapeRevocationURL((DERIA5String) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.verisignCzagExtension)) {
                        buf.append(new VerisignCzagExtension((DERIA5String) dIn.readObject())).append(nl);
                    } else {
                        buf.append(oid.getId());
                        buf.append(" value = ").append(ASN1Dump.dumpAsString(dIn.readObject())).append(nl);
                    //buf.append(" value = ").append("*****").append(nl);
                    }
                } catch (Exception ex) {
                    buf.append(oid.getId());
                    //     buf.append(" value = ").append(new String(Hex.encode(ext.getValue().getOctets()))).append(nl);
                    buf.append(" value = ").append("*****").append(nl);
                }
            } else {
                buf.append(nl);
            }
        }
    }
    return buf.toString();
}

Example 8 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project felix by apache.

the class CertificateUtil method createSelfSignedCert.

private static X509Certificate createSelfSignedCert(String commonName, KeyPair keypair) throws Exception {
    PublicKey publicKey = keypair.getPublic();
    String keyAlg = DPSigner.getSignatureAlgorithm(publicKey);
    X500Name issuer = new X500Name(commonName);
    BigInteger serial = BigInteger.probablePrime(16, new Random());
    Date notBefore = new Date(System.currentTimeMillis() - 1000);
    Date notAfter = new Date(notBefore.getTime() + 6000);
    SubjectPublicKeyInfo pubKeyInfo;
    try (ASN1InputStream is = new ASN1InputStream(publicKey.getEncoded())) {
        pubKeyInfo = SubjectPublicKeyInfo.getInstance(is.readObject());
    }
    X509v3CertificateBuilder builder = new X509v3CertificateBuilder(issuer, serial, notBefore, notAfter, issuer, pubKeyInfo);
    builder.addExtension(new Extension(Extension.basicConstraints, true, new DEROctetString(new BasicConstraints(false))));
    X509CertificateHolder certHolder = builder.build(new JcaContentSignerBuilder(keyAlg).build(keypair.getPrivate()));
    return new JcaX509CertificateConverter().getCertificate(certHolder);
}

Example 9 with BasicConstraints

use of 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 10 with BasicConstraints

use of org.bouncycastle.asn1.x509.BasicConstraints in project nifi by apache.

the class CertificateUtils method generateSelfSignedX509Certificate.

/**
 * Generates a self-signed {@link X509Certificate} suitable for use as a Certificate Authority.
 *
 * @param keyPair                 the {@link KeyPair} to generate the {@link X509Certificate} for
 * @param dn                      the distinguished name to user for the {@link X509Certificate}
 * @param signingAlgorithm        the signing algorithm to use for the {@link X509Certificate}
 * @param certificateDurationDays the duration in days for which the {@link X509Certificate} should be valid
 * @return a self-signed {@link X509Certificate} suitable for use as a Certificate Authority
 * @throws CertificateException      if there is an generating the new certificate
 */
public static X509Certificate generateSelfSignedX509Certificate(KeyPair keyPair, String dn, String signingAlgorithm, int certificateDurationDays) throws CertificateException {
    try {
        ContentSigner sigGen = new JcaContentSignerBuilder(signingAlgorithm).setProvider(BouncyCastleProvider.PROVIDER_NAME).build(keyPair.getPrivate());
        SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(keyPair.getPublic().getEncoded());
        Date startDate = new Date();
        Date endDate = new Date(startDate.getTime() + TimeUnit.DAYS.toMillis(certificateDurationDays));
        X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(reverseX500Name(new X500Name(dn)), getUniqueSerialNumber(), startDate, endDate, reverseX500Name(new X500Name(dn)), subPubKeyInfo);
        // Set certificate extensions
        // (1) digitalSignature extension
        certBuilder.addExtension(Extension.keyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment | KeyUsage.dataEncipherment | KeyUsage.keyAgreement | KeyUsage.nonRepudiation | KeyUsage.cRLSign | KeyUsage.keyCertSign));
        certBuilder.addExtension(Extension.basicConstraints, false, new BasicConstraints(true));
        certBuilder.addExtension(Extension.subjectKeyIdentifier, false, new JcaX509ExtensionUtils().createSubjectKeyIdentifier(keyPair.getPublic()));
        certBuilder.addExtension(Extension.authorityKeyIdentifier, false, new JcaX509ExtensionUtils().createAuthorityKeyIdentifier(keyPair.getPublic()));
        // (2) extendedKeyUsage extension
        certBuilder.addExtension(Extension.extendedKeyUsage, false, new ExtendedKeyUsage(new KeyPurposeId[] { KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth }));
        // Sign the certificate
        X509CertificateHolder certificateHolder = certBuilder.build(sigGen);
        return new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME).getCertificate(certificateHolder);
    } catch (CertIOException | NoSuchAlgorithmException | OperatorCreationException e) {
        throw new CertificateException(e);
    }
}