Java Code Examples for org.bouncycastle.pkcs.PKCS10CertificationRequest#getSubject()

@Test
public void testGenerateInstanceRefreshRequestSubDomain() {

    File privkey = new File("./src/test/resources/unit_test_private_k0.pem");
    PrivateKey privateKey = Crypto.loadPrivateKey(privkey);

    InstanceRefreshRequest req = ZTSClient.generateInstanceRefreshRequest("coretech.system",
            "test", privateKey, "aws", 3600);
    assertNotNull(req);

    PKCS10CertificationRequest certReq = Crypto.getPKCS10CertRequest(req.getCsr());
    assertEquals("coretech.system.test", Crypto.extractX509CSRCommonName(certReq));

    X500Name x500name = certReq.getSubject();
    RDN cnRdn = x500name.getRDNs(BCStyle.CN)[0];
    assertEquals("coretech.system.test", IETFUtils.valueToString(cnRdn.getFirst().getValue()));
    assertEquals("test.coretech-system.aws.athenz.cloud", Crypto.extractX509CSRDnsNames(certReq).get(0));
}
 

public static String extractX509CSRSubjectField(PKCS10CertificationRequest certReq, ASN1ObjectIdentifier id) {

        X500Name x500name = certReq.getSubject();
        if (x500name == null) {
            return null;
        }
        RDN[] rdns = x500name.getRDNs(id);

        // we're only supporting a single field in Athenz certificates so
        // any other multiple value will be considered invalid

        if (rdns == null || rdns.length == 0) {
            return null;
        }

        if (rdns.length != 1) {
            throw new CryptoException("CSR Subject contains multiple values for the same field.");
        }

        return IETFUtils.valueToString(rdns[0].getFirst().getValue());
    }
 

/**
 * 创建一个自签名的证书
 *
 * @param publicKey
 * @param privateKey
 * @param userDN
 * @param notBefore
 * @param notAfter
 * @param serialNumber
 * @param signAlg
 * @return
 * @throws CertException
 */
public static X509Certificate makeUserSelfSignCert(PublicKey publicKey, PrivateKey privateKey, String userDN,
                                                   Date notBefore, Date notAfter, BigInteger serialNumber, String signAlg) throws CertException {
    try {
        if (null == signAlg) {
            throw new CertException(signAlg + " can't be null");
        }
        X500Name issuer = new X500Name(userDN);
        //1. 创建签名
        ContentSigner signer = new JcaContentSignerBuilder(signAlg)
                .setProvider(BouncyCastleProvider.PROVIDER_NAME).build(privateKey);
        //2. 创建证书请求
        PKCS10CertificationRequestBuilder pkcs10CertificationRequestBuilder = new JcaPKCS10CertificationRequestBuilder(issuer, publicKey);
        PKCS10CertificationRequest pkcs10CertificationRequest = pkcs10CertificationRequestBuilder.build(signer);

        //3. 创建证书
        //SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(publicKey.getEncoded());
        X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(issuer, serialNumber,
                notBefore, notAfter, pkcs10CertificationRequest.getSubject(), pkcs10CertificationRequest.getSubjectPublicKeyInfo());

        //添加扩展信息 见 X509CertExtensions
        X509CertExtensions.buildAllExtensions(certBuilder, publicKey, publicKey);
        X509CertificateHolder holder = certBuilder.build(signer);
        return new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME)
                .getCertificate(holder);

    } catch (Exception e) {
        throw new CertException("makeUserSelfSignCert failed", e);
    }
}
 

/**
 * 创建ca私钥签名证书
 *
 * @param publicKey
 * @param privateKey
 * @param issuerDN
 * @param userDN
 * @param notBefore
 * @param notAfter
 * @param serialNumber
 * @param signAlg
 * @return
 * @throws CertException
 */
public static X509Certificate makeUserCert(PublicKey publicKey, PublicKey caPublicKey, PrivateKey caPrivateKey, String issuerDN,
                                           String userDN, Date notBefore, Date notAfter, BigInteger serialNumber, String signAlg)
        throws CertException {
    try {
        if (null == signAlg) {
            throw new CertException(signAlg + " can't be null");
        }

        X500Name issuer = new X500Name(issuerDN);
        //1. 创建签名
        ContentSigner signer = new JcaContentSignerBuilder(signAlg)
                .setProvider(BouncyCastleProvider.PROVIDER_NAME).build(caPrivateKey);
        //2. 创建证书请求
        PKCS10CertificationRequestBuilder pkcs10CertificationRequestBuilder = new JcaPKCS10CertificationRequestBuilder(new X500Name(userDN), publicKey);
        PKCS10CertificationRequest pkcs10CertificationRequest = pkcs10CertificationRequestBuilder.build(signer);
        //3. 创建证书
        //SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(publicKey.getEncoded());

        SubjectPublicKeyInfo subPubKeyInfo = pkcs10CertificationRequest.getSubjectPublicKeyInfo();
        X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(issuer, serialNumber,
                notBefore, notAfter, pkcs10CertificationRequest.getSubject(), subPubKeyInfo);
        //添加扩展信息 见 X509CertExtensions
        X509CertExtensions.buildAllExtensions(certBuilder, publicKey, caPublicKey);
        X509CertificateHolder holder = certBuilder.build(signer);
        return new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME)
                .getCertificate(holder);
    } catch (Exception e) {
        throw new CertException("makeUserCert failed", e);
    }
}
 

public CsrImpl(final PKCS10CertificationRequest request) {
  dn = new BcX500NameDnImpl(request.getSubject());
  try {
    publicKey = new JcaPEMKeyConverter().getPublicKey(request.getSubjectPublicKeyInfo());
  } catch (final PEMException e) {
    throw new CaException(e);
  }
}
 

private static X509Certificate selfsign(PKCS10CertificationRequest inputCSR, String publicAddress, KeyPair signKey)
        throws Exception {

    AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder()
            .find("SHA256withRSA");
    AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder()
            .find(sigAlgId);

    AsymmetricKeyParameter akp = PrivateKeyFactory.createKey(signKey.getPrivate()
            .getEncoded());

    Calendar cal = Calendar.getInstance();
    Date currentTime = cal.getTime();
    cal.add(Calendar.YEAR, CERT_VALIDITY_YEAR);
    Date expiryTime = cal.getTime();

    X509v3CertificateBuilder myCertificateGenerator = new X509v3CertificateBuilder(
            new X500Name(String.format("cn=%s", publicAddress)), new BigInteger("1"), currentTime, expiryTime, inputCSR.getSubject(),
            inputCSR.getSubjectPublicKeyInfo());

    ContentSigner sigGen = new BcRSAContentSignerBuilder(sigAlgId, digAlgId)
            .build(akp);

    X509CertificateHolder holder = myCertificateGenerator.build(sigGen);

    CertificateFactory cf = CertificateFactory.getInstance("X.509");

    return (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(holder.toASN1Structure().getEncoded()));
}
 

/**
 * Sign function signs a Certificate.
 * @param config - Security Config.
 * @param caPrivate - CAs private Key.
 * @param caCertificate - CA Certificate.
 * @param validFrom - Begin Da te
 * @param validTill - End Date
 * @param certificationRequest - Certification Request.
 * @param scmId - SCM id.
 * @param clusterId - Cluster id.
 * @return Signed Certificate.
 * @throws IOException - On Error
 * @throws OperatorCreationException - on Error.
 */
@SuppressWarnings("ParameterNumber")
public  X509CertificateHolder sign(
    SecurityConfig config,
    PrivateKey caPrivate,
    X509CertificateHolder caCertificate,
    Date validFrom,
    Date validTill,
    PKCS10CertificationRequest certificationRequest,
    String scmId,
    String clusterId) throws IOException, OperatorCreationException {

  AlgorithmIdentifier sigAlgId = new
      DefaultSignatureAlgorithmIdentifierFinder().find(
      config.getSignatureAlgo());
  AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder()
      .find(sigAlgId);

  AsymmetricKeyParameter asymmetricKP = PrivateKeyFactory.createKey(caPrivate
      .getEncoded());
  SubjectPublicKeyInfo keyInfo =
      certificationRequest.getSubjectPublicKeyInfo();

  // Get scmId and cluster Id from subject name.
  X500Name x500Name = certificationRequest.getSubject();
  String csrScmId = x500Name.getRDNs(BCStyle.OU)[0].getFirst().getValue().
      toASN1Primitive().toString();
  String csrClusterId = x500Name.getRDNs(BCStyle.O)[0].getFirst().getValue().
      toASN1Primitive().toString();

  if (!scmId.equals(csrScmId) || !clusterId.equals(csrClusterId)) {
    if (csrScmId.equalsIgnoreCase("null") &&
        csrClusterId.equalsIgnoreCase("null")) {
      // Special case to handle DN certificate generation as DN might not know
      // scmId and clusterId before registration. In secure mode registration
      // will succeed only after datanode has a valid certificate.
      String cn = x500Name.getRDNs(BCStyle.CN)[0].getFirst().getValue()
          .toASN1Primitive().toString();
      x500Name = SecurityUtil.getDistinguishedName(cn, scmId, clusterId);
    } else {
      // Throw exception if scmId and clusterId doesn't match.
      throw new SCMSecurityException("ScmId and ClusterId in CSR subject" +
          " are incorrect.");
    }
  }

  RSAKeyParameters rsa =
      (RSAKeyParameters) PublicKeyFactory.createKey(keyInfo);
  if (rsa.getModulus().bitLength() < config.getSize()) {
    throw new SCMSecurityException("Key size is too small in certificate " +
        "signing request");
  }
  X509v3CertificateBuilder certificateGenerator =
      new X509v3CertificateBuilder(
          caCertificate.getSubject(),
          // Serial is not sequential but it is monotonically increasing.
          BigInteger.valueOf(Time.monotonicNowNanos()),
          validFrom,
          validTill,
          x500Name, keyInfo);

  ContentSigner sigGen = new BcRSAContentSignerBuilder(sigAlgId, digAlgId)
      .build(asymmetricKP);

  return certificateGenerator.build(sigGen);

}