Package org.bouncycastle.operator

Examples of org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder

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  public static Csr buildCsr(KeyPair keyPair, X500Principal subjectName) {
    X500Name subject = BouncyCastleHelpers.toX500Name(subjectName);
    SubjectPublicKeyInfo publicKeyInfo = BouncyCastleHelpers.toSubjectPublicKeyInfo(keyPair.getPublic());
    PKCS10CertificationRequestBuilder csrBuilder = new PKCS10CertificationRequestBuilder(subject, publicKeyInfo);

    AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA1withRSA");
    AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);

    BcRSAContentSignerBuilder sigBuild = new BcRSAContentSignerBuilder(sigAlgId, digAlgId);
    ContentSigner signer;
    try {
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  public PrivateKey caPrivateKey;

  private static Certificate signCertificate(X500Name signer, PrivateKey signerPrivateKey, X500Name subject,
      SubjectPublicKeyInfo subjectPublicKeyInfo) throws OpsException {
    try {
      AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find(SIGNATURE_ALGORITHM);
      AlgorithmIdentifier digestAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);

      long days = 3650;

      long now = System.currentTimeMillis();
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        try
        {
            org.bouncycastle.asn1.x509.Certificate certificate =
                    org.bouncycastle.asn1.x509.Certificate.getInstance(ASN1Primitive.fromByteArray(cert[0].getEncoded()));

            AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA256WITHRSAENCRYPTION");
            AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
            RSAPrivateKey privateRSAKey = (RSAPrivateKey)privKey;
            RSAKeyParameters keyParams = new RSAKeyParameters(true, privateRSAKey.getModulus(), privateRSAKey.getPrivateExponent());
            ContentSigner sigGen = new BcRSAContentSignerBuilder(sigAlgId, digAlgId).build(keyParams);
            CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
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            org.bouncycastle.asn1.x509.Certificate certificate =
                    org.bouncycastle.asn1.x509.Certificate.getInstance(ASN1Primitive.fromByteArray(certificateChain[0].getEncoded()));
            CMSSignedDataGenerator gen = new CMSSignedDataGenerator();

           
            AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA256WITHRSAENCRYPTION");
            AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
            RSAPrivateKey privateRSAKey = (RSAPrivateKey)privateKey;
            RSAKeyParameters keyParams = new RSAKeyParameters(true, privateRSAKey.getModulus(), privateRSAKey.getPrivateExponent());
            ContentSigner sigGen = new BcRSAContentSignerBuilder(sigAlgId, digAlgId).build(keyParams);
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  SignerInformation signerInfo = store.get(new JcaSignerId(signer));
  if (signerInfo == null) {
      return false;
  }
  CMSSignatureAlgorithmNameGenerator sigNameGenerator = new DefaultCMSSignatureAlgorithmNameGenerator();
  SignatureAlgorithmIdentifierFinder sigAlgorithmFinder = new DefaultSignatureAlgorithmIdentifierFinder();
  ContentVerifierProvider verifierProvider;
  try {
      verifierProvider = new JcaContentVerifierProviderBuilder()
        .build(signer);
  } catch (OperatorCreationException e) {
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    public static Csr buildCsr(KeyPair keyPair, X500Principal subjectName) {
        X500Name subject = BouncyCastleHelpers.toX500Name(subjectName);
        SubjectPublicKeyInfo publicKeyInfo = BouncyCastleHelpers.toSubjectPublicKeyInfo(keyPair.getPublic());
        PKCS10CertificationRequestBuilder csrBuilder = new PKCS10CertificationRequestBuilder(subject, publicKeyInfo);

        AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA1withRSA");
        AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);

        BcRSAContentSignerBuilder sigBuild = new BcRSAContentSignerBuilder(sigAlgId, digAlgId);
        ContentSigner signer;
        try {
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          JcaDigestCalculatorProviderBuilder digestCalculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder();
          digestCalculatorProviderBuilder.setProvider(BouncyCastleProviderHelper.PROVIDER_NAME);
          DigestCalculatorProvider digestCalculatorProvider = digestCalculatorProviderBuilder.build();

          SignatureAlgorithmIdentifierFinder signatureAlgorithmIdentifierFinder = new DefaultSignatureAlgorithmIdentifierFinder();
          CMSSignatureAlgorithmNameGenerator signatureAlgorithmNameGenerator = new DefaultCMSSignatureAlgorithmNameGenerator();

          signerInformationVerifier = new SignerInformationVerifier(signatureAlgorithmNameGenerator, signatureAlgorithmIdentifierFinder, contentVerifierProvider, digestCalculatorProvider);
        }
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        } while (null != certificate);

        // verify TSP signer signature
        X509CertificateHolder holder = new X509CertificateHolder(tspCertificateChain.get(0).getEncoded());
        DefaultCMSSignatureAlgorithmNameGenerator nameGen = new DefaultCMSSignatureAlgorithmNameGenerator();
        DefaultSignatureAlgorithmIdentifierFinder sigAlgoFinder = new DefaultSignatureAlgorithmIdentifierFinder();
        DefaultDigestAlgorithmIdentifierFinder hashAlgoFinder = new DefaultDigestAlgorithmIdentifierFinder();
        BcDigestCalculatorProvider calculator = new BcDigestCalculatorProvider();
        BcRSASignerInfoVerifierBuilder verifierBuilder = new BcRSASignerInfoVerifierBuilder(nameGen, sigAlgoFinder, hashAlgoFinder, calculator);
        SignerInformationVerifier verifier = verifierBuilder.build(holder);
       
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            JcaDigestCalculatorProviderBuilder digestCalculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder();
            digestCalculatorProviderBuilder.setProvider(BouncyCastleProviderHelper.PROVIDER_NAME);
            DigestCalculatorProvider digestCalculatorProvider = digestCalculatorProviderBuilder.build();

            SignatureAlgorithmIdentifierFinder signatureAlgorithmIdentifierFinder = new DefaultSignatureAlgorithmIdentifierFinder();
            CMSSignatureAlgorithmNameGenerator signatureAlgorithmNameGenerator = new DefaultCMSSignatureAlgorithmNameGenerator();

            signerInformationVerifier = new SignerInformationVerifier(signatureAlgorithmNameGenerator, signatureAlgorithmIdentifierFinder, contentVerifierProvider, digestCalculatorProvider);
          }
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            JcaDigestCalculatorProviderBuilder digestCalculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder();
            digestCalculatorProviderBuilder.setProvider(BouncyCastleProviderHelper.PROVIDER_NAME);
            DigestCalculatorProvider digestCalculatorProvider = digestCalculatorProviderBuilder.build();

            SignatureAlgorithmIdentifierFinder signatureAlgorithmIdentifierFinder = new DefaultSignatureAlgorithmIdentifierFinder();
            CMSSignatureAlgorithmNameGenerator signatureAlgorithmNameGenerator = new DefaultCMSSignatureAlgorithmNameGenerator();

            signerInformationVerifier = new SignerInformationVerifier(signatureAlgorithmNameGenerator, signatureAlgorithmIdentifierFinder, contentVerifierProvider, digestCalculatorProvider);
          }
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