How to use

org.spongycastle.operator.jcajce.JcaContentSignerBuilder

constructor

ContentSigner createContentSigner(String algorithm, PrivateKey privateKey)
  throws OperatorCreationException
{
  return new JcaContentSignerBuilder(algorithm).build(privateKey);
}

ContentSigner createContentSigner(String algorithm, PrivateKey privateKey)
  throws OperatorCreationException
{
  return new JcaContentSignerBuilder(algorithm).build(privateKey);
}

ContentSigner createContentSigner(String algorithm, PrivateKey privateKey)
  throws OperatorCreationException
{
  return new JcaContentSignerBuilder(algorithm).setProvider(provider).build(privateKey);
}

ContentSigner createContentSigner(String algorithm, PrivateKey privateKey)
  throws OperatorCreationException
{
  return new JcaContentSignerBuilder(algorithm).setProvider(providerName).build(privateKey);
}

ContentSigner createContentSigner(String algorithm, PrivateKey privateKey)
  throws OperatorCreationException
{
  return new JcaContentSignerBuilder(algorithm).setProvider(provider).build(privateKey);
}

ContentSigner createContentSigner(String algorithm, PrivateKey privateKey)
  throws OperatorCreationException
{
  return new JcaContentSignerBuilder(algorithm).setProvider(providerName).build(privateKey);
}

private void generateCert() throws Exception {
  KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
  keyPairGenerator.initialize(2048);
  KeyPair kp = keyPairGenerator.generateKeyPair();
  X500Name name = new X500Name("CN=Revolution IRC Client Certificate");
  BigInteger serial = new BigInteger(64, new SecureRandom());
  Date from = new Date();
  Date to = new Date(from.getTime() + 30L * 365L * 24L * 60L * 60L * 1000L);
  X509v3CertificateBuilder builder = new X509v3CertificateBuilder(name, serial, from, to, name, SubjectPublicKeyInfo.getInstance(kp.getPublic().getEncoded()));
  ContentSigner signer = new JcaContentSignerBuilder("SHA256WithRSA").build(kp.getPrivate());
  X509CertificateHolder holder = builder.build(signer);
  CertificateFactory factory = CertificateFactory.getInstance("X.509");
  mServerCert = (X509Certificate) factory.generateCertificate(
      new ByteArrayInputStream(holder.getEncoded()));
  mServerPrivKey = kp.getPrivate().getEncoded();
  mServerPrivKeyType = kp.getPrivate().getAlgorithm();
  mServerAuthSASLExtFP.setText(getString(R.string.server_sasl_ext_fp,
      getCertificateFingerprint(mServerCert)));
}

    keyPair.getPublic());
ContentSigner signer = new JcaContentSignerBuilder("SHA256WithRSAEncryption").build(keyPair.getPrivate());
X509CertificateHolder certHolder = builder.build(signer);
X509Certificate cert = new JcaX509CertificateConverter().setProvider(PROVIDER).getCertificate(certHolder);

    publicKey
);
ContentSigner contentSigner = new JcaContentSignerBuilder("SHA256WithRSAEncryption").setProvider(BC).build(privateKey);
certificate = new JcaX509CertificateConverter().setProvider(BC).getCertificate(certificateBuilder.build(contentSigner));

ContentSigner signer = new JcaContentSignerBuilder(
    CertificateUtils.getCertificateSignatureAlgorithm())
.setProvider("SC").build(signerKey);

ContentSigner signer = new JcaContentSignerBuilder(
    CertificateUtils.getCertificateSignatureAlgorithm()).setProvider("SC")
    .build(signerKey);

ContentSigner signer;
try {
  signer = new JcaContentSignerBuilder(
      CertificateUtils.getCertificateSignatureAlgorithm())
  .setProvider("SC").build(privateKey);

ContentSigner signer;
try {
  signer = new JcaContentSignerBuilder(CertificateUtils.getCertificateSignatureAlgorithm())
      .setProvider("SC").build(privateKey);
} catch (OperatorCreationException e) {