How to use org.spongycastle.operator.jcajce

public ContentVerifierProvider build(SubjectPublicKeyInfo publicKey)
  throws OperatorCreationException
{
  return this.build(helper.convertPublicKey(publicKey));
}

ContentVerifierProvider createContentVerifierProvider(X509Certificate certificate)
  throws OperatorCreationException
{
  return new JcaContentVerifierProviderBuilder().setProvider(provider).build(certificate);
}

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

DigestCalculatorProvider createDigestCalculatorProvider()
  throws OperatorCreationException
{
  return new JcaDigestCalculatorProviderBuilder().setProvider(provider).build();
}

  DigestCalculatorProvider createDigestCalculatorProvider()
    throws OperatorCreationException
  {
    return new JcaDigestCalculatorProviderBuilder().build();
  }
}

ContentVerifierProvider createContentVerifierProvider(PublicKey publicKey)
  throws OperatorCreationException
{
  return new JcaContentVerifierProviderBuilder().build(publicKey);
}

public JcaX509ContentVerifierProviderBuilder setProvider(Provider provider)
{
  this.builder.setProvider(provider);
  return this;
}

  public GenericKey getKey()
  {
    return new JceGenericKey(algID, key);
  }
};

  public SymmetricKeyUnwrapper createSymmetricUnwrapper(AlgorithmIdentifier keyEncryptionAlgorithm, SecretKey keyEncryptionKey)
  {
    return new JceSymmetricKeyUnwrapper(keyEncryptionAlgorithm, keyEncryptionKey);
  }
}

  public JceKEKRecipientInfoGenerator setSecureRandom(SecureRandom random)
  {
    ((JceSymmetricKeyWrapper)this.wrapper).setSecureRandom(random);

    return this;
  }
}

ContentVerifierProvider createContentVerifierProvider(PublicKey publicKey)
  throws OperatorCreationException
{
  return new JcaContentVerifierProviderBuilder().setProvider(providerName).build(publicKey);
}

DigestCalculatorProvider createDigestCalculatorProvider()
  throws OperatorCreationException
{
  return new JcaDigestCalculatorProviderBuilder().setProvider(provider).build();
}

  DigestCalculatorProvider createDigestCalculatorProvider()
    throws OperatorCreationException
  {
    return new JcaDigestCalculatorProviderBuilder().build();
  }
}

public ContentVerifierProvider build(SubjectPublicKeyInfo publicKey)
  throws OperatorCreationException
{
  return this.build(helper.convertPublicKey(publicKey));
}

  public GenericKey getKey()
  {
    return new JceGenericKey(algorithmIdentifier, encKey);
  }
}

  public SymmetricKeyUnwrapper createSymmetricUnwrapper(AlgorithmIdentifier keyEncryptionAlgorithm, SecretKey keyEncryptionKey)
  {
    return new JceSymmetricKeyUnwrapper(keyEncryptionAlgorithm, keyEncryptionKey);
  }
}

ContentVerifierProvider createContentVerifierProvider(X509Certificate certificate)
  throws OperatorCreationException
{
  return new JcaContentVerifierProviderBuilder().setProvider(providerName).build(certificate);
}

DigestCalculatorProvider createDigestCalculatorProvider()
  throws OperatorCreationException
{
  return new JcaDigestCalculatorProviderBuilder().setProvider(providerName).build();
}

ContentVerifierProvider createContentVerifierProvider(PublicKey publicKey)
  throws OperatorCreationException
{
  return new JcaContentVerifierProviderBuilder().setProvider(provider).build(publicKey);
}

  ContentVerifierProvider createContentVerifierProvider(X509CertificateHolder certHolder)
    throws OperatorCreationException, CertificateException
  {
    return new JcaContentVerifierProviderBuilder().setProvider(providerName).build(certHolder);
  }
}