Constructor Detail

• BcDSAContentVerifierProviderBuilder

  public BcDSAContentVerifierProviderBuilder​(DigestAlgorithmIdentifierFinder digestAlgorithmFinder)

Method Detail

• createSigner

  protected org.bouncycastle.crypto.Signer createSigner​(org.bouncycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
                                                 throws OperatorCreationException

  Description copied from class: BcContentVerifierProviderBuilder
  Create the correct signer for the algorithm identifier sigAlgId.

  Specified by:

  createSigner in class BcContentVerifierProviderBuilder

  Parameters:

  sigAlgId - the algorithm details for the signature we want to verify.

  Returns:

  a Signer object.

  Throws:

  OperatorCreationException - if the Signer cannot be constructed.

• extractKeyParameters

  protected org.bouncycastle.crypto.params.AsymmetricKeyParameter extractKeyParameters​(org.bouncycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo)
                                                                                throws java.io.IOException

  Description copied from class: BcContentVerifierProviderBuilder
  Extract an AsymmetricKeyParameter from the passed in SubjectPublicKeyInfo structure.

  Specified by:

  extractKeyParameters in class BcContentVerifierProviderBuilder

  Parameters:

  publicKeyInfo - a publicKeyInfo structure describing the public key required.

  Returns:

  an AsymmetricKeyParameter object containing the appropriate public key.

  Throws:

  java.io.IOException - if the publicKeyInfo data cannot be parsed,