Package org.bouncycastle.cms

Class SignerInfoGeneratorBuilder

java.lang.Object
org.bouncycastle.cms.SignerInfoGeneratorBuilder
public class SignerInfoGeneratorBuilder extends Object
Builder for SignerInfo generator objects.

  • Constructor Details

    • SignerInfoGeneratorBuilder

      public SignerInfoGeneratorBuilder(DigestCalculatorProvider digestProvider)
      Base constructor.
      Parameters:
      digestProvider - a provider of digest calculators for the algorithms required in the signature and attribute calculations.

    • SignerInfoGeneratorBuilder

      public SignerInfoGeneratorBuilder(DigestCalculatorProvider digestProvider, CMSSignatureEncryptionAlgorithmFinder sigEncAlgFinder)
      Base constructor with a particular finder for signature algorithms.
      Parameters:
      digestProvider - a provider of digest calculators for the algorithms required in the signature and attribute calculations.
      sigEncAlgFinder - finder for algorithm IDs to store for the signature encryption/signature algorithm field.

  • Method Details

    • setDirectSignature

      public SignerInfoGeneratorBuilder setDirectSignature(boolean hasNoSignedAttributes)
      If the passed in flag is true, the signer signature will be based on the data, not a collection of signed attributes, and no signed attributes will be included.
      Returns:
      the builder object

    • setContentDigest

      public SignerInfoGeneratorBuilder setContentDigest(org.bouncycastle.asn1.x509.AlgorithmIdentifier contentDigest)
      Set the algorithm identifier for the contentDigest to be used for processing the data.
      Returns:
      the builder object

    • setSignedAttributeGenerator

      public SignerInfoGeneratorBuilder setSignedAttributeGenerator(CMSAttributeTableGenerator signedGen)
      Provide a custom signed attribute generator.
      Parameters:
      signedGen - a generator of signed attributes.
      Returns:
      the builder object

    • setUnsignedAttributeGenerator

      public SignerInfoGeneratorBuilder setUnsignedAttributeGenerator(CMSAttributeTableGenerator unsignedGen)
      Provide a generator of unsigned attributes.
      Parameters:
      unsignedGen - a generator for signed attributes.
      Returns:
      the builder object

    • build

      public SignerInfoGenerator build(ContentSigner contentSigner, X509CertificateHolder certHolder) throws OperatorCreationException
      Build a generator with the passed in certHolder issuer and serial number as the signerIdentifier.
      Parameters:
      contentSigner - operator for generating the final signature in the SignerInfo with.
      certHolder - carrier for the X.509 certificate related to the contentSigner.
      Returns:
      a SignerInfoGenerator
      Throws:
      OperatorCreationException - if the generator cannot be built.

    • build

      public SignerInfoGenerator build(ContentSigner contentSigner, byte[] subjectKeyIdentifier) throws OperatorCreationException
      Build a generator with the passed in subjectKeyIdentifier as the signerIdentifier. If used you should try to follow the calculation described in RFC 5280 section 4.2.1.2.
      Parameters:
      contentSigner - operator for generating the final signature in the SignerInfo with.
      subjectKeyIdentifier - key identifier to identify the public key for verifying the signature.
      Returns:
      a SignerInfoGenerator
      Throws:
      OperatorCreationException - if the generator cannot be built.