Package org.bouncycastle.operator.bc

Class BcDSAContentVerifierProviderBuilder

java.lang.Object

org.bouncycastle.operator.bc.BcContentVerifierProviderBuilder

org.bouncycastle.operator.bc.BcDSAContentVerifierProviderBuilder

public class BcDSAContentVerifierProviderBuilder
extends BcContentVerifierProviderBuilder

Field Summary

Fields inherited from class org.bouncycastle.operator.bc.BcContentVerifierProviderBuilder

digestProvider

Constructor Summary

Constructors

Constructor	Description
BcDSAContentVerifierProviderBuilder(DigestAlgorithmIdentifierFinder digestAlgorithmFinder)

Method Summary

Modifier and Type	Method	Description
protected Signer	createSigner(AlgorithmIdentifier sigAlgId)	Create the correct signer for the algorithm identifier sigAlgId.
protected AsymmetricKeyParameter	extractKeyParameters(SubjectPublicKeyInfo publicKeyInfo)	Extract an AsymmetricKeyParameter from the passed in SubjectPublicKeyInfo structure.

Methods inherited from class org.bouncycastle.operator.bc.BcContentVerifierProviderBuilder

build, build

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BcDSAContentVerifierProviderBuilder

public BcDSAContentVerifierProviderBuilder(DigestAlgorithmIdentifierFinder digestAlgorithmFinder)

Method Details

createSigner

protected Signer createSigner(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 AsymmetricKeyParameter extractKeyParameters(SubjectPublicKeyInfo publicKeyInfo)
                                               throws 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:

IOException - if the publicKeyInfo data cannot be parsed,