org.spongycastle.operator.bc

Class BcContentVerifierProviderBuilder

java.lang.Object

org.spongycastle.operator.bc.BcContentVerifierProviderBuilder

Direct Known Subclasses:

BcDSAContentVerifierProviderBuilder, BcECContentVerifierProviderBuilder, BcRSAContentVerifierProviderBuilder

public abstract class BcContentVerifierProviderBuilder
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected BcDigestProvider	digestProvider

Constructor Summary

Constructors

Constructor and Description
BcContentVerifierProviderBuilder()

Method Summary

Modifier and Type	Method and Description
ContentVerifierProvider	build(org.spongycastle.crypto.params.AsymmetricKeyParameter publicKey)
ContentVerifierProvider	build(X509CertificateHolder certHolder)
protected abstract org.spongycastle.crypto.Signer	createSigner(org.spongycastle.asn1.x509.AlgorithmIdentifier sigAlgId) Create the correct signer for the algorithm identifier sigAlgId.
protected abstract org.spongycastle.crypto.params.AsymmetricKeyParameter	extractKeyParameters(org.spongycastle.asn1.x509.SubjectPublicKeyInfo publicKeyInfo) Extract an AsymmetricKeyParameter from the passed in SubjectPublicKeyInfo structure.

Methods inherited from class java.lang.Object

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

Field Detail

digestProvider

protected BcDigestProvider digestProvider

Constructor Detail

BcContentVerifierProviderBuilder

public BcContentVerifierProviderBuilder()

Method Detail

build

public ContentVerifierProvider build(X509CertificateHolder certHolder)
                              throws OperatorCreationException

Throws:

OperatorCreationException

build

public ContentVerifierProvider build(org.spongycastle.crypto.params.AsymmetricKeyParameter publicKey)
                              throws OperatorCreationException

Throws:

OperatorCreationException

extractKeyParameters

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

Extract an AsymmetricKeyParameter from the passed in SubjectPublicKeyInfo structure.

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,

createSigner

protected abstract org.spongycastle.crypto.Signer createSigner(org.spongycastle.asn1.x509.AlgorithmIdentifier sigAlgId)
                                                        throws OperatorCreationException

Create the correct signer for the algorithm identifier sigAlgId.

Parameters:

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

Returns:

a Signer object.

Throws:

OperatorCreationException - if the Signer cannot be constructed.