Package org.bouncycastle.crypto.general

Class EC.DSAOperatorFactory

java.lang.Object

org.bouncycastle.crypto.general.EC.DSAOperatorFactory

All Implemented Interfaces:

SignatureOperatorFactory<EC.DSAParameters>

Enclosing class:

EC

public static final class EC.DSAOperatorFactory
extends Object

Operator factory for creating non-FIPS EC DSA based signing and verification operators.

Constructor Summary

Constructors

Constructor	Description
DSAOperatorFactory()

Method Summary

Modifier and Type	Method	Description
final OutputSigner<EC.DSAParameters>	createSigner(AsymmetricPrivateKey key, EC.DSAParameters parameters)	Create a signer which will create signatures against data written to its output stream.
final OutputValidator<EC.DSAParameters>	createValidator(AsymmetricPublicKey key, EC.DSAParameters parameters, byte[] signature)	Create a validator which will verify against data written to its output stream against a signature.
final OutputVerifier<EC.DSAParameters>	createVerifier(AsymmetricPublicKey key, EC.DSAParameters parameters)	Create a verifier which will verify signatures against data written to its output stream.
protected OutputSigner<EC.DSAParameters>	doCreateSigner(AsymmetricPrivateKey key, EC.DSAParameters parameters)
protected OutputValidator<EC.DSAParameters>	doCreateValidator(AsymmetricPublicKey key, EC.DSAParameters parameters, byte[] signature)
protected OutputVerifier<EC.DSAParameters>	doCreateVerifier(AsymmetricPublicKey key, EC.DSAParameters parameters)

Methods inherited from class java.lang.Object

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

Constructor Details

DSAOperatorFactory

public DSAOperatorFactory()

Method Details

doCreateSigner

protected OutputSigner<EC.DSAParameters> doCreateSigner(AsymmetricPrivateKey key,
 EC.DSAParameters parameters)

doCreateVerifier

protected OutputVerifier<EC.DSAParameters> doCreateVerifier(AsymmetricPublicKey key,
 EC.DSAParameters parameters)

doCreateValidator

protected OutputValidator<EC.DSAParameters> doCreateValidator(AsymmetricPublicKey key,
 EC.DSAParameters parameters,
 byte[] signature)
                                                       throws InvalidSignatureException

Throws:

InvalidSignatureException

createSigner

public final OutputSigner<EC.DSAParameters> createSigner(AsymmetricPrivateKey key,
 EC.DSAParameters parameters)

Description copied from interface: SignatureOperatorFactory

Create a signer which will create signatures against data written to its output stream.

Specified by:

createSigner in interface SignatureOperatorFactory<T extends Parameters>

Parameters:

key - the signing key to use.

parameters - the parameters to use to initialize the signer.

Returns:

an OutputSigner.

createVerifier

public final OutputVerifier<EC.DSAParameters> createVerifier(AsymmetricPublicKey key,
 EC.DSAParameters parameters)

Description copied from interface: SignatureOperatorFactory

Create a verifier which will verify signatures against data written to its output stream.

Specified by:

createVerifier in interface SignatureOperatorFactory<T extends Parameters>

Parameters:

key - the verification key to use.

parameters - the parameters to use to initialize the verifier.

Returns:

an OutputVerifier.

createValidator

public final OutputValidator<EC.DSAParameters> createValidator(AsymmetricPublicKey key,
 EC.DSAParameters parameters,
 byte[] signature)
                                                        throws InvalidSignatureException

Description copied from interface: SignatureOperatorFactory

Create a validator which will verify against data written to its output stream against a signature.

Specified by:

createValidator in interface SignatureOperatorFactory<T extends Parameters>

Parameters:

key - the verification key to use.

parameters - the parameters to use to initialize the verifier.

signature - the signature that the data is to be validated against.

Returns:

an OutputValidator.

Throws:

InvalidSignatureException