Package org.bouncycastle.crypto.general

Class DSA.OperatorFactory

java.lang.Object

org.bouncycastle.crypto.general.DSA.OperatorFactory

All Implemented Interfaces:

SignatureOperatorFactory<DSA.Parameters>

Enclosing class:

DSA

public static final class DSA.OperatorFactory
extends Object

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

Constructor Summary

Constructors

Constructor	Description
OperatorFactory()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

OperatorFactory

public OperatorFactory()

Method Details

doCreateSigner

protected OutputSignerUsingSecureRandom<DSA.Parameters> doCreateSigner(AsymmetricPrivateKey key,
 DSA.Parameters parameters)

doCreateVerifier

protected OutputVerifier<DSA.Parameters> doCreateVerifier(AsymmetricPublicKey key,
 DSA.Parameters parameters)

doCreateValidator

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

Throws:

InvalidSignatureException

createSigner

public final OutputSignerUsingSecureRandom<DSA.Parameters> createSigner(AsymmetricPrivateKey key,
 DSA.Parameters 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<DSA.Parameters> createVerifier(AsymmetricPublicKey key,
 DSA.Parameters 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<DSA.Parameters> createValidator(AsymmetricPublicKey key,
 DSA.Parameters 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