org.bouncycastle.crypto.general

Class Twofish.MACOperatorFactory

java.lang.Object

org.bouncycastle.crypto.general.Twofish.MACOperatorFactory

All Implemented Interfaces:

MACOperatorFactory<Twofish.AuthParameters>

Enclosing class:

Twofish

public static final class Twofish.MACOperatorFactory
extends java.lang.Object

Factory for producing Twofish MAC calculators.

Constructor Summary

Constructors

Constructor and Description
MACOperatorFactory()

Method Summary

Modifier and Type	Method and Description
protected int	calculateMACSize(Twofish.AuthParameters parameters)
protected org.bouncycastle.crypto.internal.Mac	createMAC(SymmetricKey key, Twofish.AuthParameters parameters)
OutputMACCalculator<T>	createOutputMACCalculator(SymmetricKey key, T parameters) Create a MAC calculator which provides an OutputStream to write data to.

Methods inherited from class java.lang.Object

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

Constructor Detail

MACOperatorFactory

public MACOperatorFactory()

Method Detail

createMAC

protected org.bouncycastle.crypto.internal.Mac createMAC(SymmetricKey key,
                                                         Twofish.AuthParameters parameters)

calculateMACSize

protected int calculateMACSize(Twofish.AuthParameters parameters)

createOutputMACCalculator

public final OutputMACCalculator<T> createOutputMACCalculator(SymmetricKey key,
                                                              T parameters)

Description copied from interface: MACOperatorFactory

Create a MAC calculator which provides an OutputStream to write data to.

Specified by:

createOutputMACCalculator in interface MACOperatorFactory<T extends AuthenticationParameters>

Parameters:

key - the key to use to initialise the MAC.

parameters - any additional parameters.

Returns:

a MAC calculator.