at.favre.lib.crypto

Class HFunctionFactory.Default.DigestFactory

java.lang.Object

at.favre.lib.crypto.HFunctionFactory.Default.DigestFactory

All Implemented Interfaces:

HFunctionFactory

Enclosing class:

HFunctionFactory.Default

public static final class HFunctionFactory.Default.DigestFactory
extends Object
implements HFunctionFactory

Simple factory for message digests

Nested Class Summary

Nested classes/interfaces inherited from interface at.favre.lib.crypto.HFunctionFactory

HFunctionFactory.Default

Constructor Summary

Constructors

Constructor and Description
DigestFactory(String messageDigestAlgorithmName) Creates a mac factory
DigestFactory(String messageDigestAlgorithmName, Provider provider) Creates a message digest factory

Method Summary

Modifier and Type	Method and Description
HFunction	createInstance() Creates a new instance of MessageDigest
String	getDescription() Get a user readable description of the used H-function (e.g.

Methods inherited from class java.lang.Object

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

Constructor Detail

DigestFactory

public DigestFactory(String messageDigestAlgorithmName)

Creates a mac factory

Parameters:

messageDigestAlgorithmName - as used by MessageDigest.getInstance(String)

DigestFactory

public DigestFactory(String messageDigestAlgorithmName,
                     Provider provider)

Creates a message digest factory

Parameters:

messageDigestAlgorithmName - as used by MessageDigest.getInstance(String)

provider - what security provider, see MessageDigest.getInstance(String, Provider); may be null to use default

Method Detail

createInstance

public HFunction createInstance()

Description copied from interface: HFunctionFactory

Creates a new instance of MessageDigest

Specified by:

createInstance in interface HFunctionFactory

Returns:

a new message digest instance

getDescription

public String getDescription()

Description copied from interface: HFunctionFactory

Get a user readable description of the used H-function (e.g. SHA-256 or HmacSha1 or similar)

Specified by:

getDescription in interface HFunctionFactory

Returns:

description