org.bouncycastle.jcajce.spec

Class KMACParameterSpec

java.lang.Object

org.bouncycastle.jcajce.spec.KMACParameterSpec

All Implemented Interfaces:

java.security.spec.AlgorithmParameterSpec

public class KMACParameterSpec
extends java.lang.Object
implements java.security.spec.AlgorithmParameterSpec

ParameterSpec for the KMAC variants of SHAKE as used by CMS (RFC 8702 §3.4). Carries the MAC output length and the customization string S that are encoded in the KMACwithSHAKEnnn-params SEQUENCE.

Constructor Summary

Constructors

Constructor and Description
KMACParameterSpec(int macSizeInBits) Base constructor with empty customization string.
KMACParameterSpec(int macSizeInBits, byte[] customizationString) Base constructor.

Method Summary

Modifier and Type	Method and Description
byte[]	getCustomizationString()
int	getMacSizeInBits()

Methods inherited from class java.lang.Object

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

Constructor Detail

KMACParameterSpec

public KMACParameterSpec(int macSizeInBits)

Base constructor with empty customization string.

Parameters:

macSizeInBits - the requested MAC output length in bits; must be a multiple of 8.

KMACParameterSpec

public KMACParameterSpec(int macSizeInBits,
                         byte[] customizationString)

Base constructor.

Parameters:

macSizeInBits - the requested MAC output length in bits; must be a multiple of 8.

customizationString - the customization string S passed to KMAC; may be empty.

Method Detail

getMacSizeInBits

public int getMacSizeInBits()

getCustomizationString

public byte[] getCustomizationString()