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org.bouncycastle.pqc.legacy.crypto.gmss.util

public Class GMSSRandom

Class Inheritance

extends Object

java.lang.Object
org.bouncycastle.pqc.legacy.crypto.gmss.util.GMSSRandom

Imports

org.bouncycastle.crypto.Digest

This class provides a PRNG for GMSS

Field Summary

Modifier and Type	Field and Description
private Digest	messDigestTree Hash function for the construction of the authentication trees

Constructor Summary

Access	Constructor and Description
public	GMSSRandom(Digest messDigestTree2) Constructor

Method Summary

Modifier and Type	Method and Description
private void	addByteArrays(byte[] a, byte[] b)
private void	addOne(byte[] a)
public byte[]	Returns: byte array of H(SEEDin) nextSeed(byte[] byte array in which ((1 + SEEDin +RAND) mod 2^n) will be stored outseed) computes the next seed value, returns a random byte array and sets outseed to the next value

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

messDigestTree	back to summary
private Digest messDigestTree Hash function for the construction of the authentication trees

Constructor Detail

GMSSRandom	back to summary
public GMSSRandom(Digest messDigestTree2) Constructor

Method Detail

addByteArrays	back to summary
private void addByteArrays(byte[] a, byte[] b)

addOne	back to summary
private void addOne(byte[] a)

nextSeed

back to summary

public byte[] nextSeed(byte[] outseed)

computes the next seed value, returns a random byte array and sets outseed to the next value

Parameters

outseed:byte[]: byte array in which ((1 + SEEDin +RAND) mod 2^n) will be stored

Returns:byte[]

byte array of H(SEEDin)