de.flexiprovider.pqc.hbc.gmss
Class GMSSRandomBigInt

java.lang.Object
  |
  +--de.flexiprovider.pqc.hbc.gmss.GMSSRandomBigInt

public class GMSSRandomBigInt

extends java.lang.Object

This class provides a PRNG for GMSS, using FlexiBigInts

Author:

Sebastian Blume, Michael Schneider

Constructor Summary

GMSSRandomBigInt(MessageDigest messDigestTree)

Method Summary

byte[]	nextSeed(byte[] outseed) computes the next value, returns a random byte array and sets outseed to the next value
void	setSeed(byte[] seed) sets seed as initial value

Methods inherited from class java.lang.Object

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

Constructor Detail

GMSSRandomBigInt

public GMSSRandomBigInt(MessageDigest messDigestTree)

Parameters:

messDigestTree -

Method Detail

setSeed

public void setSeed(byte[] seed)

sets seed as initial value

Parameters:

seed - the seed to set as initial value

nextSeed

public byte[] nextSeed(byte[] outseed)

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

Parameters:

outseed - random byte array

Returns:

next random value