de.flexiprovider.pqc.hbc.gmss
Class GMSSRandom

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

public class GMSSRandom

extends java.lang.Object

This class provides a PRNG for GMSS

Author:

Sebastian Blume, Michael Schneider

Constructor Summary

GMSSRandom(MessageDigest messDigestTree)
Constructor

Method Summary

byte[]

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

Methods inherited from class java.lang.Object

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

Constructor Detail

GMSSRandom

public GMSSRandom(MessageDigest messDigestTree)

Constructor

Parameters:

messDigestTree -

Method Detail

nextSeed

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 array in which ((1 + SEEDin +RAND) mod 2^n) will be stored

Returns:

byte array of H(SEEDin)