de.flexiprovider.pqc.hbc.ots
Class PRNGWrapper

java.lang.Object
  |
  +--de.flexiprovider.pqc.hbc.ots.PRNGWrapper

All Implemented Interfaces:

PRNG

public class PRNGWrapper

extends java.lang.Object

implements PRNG

Constructor Summary

PRNGWrapper(PRNG prng, int length)

Method Summary

int	getLength()
void	initialize(MessageDigest md) Initialize the RNG with the given message digest.
byte[]	nextSeed(byte[] outSeed) returns the next output cut to the desired byte-length
void	setLength(int length)

Methods inherited from class java.lang.Object

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

Constructor Detail

PRNGWrapper

public PRNGWrapper(PRNG prng,
                   int length)

Method Detail

initialize

public void initialize(MessageDigest md)

Description copied from interface: PRNG

Initialize the RNG with the given message digest.

Specified by:

initialize in interface PRNG

Following copied from interface: de.flexiprovider.pqc.hbc.PRNG

Parameters:

md - the message digest for constructing the random numbers

nextSeed

public byte[] nextSeed(byte[] outSeed)

returns the next output cut to the desired byte-length

Specified by:

nextSeed in interface PRNG

Following copied from interface: de.flexiprovider.pqc.hbc.PRNG

Parameters:

outSeed - byte array in which (1 + inSeed + RAND) mod 2ⁿn will be stored

Returns:

byte array containing H(inSeed)

setLength

public void setLength(int length)

getLength

public int getLength()