org.spongycastle.pqc.crypto.gmss

Class GMSSLeaf

java.lang.Object

org.spongycastle.pqc.crypto.gmss.GMSSLeaf

public class GMSSLeaf
extends java.lang.Object

This class implements the distributed computation of the public key of the Winternitz one-time signature scheme (OTSS). The class is used by the GMSS classes for calculation of upcoming leafs.

Constructor Summary

Constructors

Constructor and Description
GMSSLeaf(Digest digest, byte[][] otsIndex, int[] numLeafs) This constructor regenerates a prior GMSSLeaf object
GMSSLeaf(Digest digest, int w, int numLeafs, byte[] seed0)

Method Summary

Modifier and Type	Method and Description
byte[]	getLeaf() Returns the leaf value.
byte[][]	getStatByte() Returns the status byte array used by the GMSSPrivateKeyASN.1 class
int[]	getStatInt() Returns the status int array used by the GMSSPrivateKeyASN.1 class
java.lang.String	toString() Returns a String representation of the main part of this element

Methods inherited from class java.lang.Object

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

Constructor Detail

GMSSLeaf

public GMSSLeaf(Digest digest,
                byte[][] otsIndex,
                int[] numLeafs)

This constructor regenerates a prior GMSSLeaf object

Parameters:

digest - an array of strings, containing the name of the used hash function and PRNG and the name of the corresponding provider

otsIndex - status bytes

numLeafs - status ints

GMSSLeaf

public GMSSLeaf(Digest digest,
                int w,
                int numLeafs,
                byte[] seed0)

Method Detail

getLeaf

public byte[] getLeaf()

Returns the leaf value.

Returns:

the leaf value

getStatByte

public byte[][] getStatByte()

Returns the status byte array used by the GMSSPrivateKeyASN.1 class

Returns:

The status bytes

getStatInt

public int[] getStatInt()

Returns the status int array used by the GMSSPrivateKeyASN.1 class

Returns:

The status ints

toString

public java.lang.String toString()

Returns a String representation of the main part of this element

Overrides:

toString in class java.lang.Object

Returns:

a String representation of the main part of this element