org.spongycastle.pqc.crypto.gmss

Class GMSSPrivateKeyParameters

java.lang.Object

org.spongycastle.crypto.params.AsymmetricKeyParameter

org.spongycastle.pqc.crypto.gmss.GMSSKeyParameters

org.spongycastle.pqc.crypto.gmss.GMSSPrivateKeyParameters

All Implemented Interfaces:

CipherParameters

public class GMSSPrivateKeyParameters
extends GMSSKeyParameters

This class provides a specification for a GMSS private key.

Constructor Summary

Constructors

Constructor and Description
GMSSPrivateKeyParameters(byte[][] currentSeed, byte[][] nextNextSeed, byte[][][] currentAuthPath, byte[][][] nextAuthPath, Treehash[][] currentTreehash, Treehash[][] nextTreehash, java.util.Vector[] currentStack, java.util.Vector[] nextStack, java.util.Vector[][] currentRetain, java.util.Vector[][] nextRetain, byte[][] nextRoot, byte[][] currentRootSig, GMSSParameters gmssParameterset, GMSSDigestProvider digestProvider) Generates a new GMSS private key
GMSSPrivateKeyParameters(int[] index, byte[][] currentSeeds, byte[][] nextNextSeeds, byte[][][] currentAuthPaths, byte[][][] nextAuthPaths, byte[][][] keep, Treehash[][] currentTreehash, Treehash[][] nextTreehash, java.util.Vector[] currentStack, java.util.Vector[] nextStack, java.util.Vector[][] currentRetain, java.util.Vector[][] nextRetain, GMSSLeaf[] nextNextLeaf, GMSSLeaf[] upperLeaf, GMSSLeaf[] upperTreehashLeaf, int[] minTreehash, byte[][] nextRoot, GMSSRootCalc[] nextNextRoot, byte[][] currentRootSig, GMSSRootSig[] nextRootSig, GMSSParameters gmssParameterset, GMSSDigestProvider digestProvider) /**

Method Summary

Modifier and Type	Method and Description
byte[][][]	getCurrentAuthPaths()
byte[][]	getCurrentSeeds()
int[]	getIndex()
int	getIndex(int i)
GMSSDigestProvider	getName()
int	getNumLeafs(int i)
byte[]	getSubtreeRootSig(int i)
boolean	isUsed()
void	markUsed()
GMSSPrivateKeyParameters	nextKey()

Methods inherited from class org.spongycastle.pqc.crypto.gmss.GMSSKeyParameters

getParameters

Methods inherited from class org.spongycastle.crypto.params.AsymmetricKeyParameter

isPrivate

Methods inherited from class java.lang.Object

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

Constructor Detail

GMSSPrivateKeyParameters

public GMSSPrivateKeyParameters(byte[][] currentSeed,
                                byte[][] nextNextSeed,
                                byte[][][] currentAuthPath,
                                byte[][][] nextAuthPath,
                                Treehash[][] currentTreehash,
                                Treehash[][] nextTreehash,
                                java.util.Vector[] currentStack,
                                java.util.Vector[] nextStack,
                                java.util.Vector[][] currentRetain,
                                java.util.Vector[][] nextRetain,
                                byte[][] nextRoot,
                                byte[][] currentRootSig,
                                GMSSParameters gmssParameterset,
                                GMSSDigestProvider digestProvider)

Generates a new GMSS private key

Parameters:

currentSeed - seed for the generation of private OTS keys for the current subtrees

nextNextSeed - seed for the generation of private OTS keys for the next subtrees

currentAuthPath - array of current authentication paths

nextAuthPath - array of next authentication paths

currentTreehash - array of current treehash instances

nextTreehash - array of next treehash instances

currentStack - array of current shared stacks

nextStack - array of next shared stacks

currentRetain - array of current retain stacks

nextRetain - array of next retain stacks

nextRoot - the roots of the next subtree

currentRootSig - array of signatures of the roots of the current subtrees

gmssParameterset - the GMSS Parameterset

See Also:

GMSSKeyPairGenerator

GMSSPrivateKeyParameters

public GMSSPrivateKeyParameters(int[] index,
                                byte[][] currentSeeds,
                                byte[][] nextNextSeeds,
                                byte[][][] currentAuthPaths,
                                byte[][][] nextAuthPaths,
                                byte[][][] keep,
                                Treehash[][] currentTreehash,
                                Treehash[][] nextTreehash,
                                java.util.Vector[] currentStack,
                                java.util.Vector[] nextStack,
                                java.util.Vector[][] currentRetain,
                                java.util.Vector[][] nextRetain,
                                GMSSLeaf[] nextNextLeaf,
                                GMSSLeaf[] upperLeaf,
                                GMSSLeaf[] upperTreehashLeaf,
                                int[] minTreehash,
                                byte[][] nextRoot,
                                GMSSRootCalc[] nextNextRoot,
                                byte[][] currentRootSig,
                                GMSSRootSig[] nextRootSig,
                                GMSSParameters gmssParameterset,
                                GMSSDigestProvider digestProvider)

/**

Parameters:

index - tree indices

keep - keep array for the authPath algorithm

currentTreehash - treehash for authPath algorithm of current tree

nextTreehash - treehash for authPath algorithm of next tree (TREE+)

currentStack - shared stack for authPath algorithm of current tree

nextStack - shared stack for authPath algorithm of next tree (TREE+)

currentRetain - retain stack for authPath algorithm of current tree

nextRetain - retain stack for authPath algorithm of next tree (TREE+)

nextNextLeaf - array of upcoming leafs of the tree after next (LEAF++) of each layer

upperLeaf - needed for precomputation of upper nodes

upperTreehashLeaf - needed for precomputation of upper treehash nodes

minTreehash - index of next treehash instance to receive an update

nextRoot - the roots of the next trees (ROOT+)

nextNextRoot - the roots of the tree after next (ROOT++)

currentRootSig - array of signatures of the roots of the current subtrees (SIG)

nextRootSig - array of signatures of the roots of the next subtree (SIG+)

gmssParameterset - the GMSS Parameterset

Method Detail

isUsed

public boolean isUsed()

markUsed

public void markUsed()

nextKey

public GMSSPrivateKeyParameters nextKey()

getIndex

public int[] getIndex()

getIndex

public int getIndex(int i)

Returns:

The current index of layer i

getCurrentSeeds

public byte[][] getCurrentSeeds()

getCurrentAuthPaths

public byte[][][] getCurrentAuthPaths()

getSubtreeRootSig

public byte[] getSubtreeRootSig(int i)

Returns:

The one-time signature of the root of the current subtree

getName

public GMSSDigestProvider getName()

getNumLeafs

public int getNumLeafs(int i)

Returns:

The number of leafs of each tree of layer i