Package org.bouncycastle.pqc.legacy.crypto.gmss

Class GMSSPrivateKeyParameters

java.lang.Object

org.bouncycastle.crypto.params.AsymmetricKeyParameter

org.bouncycastle.pqc.legacy.crypto.gmss.GMSSKeyParameters

org.bouncycastle.pqc.legacy.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	Description
GMSSPrivateKeyParameters(byte[][] currentSeed, byte[][] nextNextSeed, byte[][][] currentAuthPath, byte[][][] nextAuthPath, Treehash[][] currentTreehash, Treehash[][] nextTreehash, Vector[] currentStack, Vector[] nextStack, Vector[][] currentRetain, 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, Vector[] currentStack, Vector[] nextStack, Vector[][] currentRetain, 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	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.bouncycastle.pqc.legacy.crypto.gmss.GMSSKeyParameters

getParameters

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

isPrivate

Methods inherited from class java.lang.Object

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

Constructor Details

GMSSPrivateKeyParameters

public GMSSPrivateKeyParameters(byte[][] currentSeed,
 byte[][] nextNextSeed,
 byte[][][] currentAuthPath,
 byte[][][] nextAuthPath,
 Treehash[][] currentTreehash,
 Treehash[][] nextTreehash,
 Vector[] currentStack,
 Vector[] nextStack,
 Vector[][] currentRetain,
 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,
 Vector[] currentStack,
 Vector[] nextStack,
 Vector[][] currentRetain,
 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 Details

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