org.spongycastle.pqc.jcajce.spec

Class RainbowPrivateKeySpec

java.lang.Object

org.spongycastle.pqc.jcajce.spec.RainbowPrivateKeySpec

All Implemented Interfaces:

java.security.spec.KeySpec

public class RainbowPrivateKeySpec
extends java.lang.Object
implements java.security.spec.KeySpec

This class provides a specification for a RainbowSignature private key.

See Also:

KeySpec

Constructor Summary

Constructors

Constructor and Description
RainbowPrivateKeySpec(short[][] A1inv, short[] b1, short[][] A2inv, short[] b2, int[] vi, org.spongycastle.pqc.crypto.rainbow.Layer[] layers) Constructor

Method Summary

Modifier and Type	Method and Description
short[]	getB1() Getter for the translation part of the private quadratic map L1.
short[]	getB2() Getter for the translation part of the private quadratic map L2.
short[][]	getInvA1() Getter for the inverse matrix of A1.
short[][]	getInvA2() Getter for the inverse matrix of A2
org.spongycastle.pqc.crypto.rainbow.Layer[]	getLayers() Returns the layers contained in the private key
int[]	getVi() /** Returns the array of vi-s

Methods inherited from class java.lang.Object

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

Constructor Detail

RainbowPrivateKeySpec

public RainbowPrivateKeySpec(short[][] A1inv,
                             short[] b1,
                             short[][] A2inv,
                             short[] b2,
                             int[] vi,
                             org.spongycastle.pqc.crypto.rainbow.Layer[] layers)

Constructor

Parameters:

A1inv - the inverse of A1(the matrix part of the affine linear map L1) (n-v1 x n-v1 matrix)

b1 - translation vector, part of the linear affine map L1

A2inv - the inverse of A2(the matrix part of the affine linear map L2) (n x n matrix)

b2 - translation vector, part of the linear affine map L2

vi - the number of Vinegar-variables per layer

layers - the polynomials with their coefficients of private map F

Method Detail

getB1

public short[] getB1()

Getter for the translation part of the private quadratic map L1.

Returns:

b1 the translation part of L1

getInvA1

public short[][] getInvA1()

Getter for the inverse matrix of A1.

Returns:

the A1inv inverse

getB2

public short[] getB2()

Getter for the translation part of the private quadratic map L2.

Returns:

b2 the translation part of L2

getInvA2

public short[][] getInvA2()

Getter for the inverse matrix of A2

Returns:

the A2inv

getLayers

public org.spongycastle.pqc.crypto.rainbow.Layer[] getLayers()

Returns the layers contained in the private key

Returns:

layers

getVi

public int[] getVi()

/** Returns the array of vi-s

Returns:

the vi