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package org.spongycastle.pqc.jcajce.spec;
import java.security.spec.KeySpec;
import org.spongycastle.pqc.crypto.rainbow.Layer;
/**
* This class provides a specification for a RainbowSignature private key.
*
* @see KeySpec
*/
public class RainbowPrivateKeySpec
implements KeySpec
{
/*
* invertible affine linear map L1
*/
// the inverse of A1, (n-v1 x n-v1 matrix)
private short[][] A1inv;
// translation vector of L1
private short[] b1;
/*
* invertible affine linear map L2
*/
// the inverse of A2, (n x n matrix)
private short[][] A2inv;
// translation vector of L2
private short[] b2;
/*
* components of F
*/
// the number of Vinegar-variables per layer.
private int[] vi;
// contains the polynomials with their coefficients of private map F
private Layer[] layers;
/**
* Constructor
*
* @param A1inv the inverse of A1(the matrix part of the affine linear map L1)
* (n-v1 x n-v1 matrix)
* @param b1 translation vector, part of the linear affine map L1
* @param A2inv the inverse of A2(the matrix part of the affine linear map L2)
* (n x n matrix)
* @param b2 translation vector, part of the linear affine map L2
* @param vi the number of Vinegar-variables per layer
* @param layers the polynomials with their coefficients of private map F
*/
public RainbowPrivateKeySpec(short[][] A1inv, short[] b1,
short[][] A2inv, short[] b2, int[] vi, Layer[] layers)
{
this.A1inv = A1inv;
this.b1 = b1;
this.A2inv = A2inv;
this.b2 = b2;
this.vi = vi;
this.layers = layers;
}
/**
* Getter for the translation part of the private quadratic map L1.
*
* @return b1 the translation part of L1
*/
public short[] getB1()
{
return this.b1;
}
/**
* Getter for the inverse matrix of A1.
*
* @return the A1inv inverse
*/
public short[][] getInvA1()
{
return this.A1inv;
}
/**
* Getter for the translation part of the private quadratic map L2.
*
* @return b2 the translation part of L2
*/
public short[] getB2()
{
return this.b2;
}
/**
* Getter for the inverse matrix of A2
*
* @return the A2inv
*/
public short[][] getInvA2()
{
return this.A2inv;
}
/**
* Returns the layers contained in the private key
*
* @return layers
*/
public Layer[] getLayers()
{
return this.layers;
}
/**
* /** Returns the array of vi-s
*
* @return the vi
*/
public int[] getVi()
{
return vi;
}
}
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