package org.bouncycastle.pqc.jcajce.spec;
import java.security.spec.KeySpec;
import org.bouncycastle.pqc.math.linearalgebra.GF2Matrix;
/**
* This class provides a specification for a McEliece public key.
*
* @see org.bouncycastle.pqc.jcajce.provider.mceliece.BCMcEliecePublicKey
*/
public class McEliecePublicKeySpec
implements KeySpec
{
// the OID of the algorithm
private String oid;
// the length of the code
private int n;
// the error correction capability of the code
private int t;
// the generator matrix
private GF2Matrix g;
/**
* Constructor (used by {@link org.bouncycastle.pqc.jcajce.provider.mceliece.McElieceKeyFactorySpi}).
*
* @param oid
* @param n the length of the code
* @param t the error correction capability of the code
* @param g the generator matrix
*/
public McEliecePublicKeySpec(String oid, int n, int t, GF2Matrix g)
{
this.oid = oid;
this.n = n;
this.t = t;
this.g = new GF2Matrix(g);
}
/**
* Constructor (used by {@link org.bouncycastle.pqc.jcajce.provider.mceliece.McElieceKeyFactorySpi}).
*
* @param oid
* @param n the length of the code
* @param t the error correction capability of the code
* @param encG the encoded generator matrix
*/
public McEliecePublicKeySpec(String oid, int t, int n, byte[] encG)
{
this.oid = oid;
this.n = n;
this.t = t;
this.g = new GF2Matrix(encG);
}
/**
* @return the length of the code
*/
public int getN()
{
return n;
}
/**
* @return the error correction capability of the code
*/
public int getT()
{
return t;
}
/**
* @return the generator matrix
*/
public GF2Matrix getG()
{
return g;
}
public String getOIDString()
{
return oid;
}
}