org.bouncycastle.pqc.crypto.mceliece
Class McElieceCCA2PrivateKeyParameters

java.lang.Object
  org.bouncycastle.crypto.params.AsymmetricKeyParameter
      org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2KeyParameters
          org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2PrivateKeyParameters

All Implemented Interfaces:

CipherParameters

public class McElieceCCA2PrivateKeyParameters
extends McElieceCCA2KeyParameters

Constructor Summary

McElieceCCA2PrivateKeyParameters(java.lang.String oid, int n, int k, byte[] encFieldPoly, byte[] encGoppaPoly, byte[] encP, byte[] encH, byte[][] encQInv, McElieceCCA2Parameters params)
Constructor used by the McElieceKeyFactory.

McElieceCCA2PrivateKeyParameters(java.lang.String oid, int n, int k, GF2mField field, PolynomialGF2mSmallM gp, Permutation p, GF2Matrix h, PolynomialGF2mSmallM[] qInv, McElieceCCA2Parameters params)
Constructor.

Method Summary

GF2mField	getField()
PolynomialGF2mSmallM	getGoppaPoly()
GF2Matrix	getH()
int	getK()
int	getN()
java.lang.String	getOIDString()
Permutation	getP()
PolynomialGF2mSmallM[]	getQInv()
int	getT()

Methods inherited from class org.bouncycastle.pqc.crypto.mceliece.McElieceCCA2KeyParameters

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 Detail

McElieceCCA2PrivateKeyParameters

public McElieceCCA2PrivateKeyParameters(java.lang.String oid,
                                        int n,
                                        int k,
                                        GF2mField field,
                                        PolynomialGF2mSmallM gp,
                                        Permutation p,
                                        GF2Matrix h,
                                        PolynomialGF2mSmallM[] qInv,
                                        McElieceCCA2Parameters params)

Constructor.

Parameters:

n - the length of the code

k - the dimension of the code

field - the finite field GF(2^m)

gp - the irreducible Goppa polynomial

p - the permutation

h - the canonical check matrix

qInv - the matrix used to compute square roots in (GF(2^m))^t

params - McElieceCCA2Parameters

McElieceCCA2PrivateKeyParameters

public McElieceCCA2PrivateKeyParameters(java.lang.String oid,
                                        int n,
                                        int k,
                                        byte[] encFieldPoly,
                                        byte[] encGoppaPoly,
                                        byte[] encP,
                                        byte[] encH,
                                        byte[][] encQInv,
                                        McElieceCCA2Parameters params)

Constructor used by the McElieceKeyFactory.

Parameters:

n - the length of the code

k - the dimension of the code

encFieldPoly - the encoded field polynomial defining the finite field GF(2^m)

encGoppaPoly - the encoded irreducible Goppa polynomial

encP - the encoded permutation

encH - the encoded canonical check matrix

encQInv - the encoded matrix used to compute square roots in (GF(2^m))^t

params - McElieceCCA2Parameters

Method Detail

getN

public int getN()

Returns:

the length of the code

getK

public int getK()

Returns:

the dimension of the code

getT

public int getT()

Returns:

the degree of the Goppa polynomial (error correcting capability)

getField

public GF2mField getField()

Returns:

the finite field

getGoppaPoly

public PolynomialGF2mSmallM getGoppaPoly()

Returns:

the irreducible Goppa polynomial

getP

public Permutation getP()

Returns:

the permutation P

getH

public GF2Matrix getH()

Returns:

the canonical check matrix H

getQInv

public PolynomialGF2mSmallM[] getQInv()

Returns:

the matrix used to compute square roots in (GF(2^m))^t

getOIDString

public java.lang.String getOIDString()