org.bouncycastle.pqc.jcajce.spec

Class McElieceCCA2PrivateKeySpec

java.lang.Object

org.bouncycastle.pqc.jcajce.spec.McElieceCCA2PrivateKeySpec

All Implemented Interfaces:

KeySpec

public class McElieceCCA2PrivateKeySpec
extends Object
implements KeySpec

This class provides a specification for a McEliece CCA2 private key.

Constructor Summary

Constructors

Constructor and Description
McElieceCCA2PrivateKeySpec(String oid, int n, int k, byte[] encFieldPoly, byte[] encGoppaPoly, byte[] encP, byte[] encH, byte[][] encQInv) Constructor.
McElieceCCA2PrivateKeySpec(String oid, int n, int k, GF2mField field, PolynomialGF2mSmallM gp, Permutation p, GF2Matrix h, PolynomialGF2mSmallM[] qInv) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
GF2mField	getField()
PolynomialGF2mSmallM	getGoppaPoly()
GF2Matrix	getH()
int	getK()
int	getN()
String	getOIDString()
Permutation	getP()
PolynomialGF2mSmallM[]	getQInv()

Methods inherited from class java.lang.Object

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

Constructor Detail

McElieceCCA2PrivateKeySpec

public McElieceCCA2PrivateKeySpec(String oid,
                          int n,
                          int k,
                          GF2mField field,
                          PolynomialGF2mSmallM gp,
                          Permutation p,
                          GF2Matrix h,
                          PolynomialGF2mSmallM[] qInv)

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

McElieceCCA2PrivateKeySpec

public McElieceCCA2PrivateKeySpec(String oid,
                          int n,
                          int k,
                          byte[] encFieldPoly,
                          byte[] encGoppaPoly,
                          byte[] encP,
                          byte[] encH,
                          byte[][] encQInv)

Constructor.

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

Method Detail

getN

public int getN()

Returns:

the length of the code

getK

public int getK()

Returns:

the dimension of the code

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 String getOIDString()