org.spongycastle.pqc.crypto.mceliece

Class McElieceCCA2PrivateKeyParameters

java.lang.Object

org.spongycastle.crypto.params.AsymmetricKeyParameter

org.spongycastle.pqc.crypto.mceliece.McElieceCCA2KeyParameters

org.spongycastle.pqc.crypto.mceliece.McElieceCCA2PrivateKeyParameters

All Implemented Interfaces:

CipherParameters

public class McElieceCCA2PrivateKeyParameters
extends McElieceCCA2KeyParameters

Constructor Summary

Constructors

Constructor and Description
McElieceCCA2PrivateKeyParameters(int n, int k, GF2mField field, PolynomialGF2mSmallM gp, GF2Matrix canonicalCheckMatrix, Permutation p, java.lang.String digest) Constructor.
McElieceCCA2PrivateKeyParameters(int n, int k, GF2mField field, PolynomialGF2mSmallM gp, Permutation p, java.lang.String digest) Constructor.

Method Summary

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

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

getDigest

Methods inherited from class org.spongycastle.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(int n,
                                        int k,
                                        GF2mField field,
                                        PolynomialGF2mSmallM gp,
                                        Permutation p,
                                        java.lang.String digest)

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

digest - name of digest algorithm

McElieceCCA2PrivateKeyParameters

public McElieceCCA2PrivateKeyParameters(int n,
                                        int k,
                                        GF2mField field,
                                        PolynomialGF2mSmallM gp,
                                        GF2Matrix canonicalCheckMatrix,
                                        Permutation p,
                                        java.lang.String digest)

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

canonicalCheckMatrix - the canonical check matrix

p - the permutation

digest - name of digest algorithm

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