Bouncy Castle Cryptography Library 1.49

org.bouncycastle.pqc.jcajce.spec
Class McElieceCCA2PrivateKeySpec

java.lang.Object
  extended by org.bouncycastle.pqc.jcajce.spec.McElieceCCA2PrivateKeySpec
All Implemented Interfaces:
java.security.spec.KeySpec

public class McElieceCCA2PrivateKeySpec
extends java.lang.Object
implements java.security.spec.KeySpec

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

See Also:
JDKMcElieceCCA2PrivateKey

Constructor Summary
McElieceCCA2PrivateKeySpec(java.lang.String oid, int n, int k, byte[] encFieldPoly, byte[] encGoppaPoly, byte[] encP, byte[] encH, byte[][] encQInv)
          Constructor used by the McElieceKeyFactory.
McElieceCCA2PrivateKeySpec(java.lang.String oid, int n, int k, GF2mField field, PolynomialGF2mSmallM gp, Permutation p, GF2Matrix h, PolynomialGF2mSmallM[] qInv)
          Constructor.
 
Method Summary
 GF2mField getField()
           
 PolynomialGF2mSmallM getGoppaPoly()
           
 GF2Matrix getH()
           
 int getK()
           
 int getN()
           
 java.lang.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(java.lang.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(2m)
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(java.lang.String oid,
                                  int n,
                                  int k,
                                  byte[] encFieldPoly,
                                  byte[] encGoppaPoly,
                                  byte[] encP,
                                  byte[] encH,
                                  byte[][] encQInv)
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(2m)
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 java.lang.String getOIDString()

Bouncy Castle Cryptography Library 1.49