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