Field Detail

• DEFAULT_M

  public static final int DEFAULT_M

  The default extension degree

  See Also:

  Constant Field Values

• DEFAULT_T

  public static final int DEFAULT_T

  The default error correcting capability.

  See Also:

  Constant Field Values

Constructor Detail

• McElieceParameters

  public McElieceParameters()

  Constructor. Set the default parameters: extension degree.

• McElieceParameters

  public McElieceParameters​(Digest digest)

• McElieceParameters

  public McElieceParameters​(int keysize)

  Constructor.

  Parameters:

  keysize - the length of a Goppa code

  Throws:

  java.lang.IllegalArgumentException - if keysize < 1.

• McElieceParameters

  public McElieceParameters​(int keysize,
                            Digest digest)

  Constructor.

  Parameters:

  keysize - the length of a Goppa code

  digest - CCA2 mode digest

  Throws:

  java.lang.IllegalArgumentException - if keysize < 1.

• McElieceParameters

  public McElieceParameters​(int m,
                            int t)

  Constructor.

  Parameters:

  m - degree of the finite field GF(2^m)

  t - error correction capability of the code

  Throws:

  java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n.

• McElieceParameters

  public McElieceParameters​(int m,
                            int t,
                            Digest digest)

  Constructor.

  Parameters:

  m - degree of the finite field GF(2^m)

  t - error correction capability of the code

  Throws:

  java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n.

• McElieceParameters

  public McElieceParameters​(int m,
                            int t,
                            int poly)

  Constructor.

  Parameters:

  m - degree of the finite field GF(2^m)

  t - error correction capability of the code

  poly - the field polynomial

  Throws:

  java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n or poly is not an irreducible field polynomial.

• McElieceParameters

  public McElieceParameters​(int m,
                            int t,
                            int poly,
                            Digest digest)

  Constructor.

  Parameters:

  m - degree of the finite field GF(2^m)

  t - error correction capability of the code

  poly - the field polynomial

  digest - CCA2 mode digest

  Throws:

  java.lang.IllegalArgumentException - if m < 1 or m > 32 or t < 0 or t > n or poly is not an irreducible field polynomial.

Method Detail

• getM

  public int getM()

  Returns:

  the extension degree of the finite field GF(2^m)

• getN

  public int getN()

  Returns:

  the length of the code

• getT

  public int getT()

  Returns:

  the error correction capability of the code

• getFieldPoly

  public int getFieldPoly()

  Returns:

  the field polynomial