eliptic.h

Crypto code for the Elliptic Curce Cryptography

/******   eliptic.h   *****/
/****************************************************************
*                                                               *
*       These are structures used to create elliptic curve      *
*  points and parameters.  "form" is a just a fast way to check *
*  if a2 == 0.                                                  *
*               form            equation                        *
*                                                               *
*                0              y^2 + xy = x^3 + a_6            *
*                1              y^2 + xy = x^3 + a_2*x^2 + a_6  *

 CONSTANT PARAMETER_A : std_logic_vector( PSIZE-1 DOWNTO 0 ) := (
     161 => '1', 7 => '1', 6 => '1', 3 => '1',0 => '1', OTHERS => '0');
     
     Parametr A2 je A         
     B je nedef co dat za a6
     forma je 1
     
     vygenerovat krivku s B dopocinatny a a2 je A
     nebo nejakou elip krivku a stanovte
*                                                A          B   *
****************************************************************/
#ifndef ELIPTIC_H
#define ELIPTIC_H 1

typedef struct 
{
        INDEX   form;
        FIELD2N  a2;
        FIELD2N  a6;
} CURVE;


typedef struct 
{
        FIELD2N  x;
        FIELD2N  y;
} POINT;

#endif