git.distorted.org.uk Git - u/mdw/catacomb/blob - prim.h

   1 /* -*-c-*-
   2  *
   3  * $Id: prim.h,v 1.1 1999/12/22 15:58:59 mdw Exp $
   4  *
   5  * Finding primitive elements
   6  *
   7  * (c) 1999 Straylight/Edgeware
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of Catacomb.
  13  *
  14  * Catacomb is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU Library General Public License as
  16  * published by the Free Software Foundation; either version 2 of the
  17  * License, or (at your option) any later version.
  18  *
  19  * Catacomb is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU Library General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU Library General Public
  25  * License along with Catacomb; if not, write to the Free
  26  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  27  * MA 02111-1307, USA.
  28  */
  29
  30 /*----- Revision history --------------------------------------------------*
  31  *
  32  * $Log: prim.h,v $
  33  * Revision 1.1  1999/12/22 15:58:59  mdw
  34  * Search for primitive elements using prime-search equipment.
  35  *
  36  */
  37
  38 #ifndef CATACOMB_PRIM_H
  39 #define CATACOMB_PRIM_H
  40
  41 #ifdef __cplusplus
  42   extern "C" {
  43 #endif
  44
  45 /*----- Header files ------------------------------------------------------*/
  46
  47 #include <stddef.h>
  48
  49 #ifndef CATACOMB_MP_H
  50 #  include "mp.h"
  51 #endif
  52
  53 #ifndef CATACOMB_MPMONT_H
  54 #  include "mpmont.h"
  55 #endif
  56
  57 #ifndef CATACOMB_PGEN_H
  58 #  include "pgen.h"
  59 #endif
  60
  61 /*----- Data structures ---------------------------------------------------*/
  62
  63 /* --- @prim_ctx@ --- *
  64  *
  65  * All fields must be configured by the client.  Set @n@ to zero to discover
  66  * generators of the subgroup of order %$m / f$%.
  67  */
  68
  69 typedef struct prim_ctx {
  70   mpmont mm;                            /* Montgomery context for modulus */
  71   mp *f;                                /* Array of factors */
  72   size_t n;                             /* Number of factors */
  73 } prim_ctx;
  74
  75 /*----- Functions provided ------------------------------------------------*/
  76
  77 /* --- @prim_test@ --- */
  78
  79 extern int prim_test(int /*rq*/, pgen_event */*ev*/, void */*p*/);
  80
  81 /* --- @prim_step@ --- */
  82
  83 extern int prim_step(int /*rq*/, pgen_event */*ev*/, void */*p*/);
  84
  85 /*----- That's all, folks -------------------------------------------------*/
  86
  87 #ifdef __cplusplus
  88   }
  89 #endif
  90
  91 #endif