usr/src/common/mpi/mpprime.h

   1 /*
   2  *  mpprime.h
   3  *
   4  *  Utilities for finding and working with prime and pseudo-prime
   5  *  integers
   6  *
   7  * ***** BEGIN LICENSE BLOCK *****
   8  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   9  *
  10  * The contents of this file are subject to the Mozilla Public License Version
  11  * 1.1 (the "License"); you may not use this file except in compliance with
  12  * the License. You may obtain a copy of the License at
  13  * http://www.mozilla.org/MPL/
  14  *
  15  * Software distributed under the License is distributed on an "AS IS" basis,
  16  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  17  * for the specific language governing rights and limitations under the
  18  * License.
  19  *
  20  * The Original Code is the MPI Arbitrary Precision Integer Arithmetic library.
  21  *
  22  * The Initial Developer of the Original Code is
  23  * Michael J. Fromberger.
  24  * Portions created by the Initial Developer are Copyright (C) 1997
  25  * the Initial Developer. All Rights Reserved.
  26  *
  27  * Contributor(s):
  28  *
  29  * Alternatively, the contents of this file may be used under the terms of
  30  * either the GNU General Public License Version 2 or later (the "GPL"), or
  31  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  32  * in which case the provisions of the GPL or the LGPL are applicable instead
  33  * of those above. If you wish to allow use of your version of this file only
  34  * under the terms of either the GPL or the LGPL, and not to allow others to
  35  * use your version of this file under the terms of the MPL, indicate your
  36  * decision by deleting the provisions above and replace them with the notice
  37  * and other provisions required by the GPL or the LGPL. If you do not delete
  38  * the provisions above, a recipient may use your version of this file under
  39  * the terms of any one of the MPL, the GPL or the LGPL.
  40  *
  41  * ***** END LICENSE BLOCK ***** */
  42 /*
  43  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  44  * Use is subject to license terms.
  45  *
  46  * Sun elects to use this software under the MPL license.
  47  */
  48
  49 #ifndef _MP_PRIME_H
  50 #define _MP_PRIME_H
  51
  52 #pragma ident   "%Z%%M% %I%     %E% SMI"
  53
  54 #include "mpi.h"
  55
  56 extern const int prime_tab_size;   /* number of primes available */
  57 extern const mp_digit prime_tab[];
  58
  59 /* Tests for divisibility    */
  60 mp_err  mpp_divis(mp_int *a, mp_int *b);
  61 mp_err  mpp_divis_d(mp_int *a, mp_digit d);
  62
  63 /* Random selection          */
  64 mp_err  mpp_random(mp_int *a);
  65 mp_err  mpp_random_size(mp_int *a, mp_size prec);
  66
  67 /* Pseudo-primality testing  */
  68 mp_err  mpp_divis_vector(mp_int *a, const mp_digit *vec, int size, int *which);
  69 mp_err  mpp_divis_primes(mp_int *a, mp_digit *np);
  70 mp_err  mpp_fermat(mp_int *a, mp_digit w);
  71 mp_err mpp_fermat_list(mp_int *a, const mp_digit *primes, mp_size nPrimes);
  72 mp_err  mpp_pprime(mp_int *a, int nt);
  73 mp_err mpp_sieve(mp_int *trial, const mp_digit *primes, mp_size nPrimes,
  74                  unsigned char *sieve, mp_size nSieve);
  75 mp_err mpp_make_prime(mp_int *start, mp_size nBits, mp_size strong,
  76                       unsigned long * nTries);
  77
  78 #endif /* _MP_PRIME_H */