xref: /illumos-gate/usr/src/common/mpi/mpprime.h (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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 #include "mpi.h"
53 
54 extern const int prime_tab_size;   /* number of primes available */
55 extern const mp_digit prime_tab[];
56 
57 /* Tests for divisibility    */
58 mp_err  mpp_divis(mp_int *a, mp_int *b);
59 mp_err  mpp_divis_d(mp_int *a, mp_digit d);
60 
61 /* Random selection          */
62 mp_err  mpp_random(mp_int *a);
63 mp_err  mpp_random_size(mp_int *a, mp_size prec);
64 
65 /* Pseudo-primality testing  */
66 mp_err  mpp_divis_vector(mp_int *a, const mp_digit *vec, int size, int *which);
67 mp_err  mpp_divis_primes(mp_int *a, mp_digit *np);
68 mp_err  mpp_fermat(mp_int *a, mp_digit w);
69 mp_err mpp_fermat_list(mp_int *a, const mp_digit *primes, mp_size nPrimes);
70 mp_err  mpp_pprime(mp_int *a, int nt);
71 mp_err mpp_sieve(mp_int *trial, const mp_digit *primes, mp_size nPrimes,
72 		 unsigned char *sieve, mp_size nSieve);
73 mp_err mpp_make_prime(mp_int *start, mp_size nBits, mp_size strong,
74 		      unsigned long * nTries);
75 
76 #endif /* _MP_PRIME_H */
77