xref: /illumos-gate/usr/src/common/mpi/mpprime.h (revision c40a6cd7)
1f9fbec18Smcpowers /*
2f9fbec18Smcpowers  *  mpprime.h
3f9fbec18Smcpowers  *
4f9fbec18Smcpowers  *  Utilities for finding and working with prime and pseudo-prime
5f9fbec18Smcpowers  *  integers
6f9fbec18Smcpowers  *
7f9fbec18Smcpowers  * ***** BEGIN LICENSE BLOCK *****
8f9fbec18Smcpowers  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
9f9fbec18Smcpowers  *
10f9fbec18Smcpowers  * The contents of this file are subject to the Mozilla Public License Version
11f9fbec18Smcpowers  * 1.1 (the "License"); you may not use this file except in compliance with
12f9fbec18Smcpowers  * the License. You may obtain a copy of the License at
13f9fbec18Smcpowers  * http://www.mozilla.org/MPL/
14f9fbec18Smcpowers  *
15f9fbec18Smcpowers  * Software distributed under the License is distributed on an "AS IS" basis,
16f9fbec18Smcpowers  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
17f9fbec18Smcpowers  * for the specific language governing rights and limitations under the
18f9fbec18Smcpowers  * License.
19f9fbec18Smcpowers  *
20f9fbec18Smcpowers  * The Original Code is the MPI Arbitrary Precision Integer Arithmetic library.
21f9fbec18Smcpowers  *
22f9fbec18Smcpowers  * The Initial Developer of the Original Code is
23f9fbec18Smcpowers  * Michael J. Fromberger.
24f9fbec18Smcpowers  * Portions created by the Initial Developer are Copyright (C) 1997
25f9fbec18Smcpowers  * the Initial Developer. All Rights Reserved.
26f9fbec18Smcpowers  *
27f9fbec18Smcpowers  * Contributor(s):
28f9fbec18Smcpowers  *
29f9fbec18Smcpowers  * Alternatively, the contents of this file may be used under the terms of
30f9fbec18Smcpowers  * either the GNU General Public License Version 2 or later (the "GPL"), or
31f9fbec18Smcpowers  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
32f9fbec18Smcpowers  * in which case the provisions of the GPL or the LGPL are applicable instead
33f9fbec18Smcpowers  * of those above. If you wish to allow use of your version of this file only
34f9fbec18Smcpowers  * under the terms of either the GPL or the LGPL, and not to allow others to
35f9fbec18Smcpowers  * use your version of this file under the terms of the MPL, indicate your
36f9fbec18Smcpowers  * decision by deleting the provisions above and replace them with the notice
37f9fbec18Smcpowers  * and other provisions required by the GPL or the LGPL. If you do not delete
38f9fbec18Smcpowers  * the provisions above, a recipient may use your version of this file under
39f9fbec18Smcpowers  * the terms of any one of the MPL, the GPL or the LGPL.
40f9fbec18Smcpowers  *
41f9fbec18Smcpowers  * ***** END LICENSE BLOCK ***** */
42f9fbec18Smcpowers /*
43f9fbec18Smcpowers  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
44f9fbec18Smcpowers  * Use is subject to license terms.
45f9fbec18Smcpowers  *
46f9fbec18Smcpowers  * Sun elects to use this software under the MPL license.
47f9fbec18Smcpowers  */
48f9fbec18Smcpowers 
49f9fbec18Smcpowers #ifndef _MP_PRIME_H
50f9fbec18Smcpowers #define _MP_PRIME_H
51f9fbec18Smcpowers 
52f9fbec18Smcpowers #include "mpi.h"
53f9fbec18Smcpowers 
54f9fbec18Smcpowers extern const int prime_tab_size;   /* number of primes available */
55f9fbec18Smcpowers extern const mp_digit prime_tab[];
56f9fbec18Smcpowers 
57f9fbec18Smcpowers /* Tests for divisibility    */
58f9fbec18Smcpowers mp_err  mpp_divis(mp_int *a, mp_int *b);
59f9fbec18Smcpowers mp_err  mpp_divis_d(mp_int *a, mp_digit d);
60f9fbec18Smcpowers 
61f9fbec18Smcpowers /* Random selection          */
62f9fbec18Smcpowers mp_err  mpp_random(mp_int *a);
63f9fbec18Smcpowers mp_err  mpp_random_size(mp_int *a, mp_size prec);
64f9fbec18Smcpowers 
65f9fbec18Smcpowers /* Pseudo-primality testing  */
66f9fbec18Smcpowers mp_err  mpp_divis_vector(mp_int *a, const mp_digit *vec, int size, int *which);
67f9fbec18Smcpowers mp_err  mpp_divis_primes(mp_int *a, mp_digit *np);
68f9fbec18Smcpowers mp_err  mpp_fermat(mp_int *a, mp_digit w);
69f9fbec18Smcpowers mp_err mpp_fermat_list(mp_int *a, const mp_digit *primes, mp_size nPrimes);
70f9fbec18Smcpowers mp_err  mpp_pprime(mp_int *a, int nt);
71*c40a6cd7SToomas Soome mp_err mpp_sieve(mp_int *trial, const mp_digit *primes, mp_size nPrimes,
72f9fbec18Smcpowers 		 unsigned char *sieve, mp_size nSieve);
73f9fbec18Smcpowers mp_err mpp_make_prime(mp_int *start, mp_size nBits, mp_size strong,
74f9fbec18Smcpowers 		      unsigned long * nTries);
75f9fbec18Smcpowers 
76f9fbec18Smcpowers #endif /* _MP_PRIME_H */
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