security/nss/lib/freebl/mpi/tests/mptest-7.c

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * Simple test driver for MPI library
michael@0 3 *
michael@0 4 * Test 7: Random and divisibility tests
michael@0 5 *
michael@0 6 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 7 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 8 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 9
michael@0 10 #include <stdio.h>
michael@0 11 #include <stdlib.h>
michael@0 12 #include <string.h>
michael@0 13 #include <ctype.h>
michael@0 14 #include <limits.h>
michael@0 15 #include <time.h>
michael@0 16
michael@0 17 #define MP_IOFUNC 1
michael@0 18 #include "mpi.h"
michael@0 19
michael@0 20 #include "mpprime.h"
michael@0 21
michael@0 22 int main(int argc, char *argv[])
michael@0 23 {
michael@0 24 mp_digit num;
michael@0 25 mp_int a, b;
michael@0 26
michael@0 27 srand(time(NULL));
michael@0 28
michael@0 29 if(argc < 3) {
michael@0 30 fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
michael@0 31 return 1;
michael@0 32 }
michael@0 33
michael@0 34 printf("Test 7: Random & divisibility tests\n\n");
michael@0 35
michael@0 36 mp_init(&a);
michael@0 37 mp_init(&b);
michael@0 38
michael@0 39 mp_read_radix(&a, argv[1], 10);
michael@0 40 mp_read_radix(&b, argv[2], 10);
michael@0 41
michael@0 42 printf("a = "); mp_print(&a, stdout); fputc('\n', stdout);
michael@0 43 printf("b = "); mp_print(&b, stdout); fputc('\n', stdout);
michael@0 44
michael@0 45 if(mpp_divis(&a, &b) == MP_YES)
michael@0 46 printf("a is divisible by b\n");
michael@0 47 else
michael@0 48 printf("a is not divisible by b\n");
michael@0 49
michael@0 50 if(mpp_divis(&b, &a) == MP_YES)
michael@0 51 printf("b is divisible by a\n");
michael@0 52 else
michael@0 53 printf("b is not divisible by a\n");
michael@0 54
michael@0 55 printf("\nb = mpp_random()\n");
michael@0 56 mpp_random(&b);
michael@0 57 printf("b = "); mp_print(&b, stdout); fputc('\n', stdout);
michael@0 58 mpp_random(&b);
michael@0 59 printf("b = "); mp_print(&b, stdout); fputc('\n', stdout);
michael@0 60 mpp_random(&b);
michael@0 61 printf("b = "); mp_print(&b, stdout); fputc('\n', stdout);
michael@0 62
michael@0 63 printf("\nTesting a for divisibility by first 170 primes\n");
michael@0 64 num = 170;
michael@0 65 if(mpp_divis_primes(&a, &num) == MP_YES)
michael@0 66 printf("It is divisible by at least one of them\n");
michael@0 67 else
michael@0 68 printf("It is not divisible by any of them\n");
michael@0 69
michael@0 70 mp_clear(&b);
michael@0 71 mp_clear(&a);
michael@0 72
michael@0 73 return 0;
michael@0 74 }

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