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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/security/nss/lib/freebl/mpi/tests/mptest-8.c	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,65 @@
     1.4 +/*
     1.5 + *  Simple test driver for MPI library
     1.6 + *
     1.7 + *  Test 8: Probabilistic primality tester
     1.8 + *
     1.9 + * This Source Code Form is subject to the terms of the Mozilla Public
    1.10 + * License, v. 2.0. If a copy of the MPL was not distributed with this
    1.11 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
    1.12 +
    1.13 +#include <stdio.h>
    1.14 +#include <stdlib.h>
    1.15 +#include <string.h>
    1.16 +#include <ctype.h>
    1.17 +#include <limits.h>
    1.18 +#include <time.h>
    1.19 +
    1.20 +#define MP_IOFUNC 1
    1.21 +#include "mpi.h"
    1.22 +
    1.23 +#include "mpprime.h"
    1.24 +
    1.25 +int main(int argc, char *argv[])
    1.26 +{
    1.27 +  int       ix;
    1.28 +  mp_digit  num;
    1.29 +  mp_int    a;
    1.30 +
    1.31 +  srand(time(NULL));
    1.32 +
    1.33 +  if(argc < 2) {
    1.34 +    fprintf(stderr, "Usage: %s <a>\n", argv[0]);
    1.35 +    return 1;
    1.36 +  }
    1.37 +
    1.38 +  printf("Test 8: Probabilistic primality testing\n\n");
    1.39 +
    1.40 +  mp_init(&a);
    1.41 +
    1.42 +  mp_read_radix(&a, argv[1], 10);
    1.43 +
    1.44 +  printf("a = "); mp_print(&a, stdout); fputc('\n', stdout);
    1.45 +
    1.46 +  printf("\nChecking for divisibility by small primes ... \n");
    1.47 +  num = 170;
    1.48 +  if(mpp_divis_primes(&a, &num) == MP_YES) {
    1.49 +    printf("it is not prime\n");
    1.50 +    goto CLEANUP;
    1.51 +  }
    1.52 +  printf("Passed that test (not divisible by any small primes).\n");
    1.53 +
    1.54 +  for(ix = 0; ix < 10; ix++) {
    1.55 +    printf("\nPerforming Rabin-Miller test, iteration %d\n", ix + 1);
    1.56 +
    1.57 +    if(mpp_pprime(&a, 5) == MP_NO) {
    1.58 +      printf("it is not prime\n");
    1.59 +      goto CLEANUP;
    1.60 +    }
    1.61 +  }
    1.62 +  printf("All tests passed; a is probably prime\n");
    1.63 +
    1.64 +CLEANUP:
    1.65 +  mp_clear(&a);
    1.66 +
    1.67 +  return 0;
    1.68 +}