diff options
Diffstat (limited to 'security/nss/lib/freebl/mpi/tests/mptest-8.c')
-rw-r--r-- | security/nss/lib/freebl/mpi/tests/mptest-8.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/tests/mptest-8.c b/security/nss/lib/freebl/mpi/tests/mptest-8.c new file mode 100644 index 000000000..a9d3afff9 --- /dev/null +++ b/security/nss/lib/freebl/mpi/tests/mptest-8.c @@ -0,0 +1,68 @@ +/* + * Simple test driver for MPI library + * + * Test 8: Probabilistic primality tester + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <limits.h> +#include <time.h> + +#define MP_IOFUNC 1 +#include "mpi.h" + +#include "mpprime.h" + +int +main(int argc, char *argv[]) +{ + int ix; + mp_digit num; + mp_int a; + + srand(time(NULL)); + + if (argc < 2) { + fprintf(stderr, "Usage: %s <a>\n", argv[0]); + return 1; + } + + printf("Test 8: Probabilistic primality testing\n\n"); + + mp_init(&a); + + mp_read_radix(&a, argv[1], 10); + + printf("a = "); + mp_print(&a, stdout); + fputc('\n', stdout); + + printf("\nChecking for divisibility by small primes ... \n"); + num = 170; + if (mpp_divis_primes(&a, &num) == MP_YES) { + printf("it is not prime\n"); + goto CLEANUP; + } + printf("Passed that test (not divisible by any small primes).\n"); + + for (ix = 0; ix < 10; ix++) { + printf("\nPerforming Rabin-Miller test, iteration %d\n", ix + 1); + + if (mpp_pprime(&a, 5) == MP_NO) { + printf("it is not prime\n"); + goto CLEANUP; + } + } + printf("All tests passed; a is probably prime\n"); + +CLEANUP: + mp_clear(&a); + + return 0; +} |