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-rw-r--r--security/nss/lib/freebl/mpi/tests/mptest-8.c68
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;
+}