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-rw-r--r--security/nss/lib/freebl/mpi/tests/mptest-3.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/tests/mptest-3.c b/security/nss/lib/freebl/mpi/tests/mptest-3.c
new file mode 100644
index 000000000..86fb24654
--- /dev/null
+++ b/security/nss/lib/freebl/mpi/tests/mptest-3.c
@@ -0,0 +1,105 @@
+/*
+ * Simple test driver for MPI library
+ *
+ * Test 3: Multiplication, division, and exponentiation test
+ *
+ * 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>
+
+#include "mpi.h"
+
+#define EXPT 0 /* define nonzero to get exponentiate test */
+
+int
+main(int argc, char *argv[])
+{
+ int ix;
+ mp_int a, b, c, d;
+ mp_digit r;
+ mp_err res;
+
+ if (argc < 3) {
+ fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
+ return 1;
+ }
+
+ printf("Test 3: Multiplication and division\n\n");
+ srand(time(NULL));
+
+ mp_init(&a);
+ mp_init(&b);
+
+ mp_read_variable_radix(&a, argv[1], 10);
+ mp_read_variable_radix(&b, argv[2], 10);
+ printf("a = ");
+ mp_print(&a, stdout);
+ fputc('\n', stdout);
+ printf("b = ");
+ mp_print(&b, stdout);
+ fputc('\n', stdout);
+
+ mp_init(&c);
+ printf("\nc = a * b\n");
+
+ mp_mul(&a, &b, &c);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+
+ printf("\nc = b * 32523\n");
+
+ mp_mul_d(&b, 32523, &c);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+
+ mp_init(&d);
+ printf("\nc = a / b, d = a mod b\n");
+
+ mp_div(&a, &b, &c, &d);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+ printf("d = ");
+ mp_print(&d, stdout);
+ fputc('\n', stdout);
+
+ ix = rand() % 256;
+ printf("\nc = a / %d, r = a mod %d\n", ix, ix);
+ mp_div_d(&a, (mp_digit)ix, &c, &r);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+ printf("r = %04X\n", r);
+
+#if EXPT
+ printf("\nc = a ** b\n");
+ mp_expt(&a, &b, &c);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+#endif
+
+ ix = rand() % 256;
+ printf("\nc = 2^%d\n", ix);
+ mp_2expt(&c, ix);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+
+ mp_clear(&d);
+ mp_clear(&c);
+ mp_clear(&b);
+ mp_clear(&a);
+
+ return 0;
+}