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-rw-r--r--security/nss/lib/freebl/mpi/tests/mptest-5.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/tests/mptest-5.c b/security/nss/lib/freebl/mpi/tests/mptest-5.c
new file mode 100644
index 000000000..dff3ed470
--- /dev/null
+++ b/security/nss/lib/freebl/mpi/tests/mptest-5.c
@@ -0,0 +1,85 @@
+/*
+ * Simple test driver for MPI library
+ *
+ * Test 5: Other number theoretic functions
+ *
+ * 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 "mpi.h"
+
+int
+main(int argc, char *argv[])
+{
+ mp_int a, b, c, x, y;
+
+ if (argc < 3) {
+ fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
+ return 1;
+ }
+
+ printf("Test 5: Number theoretic functions\n\n");
+
+ mp_init(&a);
+ mp_init(&b);
+
+ mp_read_radix(&a, argv[1], 10);
+ mp_read_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_gcd(&a, &b, &c);
+ printf("Euclid: c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+ /*
+ mp_bgcd(&a, &b, &c);
+ printf("Binary: c = "); mp_print(&c, stdout); fputc('\n', stdout);
+ */
+ mp_init(&x);
+ mp_init(&y);
+ printf("\nc = (a, b) = ax + by\n");
+
+ mp_xgcd(&a, &b, &c, &x, &y);
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+ printf("x = ");
+ mp_print(&x, stdout);
+ fputc('\n', stdout);
+ printf("y = ");
+ mp_print(&y, stdout);
+ fputc('\n', stdout);
+
+ printf("\nc = a^-1 (mod b)\n");
+ if (mp_invmod(&a, &b, &c) == MP_UNDEF) {
+ printf("a has no inverse mod b\n");
+ } else {
+ printf("c = ");
+ mp_print(&c, stdout);
+ fputc('\n', stdout);
+ }
+
+ mp_clear(&y);
+ mp_clear(&x);
+ mp_clear(&c);
+ mp_clear(&b);
+ mp_clear(&a);
+
+ return 0;
+}