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 0000000000..dff3ed4701
--- /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;
+}