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path: root/security/nss/lib/freebl/mpi/utils/gcd.c
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Diffstat (limited to 'security/nss/lib/freebl/mpi/utils/gcd.c')
-rw-r--r--security/nss/lib/freebl/mpi/utils/gcd.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/security/nss/lib/freebl/mpi/utils/gcd.c b/security/nss/lib/freebl/mpi/utils/gcd.c
deleted file mode 100644
index 9f11a250b1..0000000000
--- a/security/nss/lib/freebl/mpi/utils/gcd.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * gcd.c
- *
- * Greatest common divisor
- *
- * 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 "mpi.h"
-
-char *g_prog = NULL;
-
-void print_mp_int(mp_int *mp, FILE *ofp);
-
-int
-main(int argc, char *argv[])
-{
- mp_int a, b, x, y;
- mp_err res;
- int ext = 0;
-
- g_prog = argv[0];
-
- if (argc < 3) {
- fprintf(stderr, "Usage: %s <a> <b>\n", g_prog);
- return 1;
- }
-
- mp_init(&a);
- mp_read_radix(&a, argv[1], 10);
- mp_init(&b);
- mp_read_radix(&b, argv[2], 10);
-
- /* If we were called 'xgcd', compute x, y so that g = ax + by */
- if (strcmp(g_prog, "xgcd") == 0) {
- ext = 1;
- mp_init(&x);
- mp_init(&y);
- }
-
- if (ext) {
- if ((res = mp_xgcd(&a, &b, &a, &x, &y)) != MP_OKAY) {
- fprintf(stderr, "%s: error: %s\n", g_prog, mp_strerror(res));
- mp_clear(&a);
- mp_clear(&b);
- mp_clear(&x);
- mp_clear(&y);
- return 1;
- }
- } else {
- if ((res = mp_gcd(&a, &b, &a)) != MP_OKAY) {
- fprintf(stderr, "%s: error: %s\n", g_prog,
- mp_strerror(res));
- mp_clear(&a);
- mp_clear(&b);
- return 1;
- }
- }
-
- print_mp_int(&a, stdout);
- if (ext) {
- fputs("x = ", stdout);
- print_mp_int(&x, stdout);
- fputs("y = ", stdout);
- print_mp_int(&y, stdout);
- }
-
- mp_clear(&a);
- mp_clear(&b);
-
- if (ext) {
- mp_clear(&x);
- mp_clear(&y);
- }
-
- return 0;
-}
-
-void
-print_mp_int(mp_int *mp, FILE *ofp)
-{
- char *buf;
- int len;
-
- len = mp_radix_size(mp, 10);
- buf = calloc(len, sizeof(char));
- mp_todecimal(mp, buf);
- fprintf(ofp, "%s\n", buf);
- free(buf);
-}