summaryrefslogtreecommitdiff
path: root/security/nss/lib/freebl/mpi/utils/gcd.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/nss/lib/freebl/mpi/utils/gcd.c')
-rw-r--r--security/nss/lib/freebl/mpi/utils/gcd.c116
1 files changed, 0 insertions, 116 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 b36c7f281..000000000
--- a/security/nss/lib/freebl/mpi/utils/gcd.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * gcd.c
- *
- * Greatest common divisor
- *
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the MPI Arbitrary Precision Integer Arithmetic
- * library.
- *
- * The Initial Developer of the Original Code is Michael J. Fromberger.
- * Portions created by Michael J. Fromberger are
- * Copyright (C) 1998, 1999, 2000 Michael J. Fromberger.
- * All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the GPL.
- *
- * $Id$
- */
-
-#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);
-
-}