diff options
Diffstat (limited to 'security/nss/lib/freebl/mpi/utils/gcd.c')
-rw-r--r-- | security/nss/lib/freebl/mpi/utils/gcd.c | 95 |
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 9f11a250b..000000000 --- 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); -} |