Harald Welte | e72cf55 | 2016-04-28 07:18:49 +0200 | [diff] [blame] | 1 | /* (C) 2012 by Harald Welte <laforge@gnumonks.org> |
| 2 | * |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU Affero General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <stdint.h> |
| 24 | #include <unistd.h> |
| 25 | #include <sys/stat.h> |
| 26 | |
| 27 | static int rand_fd = -1; |
| 28 | int rand_init(void) |
| 29 | { |
| 30 | rand_fd = open("/dev/urandom", O_RDONLY); |
| 31 | |
| 32 | return rand_fd; |
| 33 | } |
| 34 | |
| 35 | int rand_get(uint8_t *rand, unsigned int len) |
| 36 | { |
| 37 | return read(rand_fd, rand, len); |
| 38 | } |