/* (C) 2012 by Harald Welte <laforge@gnumonks.org> * * All Rights Reserved * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ #include <stdio.h> #include <fcntl.h> #include <stdint.h> #include <unistd.h> #include <sys/stat.h> static int rand_fd = -1; int rand_init(void) { rand_fd = open("/dev/urandom", O_RDONLY); return rand_fd; } int rand_get(uint8_t *rand, unsigned int len) { return read(rand_fd, rand, len); }