| /* |
| * rngd_linux.h -- Entropy sink for the Linux Kernel (/dev/random) |
| * |
| * Copyright (C) 2001 Philipp Rumpf |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef RNGD_LINUX__H |
| #define RNGD_LINUX__H |
| |
| #include "rng-tools-config.h" |
| |
| #include <unistd.h> |
| #include <stdint.h> |
| |
| /* The default watermark level for this platform */ |
| extern int default_watermark(void); |
| |
| /* |
| * Initialize the interface to the Linux Kernel |
| * entropy pool (through /dev/random) |
| * |
| * randomdev is the path to the random device |
| */ |
| extern void init_kernel_rng(const char* randomdev); |
| |
| /* Send entropy to the kernel */ |
| extern void random_add_entropy(void *buf, size_t size); |
| |
| /* Sleep until the kernel is hungry for entropy */ |
| extern void random_sleep(void); |
| |
| #endif /* RNGD_LINUX__H */ |
| |