diff options
Diffstat (limited to 'sys/dev/random/randomdev_soft.c')
| -rw-r--r-- | sys/dev/random/randomdev_soft.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/sys/dev/random/randomdev_soft.c b/sys/dev/random/randomdev_soft.c deleted file mode 100644 index 92b112a..0000000 --- a/sys/dev/random/randomdev_soft.c +++ /dev/null @@ -1,165 +0,0 @@ -/*- - * Copyright (c) 2000-2014 Mark R V Murray - * Copyright (c) 2004 Robert N. M. Watson - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer - * in this position and unchanged. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -/* - * This is the loadable infrastructure base file for software CSPRNG - * drivers such as Yarrow or Fortuna. - * - * It is anticipated that one instance of this file will be used - * for _each_ invocation of a CSPRNG, but with different #defines - * set. See below. - * - */ - -#include "opt_random.h" - -#if !defined(RANDOM_YARROW) && !defined(RANDOM_FORTUNA) -#define RANDOM_YARROW -#elif defined(RANDOM_YARROW) && defined(RANDOM_FORTUNA) -#error "Must define either RANDOM_YARROW or RANDOM_FORTUNA" -#endif - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/conf.h> -#include <sys/fcntl.h> -#include <sys/kernel.h> -#include <sys/lock.h> -#include <sys/malloc.h> -#include <sys/module.h> -#include <sys/mutex.h> -#include <sys/poll.h> -#include <sys/random.h> -#include <sys/sysctl.h> -#include <sys/unistd.h> - -#include <dev/random/randomdev.h> -#include <dev/random/randomdev_soft.h> -#include <dev/random/random_harvestq.h> -#include <dev/random/random_adaptors.h> -#if defined(RANDOM_YARROW) -#include <dev/random/yarrow.h> -#endif -#if defined(RANDOM_FORTUNA) -#include <dev/random/fortuna.h> -#endif - -static struct random_adaptor random_soft_processor = { -#if defined(RANDOM_YARROW) -#define RANDOM_CSPRNG_NAME "yarrow" - .ra_ident = "Yarrow", - .ra_priority = 90, /* High priority, so top of the list. Fortuna may still win. */ - .ra_read = random_yarrow_read, - .ra_write = random_yarrow_write, - .ra_reseed = random_yarrow_reseed, - .ra_seeded = random_yarrow_seeded, -#endif -#if defined(RANDOM_FORTUNA) -#define RANDOM_CSPRNG_NAME "fortuna" - .ra_ident = "Fortuna", - .ra_priority = 100, /* High priority, so top of the list. Beat Yarrow. */ - .ra_read = random_fortuna_read, - .ra_write = random_fortuna_write, - .ra_reseed = random_fortuna_reseed, - .ra_seeded = random_fortuna_seeded, -#endif - .ra_init = randomdev_init, - .ra_deinit = randomdev_deinit, -}; - -void -randomdev_init(void) -{ - -#if defined(RANDOM_YARROW) - random_yarrow_init_alg(); - random_harvestq_init(random_yarrow_process_event, 2); -#endif -#if defined(RANDOM_FORTUNA) - random_fortuna_init_alg(); - random_harvestq_init(random_fortuna_process_event, 32); -#endif - - /* Register the randomness harvesting routine */ - randomdev_init_harvester(random_harvestq_internal); -} - -void -randomdev_deinit(void) -{ - /* Deregister the randomness harvesting routine */ - randomdev_deinit_harvester(); - -#if defined(RANDOM_YARROW) - random_yarrow_deinit_alg(); -#endif -#if defined(RANDOM_FORTUNA) - random_fortuna_deinit_alg(); -#endif -} - -/* ARGSUSED */ -static int -randomdev_soft_modevent(module_t mod __unused, int type, void *unused __unused) -{ - int error = 0; - - switch (type) { - case MOD_LOAD: - printf("random: SOFT: %s init()\n", RANDOM_CSPRNG_NAME); - random_adaptor_register(RANDOM_CSPRNG_NAME, &random_soft_processor); - break; - - case MOD_UNLOAD: - random_adaptor_deregister(RANDOM_CSPRNG_NAME); - break; - - case MOD_SHUTDOWN: - break; - - default: - error = EOPNOTSUPP; - break; - - } - return (error); -} - -#if defined(RANDOM_YARROW) -DEV_MODULE(yarrow, randomdev_soft_modevent, NULL); -MODULE_VERSION(yarrow, 1); -MODULE_DEPEND(yarrow, randomdev, 1, 1, 1); -#endif -#if defined(RANDOM_FORTUNA) -DEV_MODULE(fortuna, randomdev_soft_modevent, NULL); -MODULE_VERSION(fortuna, 1); -MODULE_DEPEND(fortuna, randomdev, 1, 1, 1); -#endif |
