Differential D16898 Diff 47297 sys/dev/random/unit_test.c

Changeset View

Standalone View

sys/dev/random/unit_test.c

Show All 25 Lines
* $FreeBSD$		* $FreeBSD$
*/		*/

/*		/*
Build this by going:		Build this by going:

cc -g -O0 -pthread -DRANDOM_<alg> -I../.. -lstdthreads -Wall \		cc -g -O0 -pthread -DRANDOM_<alg> -I../.. -lstdthreads -Wall \
unit_test.c \		unit_test.c \
yarrow.c \
fortuna.c \		fortuna.c \
hash.c \		hash.c \
../../crypto/rijndael/rijndael-api-fst.c \		../../crypto/rijndael/rijndael-api-fst.c \
../../crypto/rijndael/rijndael-alg-fst.c \		../../crypto/rijndael/rijndael-alg-fst.c \
../../crypto/sha2/sha256c.c \		../../crypto/sha2/sha256c.c \
-lz \		-lz \
-o unit_test		-o unit_test
./unit_test		./unit_test

Where <alg> is YARROW or FORTUNA.		Where <alg> is FORTUNA. The parameterisation is a leftover from
		when Yarrow was an option, and remains to enable the testing of
		possible future algorithms.
*/		*/

#include <sys/types.h>		#include <sys/types.h>
#include <inttypes.h>		#include <inttypes.h>
#include <stdbool.h>		#include <stdbool.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <threads.h>		#include <threads.h>
▲ Show 20 Lines • Show All 99 Lines • ▼ Show 20 Lines	for (i = 0; ; i++) {
if (stopseeding)		if (stopseeding)
break;		break;
if (i % 1000 == 0)		if (i % 1000 == 0)
printf("Harvest: %d\n", i);		printf("Harvest: %d\n", i);
r = random()%10;		r = random()%10;
e.he_somecounter = i;		e.he_somecounter = i;
((uint64_t )e.he_entropy) = random();		((uint64_t )e.he_entropy) = random();
e.he_size = 8;		e.he_size = 8;
e.he_bits = random()%4;
e.he_destination = i;		e.he_destination = i;
e.he_source = (i + 3)%7;		e.he_source = (i + 3)%7;
e.he_next = NULL;		e.he_next = NULL;
random_alg_context.ra_event_processor(&e);		random_alg_context.ra_event_processor(&e);
usleep(r);		usleep(r);
}		}

printf("Thread #0 ends\n");		printf("Thread #0 ends\n");
▲ Show 20 Lines • Show All 99 Lines • Show Last 20 Lines