diff options
Diffstat (limited to 'sys/dev/random/yarrow.c')
| -rw-r--r-- | sys/dev/random/yarrow.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/dev/random/yarrow.c b/sys/dev/random/yarrow.c index c6ae448..e5174d9 100644 --- a/sys/dev/random/yarrow.c +++ b/sys/dev/random/yarrow.c @@ -274,6 +274,25 @@ read_random(char *buf, u_int count) return retval; } +void +write_random(char *buf, u_int count) +{ + u_int i; + intrmask_t mask; + struct timespec nanotime; + + /* The reseed task must not be jumped on */ + mask = splsofttq(); + for (i = 0; i < count/sizeof(u_int64_t); i++) { + getnanotime(&nanotime); + random_harvest_internal(&nanotime, + *(u_int64_t *)&buf[i*sizeof(u_int64_t)], + 0, 0, RANDOM_WRITE); + } + reseed(FAST); + splx(mask); +} + static void generator_gate(void) { |
