diff options
Diffstat (limited to 'sys/dev/random/yarrow.h')
| -rw-r--r-- | sys/dev/random/yarrow.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/random/yarrow.h b/sys/dev/random/yarrow.h index 3c76d96..d605356 100644 --- a/sys/dev/random/yarrow.h +++ b/sys/dev/random/yarrow.h @@ -31,7 +31,10 @@ * an enum in sys/random.h */ +/* The ring size _MUST_ be a power of 2 */ #define HARVEST_RING_SIZE 1024 /* harvest ring buffer size */ +#define HARVEST_RING_MASK (HARVEST_RING_SIZE - 1) + #define TIMEBIN 16 /* max value for Pt/t */ #define HARVESTSIZE 16 /* max size of each harvested entropy unit */ @@ -72,6 +75,7 @@ struct random_state { int which; /* toggle - shows the current insertion pool */ int seeded; /* 0 causes blocking 1 allows normal output */ struct selinfo rsel; /* For poll(2) */ + u_char raw[HARVESTSIZE];/* Raw buffer for checking */ }; extern struct random_state random_state; |
