diff options
| -rw-r--r-- | src/lib/crypt_ops/crypto_rand.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/crypt_ops/crypto_rand.h b/src/lib/crypt_ops/crypto_rand.h index bb424fd691..6f09aedf6a 100644 --- a/src/lib/crypt_ops/crypto_rand.h +++ b/src/lib/crypt_ops/crypto_rand.h @@ -68,6 +68,12 @@ unsigned crypto_fast_rng_get_uint(crypto_fast_rng_t *rng, unsigned limit); uint64_t crypto_fast_rng_get_uint64(crypto_fast_rng_t *rng, uint64_t limit); double crypto_fast_rng_get_double(crypto_fast_rng_t *rng); +/** + * Using the fast_rng <b>rng</b>, yield true with probability + * 1/<b>n</b>. Otherwise yield false. + * + * <b>n</b> must not be zero. + **/ #define crypto_fast_rng_one_in_n(rng, n) \ (0 == (crypto_fast_rng_get_uint((rng), (n)))) |