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-rw-r--r--src/lib/crypt_ops/crypto_rand.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/crypt_ops/crypto_rand.h b/src/lib/crypt_ops/crypto_rand.h
index 6eef22ed4d..bb424fd691 100644
--- a/src/lib/crypt_ops/crypto_rand.h
+++ b/src/lib/crypt_ops/crypto_rand.h
@@ -68,6 +68,9 @@ 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);
+#define crypto_fast_rng_one_in_n(rng, n) \
+ (0 == (crypto_fast_rng_get_uint((rng), (n))))
+
crypto_fast_rng_t *get_thread_fast_rng(void);
#ifdef CRYPTO_PRIVATE