Avoid the use of rand() in tests.

We control the random functions in crypto_core, so we can make them
deterministic more easily. This will help test reproducibility in the
future.

1 files changed, 5 insertions, 0 deletions

diff --git a/toxcore/crypto_core.h b/toxcore/crypto_core.h
index 2c83fd25..e7e913b6 100644
--- a/toxcore/crypto_core.h
+++ b/toxcore/crypto_core.h
@@ -127,6 +127,11 @@ void crypto_sha512(uint8_t *hash, const uint8_t *data, size_t length);
 int32_t public_key_cmp(const uint8_t *pk1, const uint8_t *pk2);
 
 /**
+ * Return a random 8 bit integer.
+ */
+uint8_t random_u08(void);
+
+/**
  * Return a random 16 bit integer.
  */
 uint16_t random_u16(void);