From b109ff7834f5cedcc6b23d0d0321a46a42281ba6 Mon Sep 17 00:00:00 2001
From: Jesper Louis Andersen <jesper.louis.andersen@gmail.com>
Date: Fri, 12 Dec 2014 02:45:12 +0100
Subject: [PATCH] Provide a type specification of enacl:randombytes/1

---
 src/enacl.erl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/enacl.erl b/src/enacl.erl
index 279705a..02dcd76 100644
--- a/src/enacl.erl
+++ b/src/enacl.erl
@@ -501,6 +501,7 @@ onetime_auth_key_size() -> enacl_nif:crypto_onetimeauth_KEYBYTES().
 %% It is up to you to pick a system with a appropriately strong (P)RNG for your purpose. We refer
 %% you to the underlying system implementations for random data.
 %% @end
+-spec randombytes(non_neg_integer()) -> binary().
 randombytes(N) when N =< ?RANDOMBYTES_SIZE ->
     bump(enacl_nif:randombytes_b(N), ?RANDOMBYTES_REDUCTIONS, ?RANDOMBYTES_SIZE, N);
 randombytes(N) ->