commit 9f9113a7bb736a835f978d27e95603c8d6f52b7c
author Paul Kehrer <paul.l.kehrer@gmail.com> Tue Sep 20 20:10:25 2016 -0500
committer Alex Gaynor <alex.gaynor@gmail.com> Tue Sep 20 21:10:25 2016 -0400
tree b91f8e803968018557711cf2e4d9ee64910ea7b0
parent 6b68c0e6ce6c19c6985505f0dd1340d44bda1b04

fix cffi warnings for proper buffer types (#545)

src/OpenSSL/rand.py

diff --git a/src/OpenSSL/rand.py b/src/OpenSSL/rand.py
index 087b243..cce1327 100644
--- a/src/OpenSSL/rand.py
+++ b/src/OpenSSL/rand.py
@@ -54,7 +54,7 @@
     if num_bytes < 0:
         raise ValueError("num_bytes must not be negative")
 
-    result_buffer = _ffi.new("char[]", num_bytes)
+    result_buffer = _ffi.new("unsigned char[]", num_bytes)
     result_code = _lib.RAND_bytes(result_buffer, num_bytes)
     if result_code == -1:
         # TODO: No tests for this code path.  Triggering a RAND_bytes failure