X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprf.h;h=7e5e4e6debb17ffd4a714f8db06842ba4e72ae36;hb=b13e1a3c1f7252cda5ab95166d9f2d578983471f;hp=f7ecc644f92a2c2834f5edd0d473ccd7373e2262;hpb=0acdce222ff21c84cafc82c137e3d1e107a66fd9;p=tinc

diff --git a/src/prf.h b/src/prf.h
index f7ecc644..7e5e4e6d 100644
--- a/src/prf.h
+++ b/src/prf.h
@@ -1,3 +1,6 @@
+#ifndef TINC_PRF_H
+#define TINC_PRF_H
+
 /*
     prf.h -- header file for prf.c
     Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
@@ -17,9 +20,8 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_PRF_H__
-#define __TINC_PRF_H__
+#include "system.h"
 
-extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen);
+extern bool prf(const uint8_t *secret, size_t secretlen, uint8_t *seed, size_t seedlen, uint8_t *out, size_t outlen) __attribute__((__warn_unused_result__));
 
 #endif