X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fecdh.h;h=0bfc271598b972117bf2c399b563f56cacd0f2be;hb=2d268fc06bc01419e7f7f32d4da1b560e72e4ad3;hp=6d3b2f10dbb222f1b93232f515ccf8dbee3e6612;hpb=0acdce222ff21c84cafc82c137e3d1e107a66fd9;p=tinc

diff --git a/src/ecdh.h b/src/ecdh.h
index 6d3b2f10..0bfc2715 100644
--- a/src/ecdh.h
+++ b/src/ecdh.h
@@ -1,3 +1,6 @@
+#ifndef TINC_ECDH_H
+#define TINC_ECDH_H
+
 /*
     ecdh.h -- header file for ecdh.c
     Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
@@ -17,18 +20,15 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_ECDH_H__
-#define __TINC_ECDH_H__
-
-#define ECDH_SIZE 67
-#define ECDH_SHARED_SIZE 66
+#define ECDH_SIZE 32
+#define ECDH_SHARED_SIZE 32
 
-#ifndef __TINC_ECDH_INTERNAL__
+#ifndef TINC_ECDH_INTERNAL
 typedef struct ecdh ecdh_t;
 #endif
 
-extern ecdh_t *ecdh_generate_public(void *pubkey);
-extern bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared);
+extern ecdh_t *ecdh_generate_public(void *pubkey) __attribute__((__malloc__));
+extern bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared) __attribute__((__warn_unused_result__));
 extern void ecdh_free(ecdh_t *ecdh);
 
 #endif