#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__
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