diff -r 509e9e1cbdcc -r 37fb12574acd libidav/utils.h
--- a/libidav/utils.h	Sat Oct 03 20:10:54 2015 +0200
+++ b/libidav/utils.h	Sun Oct 04 15:57:40 2015 +0200
@@ -91,6 +91,8 @@
 void util_generate_key(DavKey *key, char *password);
 char* util_key_input(DavContext *ctx, DavKey *key);
 
+char* util_hexstr(unsigned char *data, size_t len);
+
 #ifdef	__cplusplus
 }
 #endif