--- /dev/null
+#ifndef _AUTHOBJ_H
+#define _AUTHOBJ_H
+
+int make_authobj(const char *id, const char *pass, const char *nonce,
+ const unsigned char *secret, const int secsize,
+ const unsigned char *payload, const int paysize,
+ unsigned char *buffer, int *bufsize);
+int parse_authobj(const unsigned char *hmacdata, const int hmacdatasize,
+ const unsigned char *buffer, const int bufsize,
+ unsigned char *secret, int *secsize,
+ unsigned char *payload, int *paysize);
+
+#endif