make_key(const char *userid, const char *password, const char *nonce,
const unsigned char *secret, const int secsize,
struct _auth_chunk (*fetch_key)(const unsigned char *chal,
make_key(const char *userid, const char *password, const char *nonce,
const unsigned char *secret, const int secsize,
struct _auth_chunk (*fetch_key)(const unsigned char *chal,