638  * issue a challenge
642 	struct rxkad_challenge challenge;  in rxkad_issue_challenge()  local
654 	challenge.version	= htonl(2);  in rxkad_issue_challenge()
655 	challenge.nonce		= htonl(conn->rxkad.nonce);  in rxkad_issue_challenge()
656 	challenge.min_level	= htonl(0);  in rxkad_issue_challenge()
657 	challenge.__padding	= 0;  in rxkad_issue_challenge()
678 	iov[1].iov_base	= &challenge;  in rxkad_issue_challenge()
679 	iov[1].iov_len	= sizeof(challenge);  in rxkad_issue_challenge()
800  * respond to a challenge packet
806 	struct rxkad_challenge challenge;  in rxkad_respond_to_challenge()  local
824 			  &challenge, sizeof(challenge)) < 0)  in rxkad_respond_to_challenge()
828 	version = ntohl(challenge.version);  in rxkad_respond_to_challenge()
829 	nonce = ntohl(challenge.nonce);  in rxkad_respond_to_challenge()
830 	min_level = ntohl(challenge.min_level);  in rxkad_respond_to_challenge()
1207 	 * ENOMEM.  We just want to send the challenge again.  Note that we  in rxkad_verify_response()