#include <u.h>#include <libc.h>#include <bio.h>#include <authsrv.h>#include "authcmdlib.h" intgetauthkey(Authkey *authkey){	Nvrsafe safe; 	memset(authkey, 0, sizeof(Authkey));	if(readnvram(&safe, 0) < 0){		print("can't read NVRAM, please enter machine key\n");		getpass(authkey, nil, 0, 1);	} else {		memmove(authkey->des, safe.machkey, DESKEYLEN);		memmove(authkey->aes, safe.aesmachkey, AESKEYLEN);		memset(&safe, 0, sizeof safe);	}	return 1;}