ref: 12fa017f3fc2687d3afb166fd30d9b134abb1da5
dir: /sys/src/cmd/auth/lib/getauthkey.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <authsrv.h> #include "authcmdlib.h" int getauthkey(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; }