ref: a5a8a92adf39b1a4525d6b0ddebc75e6db03e5b3
dir: /sys/src/cmd/auth/wrkey.c/
#include <u.h>
#include <libc.h>
#include <authsrv.h>
void
main(void)
{
Nvrsafe safe;
if(readnvram(&safe, NVwrite) < 0)
sysfatal("error writing nvram: %r");
exits(0);
}