ref: 1ae5f49da652bd01227e6ed5b22dbcedac6d8b36
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);
}