git: 9front

ref: b7bbf17028b775ba74b83871b7cefa2b1ce46ab9
dir: /sys/src/cmd/auth/lib/getauthkey.c/

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#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;
}