Example #1
0
func (am *Manager) Import(path string, keyAuth string) (Account, error) {
	privateKeyECDSA, err := crypto.LoadECDSA(path)
	if err != nil {
		return Account{}, err
	}
	key := crypto.NewKeyFromECDSA(privateKeyECDSA)
	if err = am.keyStore.StoreKey(key, keyAuth); err != nil {
		return Account{}, err
	}
	return Account{Address: key.Address}, nil
}
Example #2
0
// MakeNodeKey creates a node key from set command line flags.
func MakeNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey) {
	hex, file := ctx.GlobalString(NodeKeyHexFlag.Name), ctx.GlobalString(NodeKeyFileFlag.Name)
	var err error
	switch {
	case file != "" && hex != "":
		Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
	case file != "":
		if key, err = crypto.LoadECDSA(file); err != nil {
			Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
		}
	case hex != "":
		if key, err = crypto.HexToECDSA(hex); err != nil {
			Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
		}
	}
	return key
}
Example #3
0
func main() {
	var (
		listenAddr  = flag.String("addr", ":30301", "listen address")
		genKey      = flag.String("genkey", "", "generate a node key and quit")
		nodeKeyFile = flag.String("nodekey", "", "private key filename")
		nodeKeyHex  = flag.String("nodekeyhex", "", "private key as hex (for testing)")
		natdesc     = flag.String("nat", "none", "port mapping mechanism (any|none|upnp|pmp|extip:<IP>)")

		nodeKey *ecdsa.PrivateKey
		err     error
	)
	flag.Parse()
	logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.DebugLevel))

	if *genKey != "" {
		writeKey(*genKey)
		os.Exit(0)
	}

	natm, err := nat.Parse(*natdesc)
	if err != nil {
		log.Fatalf("-nat: %v", err)
	}
	switch {
	case *nodeKeyFile == "" && *nodeKeyHex == "":
		log.Fatal("Use -nodekey or -nodekeyhex to specify a private key")
	case *nodeKeyFile != "" && *nodeKeyHex != "":
		log.Fatal("Options -nodekey and -nodekeyhex are mutually exclusive")
	case *nodeKeyFile != "":
		if nodeKey, err = crypto.LoadECDSA(*nodeKeyFile); err != nil {
			log.Fatalf("-nodekey: %v", err)
		}
	case *nodeKeyHex != "":
		if nodeKey, err = crypto.HexToECDSA(*nodeKeyHex); err != nil {
			log.Fatalf("-nodekeyhex: %v", err)
		}
	}

	if _, err := discover.ListenUDP(nodeKey, *listenAddr, natm, ""); err != nil {
		log.Fatal(err)
	}
	select {}
}
Example #4
0
func (cfg *Config) nodeKey() (*ecdsa.PrivateKey, error) {
	// use explicit key from command line args if set
	if cfg.NodeKey != nil {
		return cfg.NodeKey, nil
	}
	// use persistent key if present
	keyfile := filepath.Join(cfg.DataDir, "nodekey")
	key, err := crypto.LoadECDSA(keyfile)
	if err == nil {
		return key, nil
	}
	// no persistent key, generate and store a new one
	if key, err = crypto.GenerateKey(); err != nil {
		return nil, fmt.Errorf("could not generate server key: %v", err)
	}
	if err := crypto.SaveECDSA(keyfile, key); err != nil {
		glog.V(logger.Error).Infoln("could not persist nodekey: ", err)
	}
	return key, nil
}