Beispiel #1
0
// USE WITH CAUTION = this will save an unencrypted private key on disk
// no cli or js interface
func (am *Manager) Export(path string, addr common.Address, keyAuth string) error {
	key, err := am.keyStore.GetKey(addr, keyAuth)
	if err != nil {
		return err
	}
	return crypto.SaveECDSA(path, key.PrivateKey)
}
Beispiel #2
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
}