Esempio n. 1
0
func main() {
	// Generate client key.
	clientKey, err := libtrust.GenerateECP256PrivateKey()
	if err != nil {
		log.Fatal(err)
	}

	// Add a comment for the client key.
	clientKey.AddExtendedField("comment", "TLS Demo Client")

	// Save the client key, public and private versions.
	err = libtrust.SaveKey("client_data/private_key.pem", clientKey)
	if err != nil {
		log.Fatal(err)
	}

	err = libtrust.SavePublicKey("client_data/public_key.pem", clientKey.PublicKey())
	if err != nil {
		log.Fatal(err)
	}

	// Generate server key.
	serverKey, err := libtrust.GenerateECP256PrivateKey()
	if err != nil {
		log.Fatal(err)
	}

	// Set the list of addresses to use for the server.
	serverKey.AddExtendedField("hosts", []string{"localhost", "docker.example.com"})

	// Save the server key, public and private versions.
	err = libtrust.SaveKey("server_data/private_key.pem", serverKey)
	if err != nil {
		log.Fatal(err)
	}

	err = libtrust.SavePublicKey("server_data/public_key.pem", serverKey.PublicKey())
	if err != nil {
		log.Fatal(err)
	}

	// Generate Authorized Keys file for server.
	err = libtrust.AddKeySetFile("server_data/trusted_clients.pem", clientKey.PublicKey())
	if err != nil {
		log.Fatal(err)
	}

	// Generate Known Host Keys file for client.
	err = libtrust.AddKeySetFile("client_data/trusted_hosts.pem", serverKey.PublicKey())
	if err != nil {
		log.Fatal(err)
	}
}
Esempio n. 2
0
// LoadOrCreateTrustKey attempts to load the libtrust key at the given path,
// otherwise generates a new one
func LoadOrCreateTrustKey(trustKeyPath string) (libtrust.PrivateKey, error) {
	err := os.MkdirAll(path.Dir(trustKeyPath), 0700)
	if err != nil {
		return nil, err
	}
	trustKey, err := libtrust.LoadKeyFile(trustKeyPath)
	if err == libtrust.ErrKeyFileDoesNotExist {
		trustKey, err = libtrust.GenerateECP256PrivateKey()
		if err != nil {
			return nil, fmt.Errorf("Error generating key: %s", err)
		}
		if err := libtrust.SaveKey(trustKeyPath, trustKey); err != nil {
			return nil, fmt.Errorf("Error saving key file: %s", err)
		}
		dir, file := path.Split(trustKeyPath)
		// Save public key
		if err := libtrust.SavePublicKey(path.Join(dir, "public-"+file), trustKey.PublicKey()); err != nil {
			return nil, fmt.Errorf("Error saving public key file: %s", err)
		}
	} else if err != nil {
		return nil, fmt.Errorf("Error loading key file: %s", err)
	}
	return trustKey, nil
}