OPC UA Client and Server
========================

If you're interested in quickly starting with OPC UA, we've got some ready-to-run examples on GitHub that you can easily explore and run. See the `Examples <intergations/index.html>`_ section for details. You can also experiment with our `online OPC UA example <https://tutorial.realtimelogic.com/opc-ua.lsp>`_.


Features
--------

Services
~~~~~~~~

  * OpenSecureChannel
  * CloseSecureChannel
  * CreateSession
  * ActivateSession
  * FindServers
  * GetEndpoints
  * CloseSession
  * Read
  * Write
  * AddNodes
  * Browse
  * TranslateBrowsePathsToNodeIds
  * PubSub over MQTT
  * Load XML models

Transport protocols:
~~~~~~~~~~~~~~~~~~~~

* **uatcp-uasc-uabinary** - Secure Conversation UA Binary over TCP/IP
* **https-uabinary** - Secure Conversation UA Binary over HTTPS
* **https-uajson** - Secure Conversation UA JSON over HTTPS
* **pubsub-mqtt-uadp** - Publish Subscribe UA Binary over MQTT
* **pubsub-mqtt-json** - Publish Subscribe UA JSON over MQTT

*HTTPS transport protocols support only secure policy None.*

Secure policies
~~~~~~~~~~~~~~~

* **None** - No security, no encryption
* **Basic128Rsa15** - RSA with SHA-1 and 128 bit encryption
* **Aes128Sha256RsaOaep** - AES with SHA-256 and 128 bit encryption
* **Basic256Sha256** - RSA with SHA-256 and 256 bit encryption

User authentication
~~~~~~~~~~~~~~~~~~~

* **Anonymous** - No user authentication
* **Username** - Username and password authentication
* **Certificate** - Certificate authentication
* **IssuedToken** - Token authentication: JWT, Azure, Oauth2, OPC-UA

Index
-----

.. toctree::

  server
  client
  server_config
  logging
  browsing
  adding_nodes
  xml_models
  read_write_data
  data_source
  integrations/index
  secure_policy
  http
  application_certificate
  authentication/index
  init_opcua_project
  client_reference
  server_reference
  pubsub/index
  types
  wtf