Abstract:
A method and a system for authenticating a surrounding Web application by a Web application that is to be embedded, wherein it becomes possible for the Web application that is to be embedded to identify the surrounding Web application and for the surrounding Web application to authenticate itself, where a high security standard is provided through storage and evaluation of the necessary key material in the respective. Web server because the key material itself is not transmitted, but only authentication messages for the local use of the key material are instead transmitted.
Abstract:
A technical plant, a system for issuing publicly trusted certificates for plant components of the technical plant, an engineering or control system for the technical plant, and a method for issuing publicly trusted certificates for plant components of the technical plant, wherein a) a certification module of a plant component, which is intended to receive a publicly trusted certificate, queries a component identifier; b) the certification module transmits the component identifier together with a certificate request for a publicly trusted certificate to a registration authority; c) the registration authority checks, based on the component identifier, whether the component belonging to the component identifier is assigned to an authorized person or an authorized company; d) if so, the registration authority requests a publicly trusted certificate for the component; and e) the requested publicly trusted certificate is issued and transmitted to the certification module.
Abstract:
Method of providing functions within an industrial automation system and an industrial automation system thereof. Functions of the automation system are made available by web applications that are combined by the client during control program execution to form interlinked web applications. The functions are provided on a user interface of the client. The web applications are provided by a standard application programming interface that comprises a cross-component application programming interface for initializing and unloading application components and a component-specific application programming interface for event handling and providing component functions. Component instances are linked by an application programming interface for stipulating interactions between application components.