prEN IEC 63173-2:2021

Maritime navigation and radiocommunication equipment and systems - Data interface - Part 2: Secure communication between ship and shore (SECOM)

IEC 63173-2 ED1; prEN IEC 63173-2:2021
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The scope of SECOM includes interfaces (APIs) for data exchange (information services), information security measures to enable secure communication and interfaces for service discoverability. SECOM provides technical interoperability, where the same service interface is used for exchanging the information regardless of its operational use, up to the level of exchanging information securely online. Although designed for S-100 based products, SECOM is technically payload agnostic and applicable also for other types of data. The SECOM Information Service Interface includes the public side exposed on the internet. The "last mile" links between a SECOM service instance and the end-user application is not defined in this document. The informative Annex D describes one such implementation of this. This allows different solutions between the service and shore/ship’s system/applications. SECOM information security contains communication channel security, a variant of PKI (Public Key Infrastructure) and data protection scheme alternatives for the information exchange with full or partial compliance with IHO S-100. The data protection scope is between end-users. SECOM PKI includes the definition of a set of service interfaces for key management. The service discovery interface includes operations to search for service instances from a service registry to meet some criteria e.g. chart updates, navigational warnings, updated estimated time of arrival (ETA) information or route optimization services. The service discovery interface allows the user to choose a service instance to consume. SECOM is primarily applicable for IP based web services for information exchange. Other possible means of exchange, for example general distribution of files is not included. SECOM does not define physical layer or link layer for transport of data but assumes that the transport supports IP communication. SECOM is applicable for both public (governmental) and private (business) services. SECOM is applicable for ship-shore and shore-ship communication, and may be used for ship-ship communication.
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