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DS/ETSI EN 300 175-7 V2.9.1:2022
Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 7: Security features
The present document is one of the parts of the specification of the Digital Enhanced Cordless Telecommunications*(DECT) Common Interface (CI).*The present document specifies the security architecture, the types of cryptographic algorithms required, the way in*which they are to be used, and the requirements for integrating the security features provided by the architecture into the*DECT CI. It also describes how the features can be managed and how they relate to certain DECT fixed systems and*local network configurations.*The security architecture is defined in terms of the security services which are to be supported at the CI, the*mechanisms which are to be used to provide the services, and the cryptographic parameters, keys and processes which*are associated with these mechanisms.*The security processes specified in the present document are each based on one of three cryptographic algorithms:*• an authentication algorithm;*• a key stream generator for MAC layer encryption; and*• a key stream generator plus a Message Authentication Code generator for CCM authenticated encryption.*The architecture is, however, algorithm independent, and either the DECT standard algorithms, or appropriate*proprietary algorithms, or indeed a combination of both can, in principle, be employed. The use of the employed*algorithm is specified in the present document.*Integration of the security features is specified in terms of the protocol elements and processes required at the Network*(NWK) and Medium Access Control (MAC) layers of the CI.*The relationship between the security features and various network elements is described in terms of where the security*processes and management functions may be provided.
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