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About This Item
Full Description
The present part describes the security mechanisms in TETRA V+D. It provides mechanisms for confidentiality of control signalling and user speech and data at the air interface, authentication and key management mechanisms for the air interface and for the Inter-System Interface (ISI).
Clause 4 describes the authentication and key management mechanisms for the TETRA air interface. The following two authentication services have been specified for the air-interface in ETR 086-3 [i.3], based on a threat analysis:
- authentication of an MS by the TETRA infrastructure;
- authentication of the TETRA infrastructure by an MS.
Air interface encryption may be provided as an option in TETRA. Where employed, clause 6 describes the confidentiality mechanisms using encryption on the air interface, for circuit mode speech, circuit mode data, packet data and control information. Clause 6 describes both encryption mechanisms and mobility procedures. It also details the protocol concerning control of encryption at the air interface.
The present document does not address the detail handling of protocol errors or any protocol mechanisms when TETRA is operating in a degraded mode. These issues are implementation specific and therefore fall outside the scope of the TETRA standardization effort.
The detail description of the Authentication Centre is outside the scope of the present document.
Document History
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ETSI EN 300 392-7
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 7: Security- Most Recent
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ETSI EN 300 392-7
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 7: Security- Historical Version
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ETSI EN 300 392-7
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Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 7: Security- Historical Version
-
ETSI EN 300 392-7
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 7: Security- Historical Version