Security Research Of TETRA Digital Trunking Mobile Communication System

W is a digiul trunkin mobile comInunhaon system based on mMAforhnology It offers grouP call diW W M Wion (DMO), duplex PhOne tall,Padri data sehece, shOrt data service and so on. TEtw suPportS air interfaCe andend-bend enCryPon. TEM is not only a fit Private system for disPateh comInedcationof the polieq fire serVce' W ha wtport, city tiwhc eto, but also fOr Ule projectreqthements of the Public tw communication system.COInpe with talihonal analOg tnulking syStem, TETRA System is aPter tOboplemen digltal enCryPon of SpeeCh and data, but System securiIy is unable to dePertdsdriPly on enCtwon. From the POint of view of the b1lbrmation system securityarehithebe, the aUthor classified and concltuled the TETRA system seeurity andWuced Sytw SeCurity bo the WtS of thnd analysis, security requirementS,security Sehaces and security mangemen etc. 111e mechbosm of Authentication, tem1inaenable and diSabq air intN enCryPion, end-bend enCmption Led in TEWh is thekey ler in this N To the SeCurity question of practical aPPlication, the re1evantwt W and M are Provided tOO.The cowtedon of Sywt SeCurity is absolutely necessarily boPOrtan component inthe ProeCt of all Th Sywt, and it is one ilnPOrtan term tO system security opetalion.For eveIy W of government and comPany who Wants oPeot Tru digitaItwg mobile coInInunhaon SyStem, the reewh of Th System security willProvide thoory in referenC Sytw security consti1cton, and lwre imPOrtant dhectivesignificance.