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Security algorithms in GSM
written 3.0 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.5 years ago by gravatar for Shaik_Sumiya_34 Shaik_Sumiya_34 • 40
mobile communication
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written 3.0 years ago by gravatar for teamques10 teamques10 ★ 65k

A consequence of international roaming is the exchange of information between providers in different countries. All countries have strict regulations against the export of encryption algorithms and thus GSM works around it. When a user tries to use his phone in say another country, the local networks request the HLR …

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written 2.5 years ago by gravatar for Shaik_Sumiya_34 Shaik_Sumiya_34 • 40

Security in GSM :

  1. GSM offers several services using confidential information stored in the AuC and in the individual SIM.
  2. The SIM stored personal, secret data and in protected with a PIN against unauthorized use.

  3. Three algorithms have been specified to provide security services in GSM.

    --> Algorithm A3 is …

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