Crypto U12 (part 2), crypto for mobile telecom

jjanesko
Mind Map by , created over 6 years ago

IYM002 (Unit 12 - Crypto Systems) Mind Map on Crypto U12 (part 2), crypto for mobile telecom, created by jjanesko on 04/28/2013.

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jjanesko
Created by jjanesko over 6 years ago
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Crypto U12 (part 2), crypto for mobile telecom
1 GSM and UMTS key management
1.1 generation
1.1.1 user keys are generated by SIM manufacturer
1.1.2 user keys installed on SIM
1.2 establishment
1.2.1 established with user X when SIM is given to the user
1.2.2 user key is also given to carrier by the SIM manufacturer
1.3 storage
1.3.1 user key is stored on tamper resistant SIM
1.3.2 session keys (encryption and MAC) thrown away after each use
1.4 usage
1.4.1 user key only exposed briefly to encryt challenge response to base station
2 key hiearchy diagram

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