a standard developed by the European Telecommunications Standards Institute for the second generation of digital cellular networks, used by mobile phones. It is the default global standard for mobile communications.

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Hacking/Sniffing/recording GSM like Karsten Nohl

For a course at college, I wanted to reproduce the attack on GSM shown in this video by Karsten Nohl: https://www.youtube.com/watch?v=0hjn-BP8nro. From what I understand he used an USRP radio to ...
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1answer
14 views

Would a recording of a complete GSM session provide a proof of authenticity?

Hypothetical question: suppose I had a OsmocomBB phone modified to record all transmission done over GSM including encryption keys used during the communication. If I made a call and recorded all data ...
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1answer
63 views

How can I know if any cell phones other than a given set are turned on in the nearby area?

I am searching for a solution to identify phones simply by the signals it emits. Imagine a signal receiver in a room, then I want to know which people are using phones nearby. I don't care what they ...
3
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0answers
395 views

Cellular encryption algorithms currently in use globally

I have been doing research on the available encryption algorithms used by commercial mobile providers worldwide, and would like to know if the following list is complete: Algorithms for voice ...
1
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0answers
74 views

Possible to use Cellular encryption data to validate Geolocation?

I need offline-verifiable, time stamped, GPS signals or its equivalent. Since cellular protocols include time stamps, encryption keys and other data, perhaps it's possible to re-use this ...
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0answers
154 views

GSM mobile messages with the first octet 01000000

In GSM networks, it is found that there are so many mobile phone messages (uplink) with the first octet 01000000. For example, the 28-octet message ...