Skyper (ex-Phrack Magazine Editor in Chief / Member, THC)
Presentation Title: Cracking the GSM A5/1 Encryption in Seconds
Presentation Details:
This talk is about GSM security. We will explain the security, technology and protocols of a GSM network. We will further present a solution to build a GSM scanner for 900 USD. The second part of the talk reveals a practical solution to crack the GSM encryption A5/1. We are hoping to give a practical demonstration of decrypting a GSM conversation.
Presentation Outline
a) Who we are
b) What we do
1) GSM
a) GSM Network Overview
b) Basestations, switches, databases, cells, …
c) Mobile Phone Technology
2) Receiving GSM signals
a) Nokia 3310
b) USRP / Gnu Radio
c) others (tsm30, omap, …)
3) Security in GSM
4) Cracking A5/1
a) Different approaches
b) TMTO attacks
c) The A5Buster
5) Threats & Future
About Skyper
Skyper is running the segfault.net project. He provides a secure and private research environment to others. He is a privacy advocate and enjoys breaking things. He likes phone phreaking and computer security (formerly known as hacking). Skyper did research with team-teso, was the editor of a online hacking magazine for 6 years and does now research with the gurus at thc.org. His experience are network protocols and cryptography.
** Presenting with David Houlton