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OsmocomTETRA » History » Version 23

laforge, 02/21/2016 03:46 PM

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h1. The Osmocom TETRA project
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{{>toc}}
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This project aims at practical research and experimentation with the [[TETRA]]
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trunked radio system.
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It is part of the bigger family of "Osmocom":http://osmocom.org/ projects,
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all aiming to create Free Software (Open Source Software) for mobile communications.
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*NOTE: Please observe the [[cellular-infrastructure:LegalNotes]]* before using this software!
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h2. Software Defined Radio TETRA Air interface sniffer
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The [[osmo-tetra]] project aims at implementing the sending and
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receiving part of the TETRA MAC/PHY layer.
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Currently, it can
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* receive, demodulate and decode TETRA downlink signals of real-world TETRA networks
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* display information about SYNC, SYSINFO, MM and CMCE PDUs
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* forward those TETRA downlink signals to the "wireshark":http://wireshark.org/ protocol analyzer
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* forward IP packets contained in TETRA SNDCP to a local @tun/tap@ device
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h2. Research on Motorola Dimetra EBTS
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We have been investigating the hardware and software architecture of the [[Dimetra_EBTS|Motorola Dimetra EBTS]],
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including its components like Base Radio, Site Controller, etc.
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The goal here is to run this equipment without a Motorla [[SwMI]] and thus have an inexpensive platform for running
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your own TETRA network for research purpose.
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h2. Applied Research on security of real-world TETRA networks
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Using the tools we develop, we are analyzing the security of real-world TETRA networks.
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Our experience so far is quite shocking: All the non-government TETRA networks that we
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have encountered use no TETRA encryption at all, i.e. they are subject to very easy
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eavesdropping attacks.
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More information will follow soon.
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h2. Osmocom TETRA software
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* [[osmo-tetra]] - Our software defined radio TETRA receiver
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h2. TETRA related hardware
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* [[Funcube_Dongle]] - A small receiver that can be used with [[osmo-tetra]]
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* [[Dimetra_EBTS]] - Information on the Motorola Dimetra EBTS
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* [[Rohde_Schwarz_BSC411]] - Information on the R&S BICK TETRA BSC
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* [[Rohde_Schwarz_TOB500]] - Information on the R&S BICK TETRA Outdoor BTS 500
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* [[Antenna_LNA]] - Antenna and LNAs suitable for TETRA
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h2. Press Coverage
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* http://www.h-online.com/security/news/item/TETRA-digital-radio-now-for-everyone-1254088.html
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* http://www.heise.de/newsticker/meldung/TETRA-Digitalfunk-fuer-jedermann-1253092.html
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* http://www.golem.de/1101/80600.html (German)
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* http://infosecurity.ch/20110123/tetra-hacking-is-coming-osmocomtetra/
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h1. Further Reading
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* [[FAQ]] - Our Frequently Asked Questions
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* [[Recommended_Reading]] -- Links to recommended books, articles, etc.
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* [[TETRA_in_Germany]] -- Information we collect about TETRA networks in Germany
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* [[Talks_Lectures]] -- Talks / Lectures given by the osmocomTETRA project
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* [[Speech_Codec]] -- Information on how to find specs + reference code of the TETRA speech codec
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* [[Test_Samples]] -- Samples recorded on test network
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