GNU Radio on /. Sorry for the HTML...
An anonymous reader writes "Two Australian security researchers, Stephen Glass
and Matt Robert, have published a paper that details flaws in the encryption
implementation (PDF) in the APCO Project 25 digital radio standard, used by
emergency services and police departments world-wide. The paper details flaws
in the DES-OFB and ADP encryption that enable the encryption key to be
recovered by traditional brute force key searching. Also detailed is a DoS
attack that makes use of unauthenticated radio inhibit mechanism. The research
is part of the OP25 project, which uses GNUradio to implement a P25 stack using
software defined radio. With this solution in place, the researchers were able
to do detailed analysis of the traffic coming from various radio systems and to
transmit and receive to P25 radios in their lab."
Read more of this story at Slashdot.
http://rss.slashdot.org/~r/Slashdot/slashdot/~3/OXGj3yQQeNE/Security-Researchers-Crack-APCO-P25-Encryption
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Dimitrios Symeonidis
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