DECT Standard Cipher

DECT Standard Cipher

DECT Standard Cipher is an encryption standard, used in DECT phones to protect communication between a handset and its associated base station. While most of the DECT standard is publicly available, the part describing the DECT Standard Cipher was only available under a non-disclosure agreement to the phones' manufacturers from ETSI.

Reverse engineered

On June 8, 2002, a posting was made to the alt.anonymous.messages newsgroup containing what was claimed to be the reverse engineered source code of the implementation of the DECT Standard Cipher for the Samsung SP-R6150 telephone.[1] This claim has since been refuted.[2]

In 2008, members of the deDECTed.org project actually did reverse engineer the DECT Standard Cipher,[3] and as of 2010 there has been a viable attack on it that can recover the key.[4]

References

  1. ^ alleged DECT Standard Cipher alt.anonymous.messages posting
  2. ^ Weinmann, Ralf-Philipp (2009-01-26). "DSC - Reverse Engineering of the Samsung DECT SP-R6150". http://lists.gnumonks.org/pipermail/dedected/2009-January/000432.html. 
  3. ^ talk-25c3.pdf Slides of the deDECTed.org presentation at the 25th Chaos Communication Congress
  4. ^ Nohl, Karsten; Tews, Erik; Weinmann, Ralf-Philipp (2010-04-04). "Cryptanalysis of the DECT Standard Cipher". https://dedected.org/trac/attachment/wiki/DSC-Analysis/FSE2010-166.pdf. 

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