BitTorrent protocol encryption: Difference between revisions

Revision as of 05:26, 7 February 2006

Revision as of 08:07, 7 February 2006

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==History==

Protocol header encryption was conceived by [[RnySmile]] and first implemented in the [[BitComet]] client version 0.60 on [[8 September]] [[2005]]. Some software like IPP2P claims BitComet traffic is detectable even with PHE. [http://www.ipp2p.org/news_en.html] Since there are no open specifications to this protocol implementation the only possiblity to support it would have been via [[reverse engineering]].

In late January 2006 the [[Azureus]] developers decided to design and simultanously implement a new, open protocol obfuscation method. It was included in Azureus CVS snapshot 2307-B29 on [[19 January]] [[2006]].

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This first draft was heavily criticized since it lacked several key features. After negotations between different BitTorrent developers a new proposal was written and then implemented into the respective [[µTorrent]] and [[Azureus]] betas within days. The developers were [[ludde]], [[uau]], [[The_8472]], [[Parg]] and [[Nolar]].

Azureus supports the final spec since [[25 January]] [[2006]] (CVS snapshot 2307-B33) [http://sourceforge.net/mailarchive/message.php?msg_id=14596518] and µTorrent followed 4 days later with beta 1.4.1 build 407. [http://forum.utorrent.com/viewtopic.php?id=5384] The new protocol is called MSE in Azureus and PE in µTorrent.

[[Bram Cohen]], the inventor of [[BitTorrent]], recently commented disfavouring on the ongoing development to obfuscate the BitTorrent protocol. [http://bramcohen.livejournal.com/29886.html] Encrypted BitTorrent users quickly pointed out flaws in his reasoning. [http://forum.utorrent.com/viewtopic.php?id=5742]