Bitmessage protocol enhancement to fight fingerprints and hidden channels.

[chan] Crypto-Anarchist Federation
Jul 13 09:42

Regarding Anonymity, and TOR, and even with the BitMessage Secure Station open-hardware open-core, it is fucking important, as a "by design" measure to empower anonymity, that the BitMessage protocol becomes "as hidden channel safe" as possible. For those who take the time to read my two article (That are almost finished, a few spelling mistakes still there) regarding the BitMessage Secure Station, you will understand that tracking of users, meaning breaking the anonymity, is at 90% a matter of fingerprints and the hidden channels used to transmit them. https://blogs.mediapart.fr/stman/blog/090717/snowdens-dream-bitmessage-secure-station-open-hardware-open-core-project https://blogs.mediapart.fr/stman/blog/090717/torvpn-fingerprinting-family-anonymity-breach-fix-custom-fpga-based-ic What does this mean ? It means that restoring Anonymity cannot be done by a single measure, but a large combination of tricks that combined all together, make tracking through fingerprints impossible. Doing so requires two "by design" approach : - Design protocols that are hidden channel safe, meaning where there is no place to hide fingerprints into the data into an embedded hidden channel. - Fight fingerprints directly by avoiding to create and use fields/data that can be used as fingerprints. I have not the time for now to put my nose again into the BitMessage protocol details, but when I had a serious look at it 2 month ago, I say a few things that had to be changed. The rest of the fight against fingerprints and their hidden channel, or their exploitations, are detailed through numerous tricks we apply in parallel in the BitMessage Secure Station open-hardware open-core architecture. We will manage to restore true anonymity by combining as much "by design" tricks oriented that way as possible. My conclusion is that the change made by Peter for the nonce is a good news. It is clearly something that will help, like all the other tricks, restoring anonymity. Kind regards, Stman. BitMessage Secure Station open-hardware open-core core developer

[chan] Crypto-Anarchist Federation
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