kyak changed the topic of #qi-hardware to: Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben/atusb 802.15.4 wireless, anelok and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware
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<wpwrak> djb is fun: "There are many choices of elliptic-curve signature systems. The standard choice, ECDSA, is reasonable if you don't care about simplicity, speed, and security."
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<eintopf> wpwrak: I heard that you should not trust NIST curves
<eintopf> because they work together with NSA, etc :-/
<eintopf> so big companies says "oh yes we use NIST curve xy, it's a well known standard curve"
<eintopf> but real users should not trust them :-/
<wpwrak> hmm, i think he may go beyond just NIST curves. but i have to admit that i haven't carefully read let alone understood the article: http://blog.cr.yp.to/20140323-ecdsa.html
<eintopf> wpwrak: I had a course about cryptography at my university and I don't know nothing about cryptography for sure
<eintopf> but what I learned was that the deffie hellman algorithm on in german "Restklassenring"(some algebra with modulo and such things) can be adapted on elliptic-curve algebra
<eintopf> and then some algorithmn to crack deffie hellman is more complex by doing it on elliptic-curve algebra
<wpwrak> ECDH. About 268,000 results (0.46 seconds) :)
<eintopf> ah, the problem to crack Deffie hellman is discrete logarithmn
<eintopf> https://de.wikipedia.org/wiki/Index-Calculus-Algorithmus - that was the algorithmn which you can't easily use in elliptic-curve
<eintopf> something like that
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<wpwrak> ah i understand it, the main advantage of EC is that you need a lot fewer bits for the same kind of operations
<wpwrak> e.g., RSA is getting ridiculous, with keys sometimes getting as large as 1 kB (well, that's still mainly for the tin-hat faction, but the rest is just 1-2 binary orders of magnitude behind)
<eintopf> yes, that's why it's interessting for mcu's
<eintopf> smartcards
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