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Crypto HNQ
Crypto HNQ
6:34 AM
2
Q: What does that mean, that A5/1 is clocked?

TomWhat does that mean, that A5/1 is clocked? What happens if the clocking bit agrees with the majority bit?

stream-cipher
 
 
4 hours later…
b degnan
b degnan
10:19 AM
@forest everything in that article is still true. The retention time is weird, but that's a small thing. I recently wrote an RFID paper with a friend where we just stuck wires to a MCU and turned it "on". We can see a lot of information out of the other pins.
Oh, I see, that was in reference to my previous comment. yeah, i still twitch a bit.
@kelalaka @forest regarding that "clocked" A5/1 question, are there any unclocked ciphers? From an EE side, I find that someone would mention clocking at all weird because almost all electronic, digital systems are synchronous.
 
kelalaka
kelalaka
10:48 AM
@bdegnan well, is it possible? I don't see that is possible. The OP was missing the knowledge.
Also, controlling the clock is the point here
 
 
10 hours later…
forest
forest
8:36 PM
@bdegnan It's just the terminology used. Other ciphers are not "unclocked".
 
 
2 hours later…
kelalaka
kelalaka
10:28 PM
@fgrieu The animation is done see
3
A: Is there a library that output LFSR images given parameters?

kelalakaYes, there is a python library LFSR-Automatic-Draw that can output $\LaTeX$ Tikz code and that can be converted to PNG images by pdflatex -shell-escape lfsr.tex The library has many parameters to draw; One can print the feedback polynomial on the bottom One can enable/disable printing the name ...

I will update the GitHub tomorrow, after further clean-ups.
 

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