Earlier today some folks published a paper that claims the SIMON cipher from the NSA has been broken, at least for the 32/64 variant. I've spent the last hour reading the paper, https://eprint.iacr.org/2019/474.pdf , there's some really strange things in there ...
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Regular math notation doesn't work like this ...pic.twitter.com/Q7phjd5CXW
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There is no value of x that equals 2^x. Maybe it's a weird say that by 'size' they mean the size in bits, which has 2^size number of possibilities, but anyway, it's weird. That's just the first weird thing ...pic.twitter.com/LKsE40n4Px
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Replying to @colmmacc
The first |C| is the cardinality of the ciphertext space and the second is the size of a ciphertext, different scripts?
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Replying to @HarperMitchell
Oh I can't see that with my glasses. That makes some sense!
11:58 PM - 10 May 2019
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