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by xarope 21 days ago
Yes, this was a bit of a surprise to read when dealing with crypto: "This one lives in CIRCL's threshold RSA implementation... float64 has a 53-bit mantissa... the result is silently rounded before it is ever cast back to an integer. "

this is numerical methods 101, i.e. why 1+1 != 2

I'm a bit surprised that this is from cloudflare. Anybody from CF care to comment? Is this like prototype/super skunkworks code that somehow made it through?