"Linux ..has faithfully implemented this feature by storing the challenge ACK counter in a global variable shared by *all* TCP connections"
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Replying to @julianor
This seems perfectly reasonable and optimal for all cases except massively-parallel-HPC special-interests.
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Replying to @RichFelker @julianor
you mean perfectly reasonable besides the fact the global count enables the side channel?
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Oh, I assumed the counter was not visible, i.e. a CTR mode cipher or such. I must be missing context of this tweet.
8:20 AM - 10 Aug 2016
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