There was a post on HN a few weeks ago talking about "ensuring properties like c... | Hacker News

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alfiedotwtf on May 7, 2015 | parent | context | favorite | on: Go crypto: bridging the performance gap

There was a post on HN a few weeks ago talking about "ensuring properties like constant-time execution" isn't possible as instruction timings doesn't take in account things like caching, pipelining, task switching, microcode optimisations etc.

sdevlin on May 7, 2015 [–]

When people describe crypto code as "constant-time", they typically just mean its execution time is data-independent.

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