3 ms·
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 ac
by alfiedotwtf 12y ago
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 12y agoWhen people describe crypto code as "constant-time", they typically just mean its execution time is data-independent.