2024-10-03 17:24:28 +00:00
An example constant-time workbench. It can be sensitive to config/defaults, so is
not entirely definitive. A work in progress.
2024-02-10 20:26:37 +00:00
2024-10-03 17:24:28 +00:00
See < https: / / docs . rs / dudect-bencher / latest / dudect_bencher / >
2024-02-10 20:26:37 +00:00
2024-10-03 17:24:28 +00:00
> t-values greater than 5 are generally considered a good indication that the function is not constant time. t-values less than 5 does not necessarily imply that the function is constant-time, since there may be other input distributions under which the function behaves significantly differently.
2024-02-10 20:26:37 +00:00
~~~
2024-10-03 17:24:28 +00:00
October 3, 2024
Intel® Core™ i7-7700K CPU @ 4.20GHz ×
$ cd dudect # this directory
$ cargo clean
$ time RUSTFLAGS="-C target-cpu=native" cargo run --release
...
Compiling fips205-dudect v0.4.0 (/home/eric/work/fips205/dudect)
Finished `release` profile [optimized] target(s) in 7.36s
Running `target/release/fips205-dudect`
2024-02-10 20:26:37 +00:00
2024-10-03 17:24:28 +00:00
running 1 bench
bench keygen_and_sign seeded with 0x89b5d1d7e0207f97
bench keygen_and_sign ... : n == +0.001M, max t = -1.03786, max tau = -0.03383, (5/tau)^2 = 21840
dudect benches complete
real 63m43.206s
user 64m12.095s
sys 0m2.511s
~~~
