fips205-source/dudect/README.md
2024-10-04 11:02:10 -05:00

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An example constant-time workbench. It can be sensitive to config/defaults, so is
not entirely definitive. A work in progress.
See <https://docs.rs/dudect-bencher/latest/dudect_bencher/>
> 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.
~~~
October 3, 2024
Intel® Core™ i7-7700K CPU @ 4.20GHz × 8 Circa 2017 Rust 1.81
$ cd dudect # this directory
$ cargo clean
$ time RUSTFLAGS="-C target-cpu=native" cargo run --release # A ~11 hour run
...
Compiling fips205 v0.4.0 (/home/eric/work/fips205)
Compiling fips205-dudect v0.4.0 (/home/eric/work/fips205/dudect)
Finished `release` profile [optimized] target(s) in 12.04s
Running `target/release/fips205-dudect`
running 1 bench
bench keygen_and_sign seeded with 0x54522172d8fff6c0
bench keygen_and_sign ... : n == +0.007M, max t = +3.04638, max tau = +0.03693, (5/tau)^2 = 18331
dudect benches complete
real 660m35.132s
user 660m47.614s
sys 0m2.662s
~~~