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31 lines
1.1 KiB
Markdown
31 lines
1.1 KiB
Markdown
An example constant-time workbench. It can be sensitive to config/defaults, so is
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not entirely definitive. A work in progress.
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See <https://docs.rs/dudect-bencher/latest/dudect_bencher/>
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> 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.
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~~~
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October 3, 2024
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Intel® Core™ i7-7700K CPU @ 4.20GHz × 8 Circa 2017 Rust 1.81
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$ cd dudect # this directory
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$ cargo clean
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$ time RUSTFLAGS="-C target-cpu=native" cargo run --release
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...
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Compiling fips205-dudect v0.4.0 (/home/eric/work/fips205/dudect)
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Finished `release` profile [optimized] target(s) in 7.36s
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Running `target/release/fips205-dudect`
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running 1 bench
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bench keygen_and_sign seeded with 0x89b5d1d7e0207f97
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bench keygen_and_sign ... : n == +0.001M, max t = -1.03786, max tau = -0.03383, (5/tau)^2 = 21840
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dudect benches complete
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real 63m43.206s
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user 64m12.095s
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sys 0m2.511s
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~~~
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