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32 lines
1.2 KiB
Markdown
32 lines
1.2 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 # A ~11 hour run
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...
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Compiling fips205 v0.4.0 (/home/eric/work/fips205)
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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 12.04s
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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 0x54522172d8fff6c0
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bench keygen_and_sign ... : n == +0.007M, max t = +3.04638, max tau = +0.03693, (5/tau)^2 = 18331
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dudect benches complete
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real 660m35.132s
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user 660m47.614s
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sys 0m2.662s
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~~~
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