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Igor Katson 2023-11-19 22:06:41 +00:00
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crates/sha1w/src/lib.rs
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// Wrapper for sha1 libraries.
// Sha1 computation is the majority of CPU usage of this library.
// openssl seems 2-3x faster, so using it for now, but
// leaving the pure-rust impl here too. Maybe someday make them
// runtime swappable or enabled with a feature.
// Wrapper for sha1 libraries to be able to swap them easily,
// e.g. to measure performance, or change implementations depending on platform.
//
// Sha1 computation is the majority of CPU usage of librqbit.
// openssl is 2-3x faster than rust's sha1.
// system library is the best choice probably (it's the default anyway).
#[cfg(feature = "sha1-openssl")]
pub type Sha1 = Sha1Openssl;