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use std::time::SystemTime;
use nettle::hash::*;
use nettle::hash::insecure_do_not_use::*;
fn benchmark(buf: &[u8], n: usize, h: &mut dyn Hash, name: &str) {
let mut digest = vec![0; h.digest_size()];
let start = SystemTime::now();
for _ in 0..n / buf.len() {
h.update(buf);
}
h.digest(&mut digest);
let elapsed = start.elapsed().unwrap();
println!("Hashing {} bytes using {:10.} {:2.}.{:06.}s {:9.} byte/s",
n, name, elapsed.as_secs(), elapsed.subsec_micros(),
(n as f64 / (elapsed.as_secs() as f64
+ elapsed.as_micros() as f64 / 1_000_000.)) as usize);
}
fn main() {
const N: usize = 1024 * 1024 * 1024;
let buf = vec![0; 1024 * 1024];
macro_rules! bench {
($hash: ident) => {
benchmark(&buf, N, &mut $hash::default(), stringify!($hash));
}
}
//bench!(Md2); // MD2 is way too slow.
bench!(Md4);
bench!(Md5);
bench!(Ripemd160);
bench!(GostHash94);
bench!(Sha1);
bench!(Sha224);
bench!(Sha256);
bench!(Sha384);
bench!(Sha512);
bench!(Sha512_224);
bench!(Sha512_256);
bench!(Sha3_224);
bench!(Sha3_256);
bench!(Sha3_384);
bench!(Sha3_512);
}
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