proxmox-backup/src/bin/cipherbench.rs

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use failure::*;
// chacha20-poly1305
fn rate_test(name: &str, bench: &dyn Fn() -> usize) {
let start = std::time::SystemTime::now();
let duration = std::time::Duration::new(1, 0);
let mut bytes = 0;
loop {
bytes += bench();
let elapsed = start.elapsed().unwrap();
if elapsed > duration { break; }
}
let elapsed = start.elapsed().unwrap();
let elapsed = (elapsed.as_secs() as f64) +
(elapsed.subsec_millis() as f64)/1000.0;
println!("{} {} MB/s", name, (bytes as f64)/(elapsed*1024.0*1024.0));
}
fn main() -> Result<(), Error> {
let input = proxmox::sys::linux::random_data(1024*1024)?;
rate_test("crc32", &|| {
let mut crchasher = crc32fast::Hasher::new();
crchasher.update(&input);
let _checksum = crchasher.finalize();
input.len()
});
rate_test("zstd", &|| {
zstd::block::compress(&input, 1).unwrap();
input.len()
});
rate_test("sha256", &|| {
openssl::sha::sha256(&input);
input.len()
});
let key = proxmox::sys::linux::random_data(32)?;
let iv = proxmox::sys::linux::random_data(16)?;
let cipher = openssl::symm::Cipher::aes_256_gcm();
rate_test("aes-256-gcm", &|| {
let mut tag = [0u8;16];
openssl::symm::encrypt_aead(
cipher,
&key,
Some(&iv),
b"",
&input,
&mut tag).unwrap();
input.len()
});
let cipher = openssl::symm::Cipher::chacha20_poly1305();
rate_test("chacha20-poly1305", &|| {
let mut tag = [0u8;16];
openssl::symm::encrypt_aead(
cipher,
&key,
Some(&iv),
b"",
&input,
&mut tag).unwrap();
input.len()
});
Ok(())
}