examples/cipherbench.rs

   1 use anyhow::Error;
   2
   3 //  chacha20-poly1305
   4
   5 fn rate_test(name: &str, bench: &dyn Fn() -> usize) {
   6
   7     print!("{:<20} ", name);
   8
   9     let start = std::time::SystemTime::now();
  10     let duration = std::time::Duration::new(1, 0);
  11
  12     let mut bytes = 0;
  13
  14     loop {
  15         bytes += bench();
  16         let elapsed = start.elapsed().unwrap();
  17         if elapsed > duration { break; }
  18     }
  19
  20     let elapsed = start.elapsed().unwrap();
  21     let elapsed = (elapsed.as_secs() as f64) +
  22         (elapsed.subsec_millis() as f64)/1000.0;
  23
  24     println!("{:>8.1} MB/s", (bytes as f64)/(elapsed*1024.0*1024.0));
  25 }
  26
  27
  28 fn main() -> Result<(), Error> {
  29
  30     let input = proxmox::sys::linux::random_data(1024*1024)?;
  31
  32     rate_test("crc32", &|| {
  33         let mut crchasher = crc32fast::Hasher::new();
  34         crchasher.update(&input);
  35         let _checksum = crchasher.finalize();
  36         input.len()
  37     });
  38
  39     rate_test("zstd", &|| {
  40         zstd::block::compress(&input, 1).unwrap();
  41         input.len()
  42     });
  43
  44     rate_test("sha256", &|| {
  45         openssl::sha::sha256(&input);
  46         input.len()
  47     });
  48
  49     let key = proxmox::sys::linux::random_data(32)?;
  50
  51     let iv = proxmox::sys::linux::random_data(16)?;
  52
  53     let cipher =  openssl::symm::Cipher::aes_256_gcm();
  54
  55     rate_test("aes-256-gcm", &|| {
  56         let mut tag = [0u8;16];
  57         openssl::symm::encrypt_aead(
  58             cipher,
  59             &key,
  60             Some(&iv),
  61             b"",
  62             &input,
  63             &mut tag).unwrap();
  64         input.len()
  65     });
  66
  67     let cipher =  openssl::symm::Cipher::chacha20_poly1305();
  68
  69     rate_test("chacha20-poly1305", &|| {
  70         let mut tag = [0u8;16];
  71         openssl::symm::encrypt_aead(
  72             cipher,
  73             &key,
  74             Some(&iv[..12]),
  75             b"",
  76             &input,
  77             &mut tag).unwrap();
  78         input.len()
  79     });
  80
  81     Ok(())
  82 }