feat: add example

examples/bench.rs

@@ -0,0 +1,53 @@
+use benchmark_simple::{Bench, Options};
+
+use aes_gcm_stream::{Aes128GcmStreamEncryptor, Aes192GcmStreamEncryptor, Aes256GcmStreamEncryptor};
+
+fn test_aes128_encrypt(m: &mut [u8]) {
+    let key = [0u8; 16];
+    let nonce = [0u8; 12];
+    let mut encryptor = Aes128GcmStreamEncryptor::new(key, &nonce);
+
+    encryptor.update(m);
+    encryptor.finalize();
+}
+
+fn test_aes192_encrypt(m: &mut [u8]) {
+    let key = [0u8; 24];
+    let nonce = [0u8; 12];
+    let mut encryptor = Aes192GcmStreamEncryptor::new(key, &nonce);
+
+    encryptor.update(m);
+    encryptor.finalize();
+}
+
+fn test_aes256_encrypt(m: &mut [u8]) {
+    let key = [0u8; 32];
+    let nonce = [0u8; 12];
+    let mut encryptor = Aes256GcmStreamEncryptor::new(key, &nonce);
+
+    encryptor.update(m);
+    encryptor.finalize();
+}
+
+fn main() {
+    let bench = Bench::new();
+    let mut m = vec![0xd0u8; 16384];
+
+    let options = &Options {
+        iterations: 1_000,
+        warmup_iterations: 1_00,
+        min_samples: 5,
+        max_samples: 10,
+        max_rsd: 1.0,
+        ..Default::default()
+    };
+
+    let res = bench.run(options, || test_aes128_encrypt(&mut m));
+    println!("AES128 encrypt  : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_aes192_encrypt(&mut m));
+    println!("AES192 encrypt  : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_aes256_encrypt(&mut m));
+    println!("AES256 encrypt  : {}", res.throughput(m.len() as _));
+}