feat: benchmark add aes_gcm

examples/bench.rs

@@ -1,3 +1,5 @@
+use aes_gcm::{Aes256Gcm, KeyInit};
+use aes_gcm::aead::{Aead, Nonce};
 use benchmark_simple::{Bench, Options};
 
 use aes_gcm_stream::{Aes128GcmStreamEncryptor, Aes192GcmStreamEncryptor, Aes256GcmStreamEncryptor};
@@ -29,6 +31,17 @@ fn test_aes256_encrypt(m: &mut [u8]) {
     encryptor.finalize();
 }
 
+fn test_aes256_encrypt_aesgcm(m: &mut [u8]) {
+    let key = [0u8; 32];
+    let nonce = [0u8; 12];
+
+    let cipher = Aes256Gcm::new_from_slice(&key).expect("new from key slice");
+    let mut n = Nonce::<Aes256Gcm>::default();
+    let mn: &mut [u8] = n.as_mut();
+    for i in 0..mn.len() { mn[i] = nonce[i]; }
+    cipher.encrypt(&n, &m[0..]).expect("decrypt");
+}
+
 fn main() {
     let bench = Bench::new();
     let mut m = vec![0xd0u8; 16384];
@@ -43,11 +56,14 @@ fn main() {
     };
 
     let res = bench.run(options, || test_aes128_encrypt(&mut m));
-    println!("AES128 encrypt  : {}", res.throughput(m.len() as _));
+    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 _));
+    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 _));
+    println!("AES256 encrypt         : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_aes256_encrypt_aesgcm(&mut m));
+    println!("AES256 encrypt aes-gcm : {}", res.throughput(m.len() as _));
 }