Add dndk-gcm benchmark

Author: script3r

benches/Cargo.toml

@@ -19,6 +19,7 @@ aes-gcm-siv = { path = "../aes-gcm-siv/" }
 ascon-aead128 = { path = "../ascon-aead128/" }
 chacha20poly1305 = { path = "../chacha20poly1305/" }
 deoxys = { path = "../deoxys/" }
+dndk-gcm = { path = "../dndk-gcm/" }
 eax = { path = "../eax/" }
 
 [target.'cfg(any(target_arch = "x86_64", target_arch = "x86"))'.dependencies]
@@ -49,6 +50,11 @@ name = "deoxys"
 path = "src/deoxys.rs"
 harness = false
 
+[[bench]]
+name = "dndk-gcm"
+path = "src/dndk-gcm.rs"
+harness = false
+
 [[bench]]
 name = "eax"
 path = "src/eax.rs"

benches/src/dndk-gcm.rs

@@ -0,0 +1,48 @@
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
+
+use dndk_gcm::aead::{Aead, KeyInit};
+use dndk_gcm::DndkGcm;
+
+const KB: usize = 1024;
+
+#[cfg(not(any(target_arch = "x86_64", target_arch = "x86")))]
+type Benchmarker = Criterion;
+#[cfg(any(target_arch = "x86_64", target_arch = "x86"))]
+type Benchmarker = Criterion<criterion_cycles_per_byte::CyclesPerByte>;
+
+fn bench(c: &mut Benchmarker) {
+    let mut group = c.benchmark_group("dndk-gcm");
+
+    for size in &[KB, 2 * KB, 4 * KB, 8 * KB, 16 * KB] {
+        let buf = vec![0u8; *size];
+
+        group.throughput(Throughput::Bytes(*size as u64));
+
+        group.bench_function(BenchmarkId::new("encrypt-256", size), |b| {
+            let cipher = DndkGcm::new(&Default::default());
+            b.iter(|| cipher.encrypt(&Default::default(), &*buf))
+        });
+        group.bench_function(BenchmarkId::new("decrypt-256", size), |b| {
+            let cipher = DndkGcm::new(&Default::default());
+            b.iter(|| cipher.decrypt(&Default::default(), &*buf))
+        });
+    }
+
+    group.finish();
+}
+
+#[cfg(not(any(target_arch = "x86_64", target_arch = "x86")))]
+criterion_group!(
+    name = benches;
+    config = Criterion::default();
+    targets = bench
+);
+
+#[cfg(any(target_arch = "x86_64", target_arch = "x86"))]
+criterion_group!(
+    name = benches;
+    config = Criterion::default().with_measurement(criterion_cycles_per_byte::CyclesPerByte);
+    targets = bench
+);
+
+criterion_main!(benches);