add first benchmark

1 files changed, 26 insertions, 0 deletions

diff --git a/benches/zears.rs b/benches/zears.rs
new file mode 100644
index 0000000..ddf5e68
--- /dev/null
+++ b/benches/zears.rs
@@ -0,0 +1,26 @@
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
+
+use zears::Aez;
+
+fn bench(c: &mut Criterion) {
+    let mut group = c.benchmark_group("zears");
+
+    const KB: usize = 1024;
+
+    for size in [KB, 2 * KB, 4 * KB, 8 * KB, 16 * KB].into_iter() {
+        let buf = vec![0u8; size];
+
+        group.throughput(Throughput::Bytes(size as u64));
+
+        group.bench_function(BenchmarkId::new("encrypt_buffer", size), |b| {
+            let aez = Aez::new(&[0u8; 48]);
+            let mut out = vec![0u8; size + 16];
+            b.iter(|| aez.encrypt_buffer(&[0], &[], &buf, &mut out))
+        });
+    }
+
+    group.finish();
+}
+
+criterion_group!(benches, bench);
+criterion_main!(benches);