bench: Add benchmark generate_certs.

2 files changed, 42 insertions, 0 deletions

diff --git a/openpgp/Cargo.toml b/openpgp/Cargo.toml
index 5dda0492..cd6395c4 100644
--- a/openpgp/Cargo.toml
+++ b/openpgp/Cargo.toml
@@ -86,5 +86,9 @@ name = "pad"
 required-features = ["compression-deflate"]
 
 [[bench]]
+name = "generate_cert"
+harness = false
+
+[[bench]]
 name = "parse_cert"
 harness = false
diff --git a/openpgp/benches/generate_cert.rs b/openpgp/benches/generate_cert.rs
new file mode 100644
index 00000000..45b707ce
--- /dev/null
+++ b/openpgp/benches/generate_cert.rs
@@ -0,0 +1,38 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+
+use sequoia_openpgp as openpgp;
+use openpgp::cert::{CertBuilder, CipherSuite};
+
+fn generate_cert(cipher: CipherSuite) {
+    // Parse the cert, ignore any errors
+    let _ = CertBuilder::general_purpose(
+        cipher,
+        Some("Alice Lovelace <alice@example.org>"),
+    )
+    .generate()
+    .unwrap();
+}
+
+fn bench_generate_certs(c: &mut Criterion) {
+    let mut group = c.benchmark_group("generate cert");
+    let cipher = CipherSuite::Cv25519;
+    group.bench_function(format!("{:?}", cipher), |b| {
+        b.iter(|| generate_cert(cipher))
+    });
+    let cipher = CipherSuite::P256;
+    group.bench_function(format!("{:?}", cipher), |b| {
+        b.iter(|| generate_cert(cipher))
+    });
+    let cipher = CipherSuite::P384;
+    group.bench_function(format!("{:?}", cipher), |b| {
+        b.iter(|| generate_cert(cipher))
+    });
+    let cipher = CipherSuite::P521;
+    group.bench_function(format!("{:?}", cipher), |b| {
+        b.iter(|| generate_cert(cipher))
+    });
+    group.finish();
+}
+
+criterion_group!(benches, bench_generate_certs);
+criterion_main!(benches);