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|
use criterion::{
criterion_group, BenchmarkGroup, BenchmarkId, Criterion, Throughput,
};
use sequoia_openpgp as openpgp;
use openpgp::cert::{Cert, CertBuilder};
use openpgp::packet::prelude::*;
use openpgp::packet::{Signature, UserID};
use openpgp::parse::Parse;
use openpgp::serialize::SerializeInto;
use openpgp::types::{Curve, KeyFlags, SignatureType};
use openpgp::Result;
use std::convert::TryInto;
fn generate_certifications<'a>(
userid: &'a UserID,
cert: &'a Cert,
count: usize,
) -> Result<impl Iterator<Item = Signature> + 'a> {
let k: Key<key::SecretParts, key::PrimaryRole> =
Key4::generate_ecc(true, Curve::Ed25519)?.into();
let mut keypair = k.into_keypair()?;
let iter = (0..count).map(move |_| {
userid
.certify(
&mut keypair,
cert,
SignatureType::PositiveCertification,
None,
None,
)
.unwrap()
});
Ok(iter)
}
fn generate_flooded_cert(
key_count: usize,
sigs_per_key: usize,
) -> Result<Vec<u8>> {
// Generate a Cert for to be flooded
let (mut floodme, _) = CertBuilder::new()
.set_primary_key_flags(KeyFlags::empty().set_certification())
.add_userid("flood.me@example.org")
.generate()?;
let floodme_cloned = floodme.clone();
let userid = floodme_cloned.userids().next().unwrap();
let certifications = (0..key_count).flat_map(|_| {
generate_certifications(&userid, &floodme_cloned, sigs_per_key)
.unwrap()
});
floodme = floodme.insert_packets(certifications)?;
floodme.export_to_vec()
}
/// Parse the cert, unwrap to notice errors
fn read_cert(bytes: &[u8]) {
Cert::from_bytes(bytes).unwrap();
}
/// Generate the cert and benchmark parsing.
/// The generated cert is signed by multiple other keys, 1 signature per key.
fn parse_cert_generated(
group: &mut BenchmarkGroup<'_, criterion::measurement::WallTime>,
name: &str,
signature_count: usize,
) {
let bytes = generate_flooded_cert(signature_count, 1).unwrap();
group.throughput(Throughput::Bytes(bytes.len().try_into().unwrap()));
group.bench_with_input(
BenchmarkId::new(name, signature_count),
&bytes,
|b, bytes| b.iter(|| read_cert(bytes)),
);
}
/// Benchmark parsing a generated cert with a given number of signatures
fn bench_parse_certs_generated(c: &mut Criterion) {
let mut group = c.benchmark_group("parse flooded cert");
parse_cert_generated(&mut group, "flooded", 100);
parse_cert_generated(&mut group, "flooded", 316);
parse_cert_generated(&mut group, "flooded", 1000);
parse_cert_generated(&mut group, "flooded", 3162);
group.finish();
}
/// Benchmark parsing a typical cert
fn bench_parse_certs(c: &mut Criterion) {
let mut group = c.benchmark_group("parse typical cert");
let bytes = include_bytes!("../tests/data/keys/neal.pgp");
group.throughput(Throughput::Bytes(bytes.len().try_into().unwrap()));
group.bench_function("neal.pgp", |b| b.iter(|| read_cert(bytes)));
group.finish();
}
criterion_group!(benches, bench_parse_certs, bench_parse_certs_generated);
|
