fn verify_batch_signatures()

in benches/ed25519_benchmarks.rs [71:88]

• 16 lines of code
• 3 McCabe index (conditional complexity)

    fn verify_batch_signatures(c: &mut Criterion) {
        static BATCH_SIZES: [usize; 8] = [4, 8, 16, 32, 64, 96, 128, 256];

        c.bench_function_over_inputs(
            "Ed25519 batch signature verification",
            |b, &&size| {
                let mut csprng: ThreadRng = thread_rng();
                let keypairs: Vec<Keypair> = (0..size).map(|_| Keypair::generate(&mut csprng)).collect();
                let msg: &[u8] = b"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
                let messages: Vec<&[u8]> = (0..size).map(|_| msg).collect();
                let signatures:  Vec<Signature> = keypairs.iter().map(|key| key.sign(&msg)).collect();
                let public_keys: Vec<PublicKey> = keypairs.iter().map(|key| key.public).collect();

                b.iter(|| verify_batch(&messages[..], &signatures[..], &public_keys[..]));
            },
            &BATCH_SIZES,
        );
    }