tnt-bls 0.1.8

Aggregate BLS-like signatures (a fork of w3f-bls crate for Tangle Network)
Documentation 
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#[cfg(feature = "experimental")]
use tnt_bls::{distinct::DistinctMessages, Keypair, Message, Signed, ZBLS};

/// Run using
/// ```sh
/// cargo run --features "experimental" --example aggregated
/// ```
fn main() {
    #[cfg(feature = "experimental")]
    {
        let mut keypairs = [
            Keypair::<ZBLS>::generate(::rand::thread_rng()),
            Keypair::<ZBLS>::generate(::rand::thread_rng()),
        ];
        let msgs = [
            "The ships",
            "hung in the sky",
            "in much the same way",
            "that bricks don’t.",
        ]
        .iter()
        .map(|m| Message::new(b"Some context", m.as_bytes()))
        .collect::<Vec<_>>();
        let sigs = msgs
            .iter()
            .zip(keypairs.iter_mut())
            .map(|(m, k)| k.signed_message(m))
            .collect::<Vec<_>>();

        let dms = sigs
            .iter()
            .try_fold(DistinctMessages::<ZBLS>::new(), |dm, sig| dm.add(sig))
            .unwrap();
        let signature = <&DistinctMessages<ZBLS> as Signed>::signature(&&dms);

        let publickeys = keypairs.iter().map(|k| k.public).collect::<Vec<_>>();
        let mut dms = msgs
            .into_iter()
            .zip(publickeys)
            .try_fold(
                DistinctMessages::<ZBLS>::new(),
                |dm, (message, publickey)| dm.add_message_n_publickey(message, publickey),
            )
            .unwrap();
        dms.add_signature(&signature);
        assert!(dms.verify())
    }
}