arcium-primitives 0.4.5

Arcium primitives
Documentation 
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pub mod random;
pub mod sharing;
pub mod types;

pub use types::*;

#[cfg(test)]
mod tests {
    use itertools::Itertools;
    use typenum::{Unsigned, U5};

    use crate::{
        algebra::elliptic_curve::{Curve25519Ristretto, ScalarField},
        correlated_randomness::singlets::Singlets,
        random::{Random, RandomWith},
        sharing::Verifiable,
    };

    pub type Fq = ScalarField<Curve25519Ristretto>;

    #[test]
    fn test_random_singlets() {
        let n_parties = 3;
        type NSamples = U5;
        let mut rng = crate::random::test_rng();

        // Generate singlets
        let random_singlets: Vec<_> = Singlets::<Fq, NSamples>::random_n(&mut rng, n_parties);

        // Verify the singlets
        Singlets::verify_all(random_singlets).unwrap();
    }

    #[test]
    fn test_collect_singlets() {
        let n_parties = 3;
        type NSamples = U5;
        let mut rng = crate::random::test_rng();

        // Generate singlets
        let random_singlet = Singlets::<Fq, NSamples>::random_with(&mut rng, n_parties);

        // Collect them into a vector of vectors
        let collected_singlets = random_singlet.clone().into_iter().collect_vec();

        // Check that the singlets were collected correctly
        assert_eq!(collected_singlets.len(), NSamples::USIZE);
        for (i, singlet) in collected_singlets.iter().enumerate().take(NSamples::USIZE) {
            assert_eq!(
                singlet.0.get_value().to_owned(),
                random_singlet.0.get_value()[i]
            );
        }
    }

    #[test]
    fn test_iter_singlets() {
        let n_parties = 3;
        type NSamples = U5;
        let mut rng = crate::random::test_rng();

        // Generate singlets
        let singlets = Singlets::<Fq, NSamples>::random_n::<Vec<_>>(&mut rng, n_parties)[0].clone();

        // Iterate over them and collect back
        let collected_singlets = singlets
            .clone()
            .into_iter()
            .collect::<Singlets<Fq, NSamples>>();

        // Check that the singlets were collected correctly
        assert_eq!(collected_singlets.0, singlets.0);
    }

    #[test]
    fn test_ref_iter_singlets() {
        let n_parties = 3;
        type NSamples = U5;
        let mut rng = crate::random::test_rng();

        // Generate singlets
        let singlets = Singlets::<Fq, NSamples>::random_n::<Vec<_>>(&mut rng, n_parties)[0].clone();

        // Iterate over them and collect back
        let collected_singlets = (&singlets).into_iter().collect::<Singlets<Fq, NSamples>>();

        // Check that the singlets were collected correctly
        assert_eq!(collected_singlets.0, singlets.0);
    }

    #[test]
    fn test_into_parallel_iter() {
        use rayon::prelude::*;

        let n_parties = 3;
        type NSamples = U5;
        let mut rng = crate::random::test_rng();

        // Generate singlets
        let singlets = Singlets::<Fq, NSamples>::random_n::<Vec<_>>(&mut rng, n_parties)[0].clone();

        // Iterate over them and collect back
        let collected_singlets = singlets.clone().into_par_iter().collect::<Vec<_>>();
        let collected_singlets = Singlets::<Fq, NSamples>::from_iter(collected_singlets);

        // Check that the singlets were collected correctly
        assert_eq!(collected_singlets.0, singlets.0);
    }
}