fn prf()

in src/voprf.rs [583:601]

• 17 lines of code
• 1 McCabe index (conditional complexity)

    fn prf<CS: CipherSuite>(
        input: &[u8],
        key: <CS::Group as Group>::Scalar,
        mode: Mode,
    ) -> Output<CS::Hash>
    where
        <CS::Hash as OutputSizeUser>::OutputSize:
            IsLess<U256> + IsLessOrEqual<<CS::Hash as BlockSizeUser>::BlockSize>,
    {
        let dst = GenericArray::from(STR_HASH_TO_GROUP).concat(create_context_string::<CS>(mode));
        let point = CS::Group::hash_to_curve::<CS>(&[input], &dst).unwrap();

        let res = point * &key;

        finalize_after_unblind::<CS, _, _>(iter::once((input, res)))
            .next()
            .unwrap()
            .unwrap()
    }