Method challenge_group_elem

utils/src/transcript.rs:201–215

(&mut self, label: &'static [u8])

    }

    fn challenge_group_elem<G: AffineRepr>(&mut self, label: &'static [u8]) -> G {
        let mut buf = [0; 64];
        self.merlin.challenge_bytes(label, &mut buf);
        let mut counter = 0;
        loop {
            let c = G::from_random_bytes(&buf);
            if let Some(chal) = c {
                return chal;
            }

            buf[0] = counter;
            counter += 1;
            self.merlin.challenge_bytes(label, &mut buf);
        }
    }

    fn challenge_group_elem_without_static_label<G: AffineRepr>(&mut self, label: &[u8]) -> G {
        let mut buf = [0; 64];