fn random_scalar()

in src/group/ristretto.rs [105:117]

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

    fn random_scalar<R: RngCore + CryptoRng>(rng: &mut R) -> Self::Scalar {
        loop {
            let scalar = {
                let mut scalar_bytes = [0u8; 64];
                rng.fill_bytes(&mut scalar_bytes);
                Scalar::from_bytes_mod_order_wide(&scalar_bytes)
            };

            if scalar != Scalar::zero() {
                break scalar;
            }
        }
    }