fn compute_hram()

in src/main.rs [159:169]


fn compute_hram(message: &[u8], pub_key: &EdwardsPoint, signature_r: &EdwardsPoint) -> Scalar {
    let k_bytes = Sha512::default()
        .chain(&signature_r.compress().as_bytes())
        .chain(&pub_key.compress().as_bytes()[..])
        .chain(&message);
    // curve25519_dalek is stuck on an old digest version, so we can't do
    // Scalar::from_hash
    let mut k_output = [0u8; 64];
    k_output.copy_from_slice(k_bytes.finalize().as_slice());
    Scalar::from_bytes_mod_order_wide(&k_output)
}