crypto_bigint::modular

Function montgomery_reduction

Source 
pub const fn montgomery_reduction<const LIMBS: usize>(
    lower_upper: &(Uint<LIMBS>, Uint<LIMBS>),
    modulus: &Uint<LIMBS>,
    mod_neg_inv: Limb,
) -> Uint<LIMBS>
Expand description

Algorithm 14.32 in Handbook of Applied Cryptography https://cacr.uwaterloo.ca/hac/about/chap14.pdf