0xalivecow/kauma
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat/refactor: Change gfmul to take references and add field div

Browse source
This commit is contained in:
alivecow 2024-11-13 20:27:20 +01:00
parent 11916e29f0
commit a05f2f02b6
4 changed files with 120 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/utils/poly.rs
View file

@ -7,14 +7,14 @@ use std::{str::FromStr, u128, u8, usize};
use super::{field, math::reverse_bits_in_bytevec};
pub const RED_POLY: u128 = 0x87000000_00000000_00000000_00000000;
pub fn gfmul(poly_a: Vec<u8>, poly_b: Vec<u8>, semantic: &str) -> Result<Vec<u8>> {
pub fn gfmul(poly_a: &Vec<u8>, poly_b: &Vec<u8>, semantic: &str) -> Result<Vec<u8>> {
let mut red_poly_bytes: ByteArray = ByteArray(RED_POLY.to_be_bytes().to_vec());
red_poly_bytes.0.push(0x01);
let mut poly1: ByteArray = ByteArray(poly_a);
let mut poly1: ByteArray = ByteArray(poly_a.to_owned());
poly1.0.push(0x00);
let mut poly2: ByteArray = ByteArray(poly_b);
let mut poly2: ByteArray = ByteArray(poly_b.to_owned());
poly2.0.push(0x00);
if semantic == "gcm" {