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wip on BR + added enc/dec for LWE

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This commit is contained in:
Jean-Philippe Bossuat
2025-06-13 20:45:24 +02:00
parent e8cfb5e2ab
commit 829b8be610
43 changed files with 745 additions and 688 deletions
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8
core/src/glwe/keyswitch.rs
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@@ -3,7 +3,7 @@ use backend::{
VecZnxDftOps, ZnxZero,
};
use crate::{FourierGLWECiphertext, GLWECiphertext, GLWESwitchingKey, Infos, div_ceil};
use crate::{FourierGLWECiphertext, GLWECiphertext, GLWESwitchingKey, Infos};
impl GLWECiphertext<Vec<u8>> {
pub fn keyswitch_scratch_space(
@@ -17,9 +17,9 @@ impl GLWECiphertext<Vec<u8>> {
rank_out: usize,
) -> usize {
let res_dft: usize = FourierGLWECiphertext::bytes_of(module, basek, k_out, rank_out + 1);
let in_size: usize = div_ceil(div_ceil(k_in, basek), digits);
let out_size: usize = div_ceil(k_out, basek);
let ksk_size: usize = div_ceil(k_ksk, basek);
let in_size: usize = k_in.div_ceil(basek).div_ceil(digits);
let out_size: usize = k_out.div_ceil(basek);
let ksk_size: usize = k_ksk.div_ceil(basek);
let ai_dft: usize = module.bytes_of_vec_znx_dft(rank_in, in_size);
let vmp: usize = module.vmp_apply_tmp_bytes(out_size, in_size, in_size, rank_in, rank_out + 1, ksk_size)
+ module.bytes_of_vec_znx_dft(rank_in, in_size);