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removed div_ceil

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This commit is contained in:
Jean-Philippe Bossuat
2025-06-17 09:33:04 +02:00
parent e6ec588d6d
commit 4753b73cc7
15 changed files with 103 additions and 112 deletions
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8
core/src/gglwe_ciphertext.rs
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@@ -4,7 +4,7 @@ use backend::{
};
use sampling::source::Source;
use crate::{GLWECiphertext, GLWECiphertextFourier, GLWESecret, GetRow, Infos, ScratchCore, SetRow, div_ceil};
use crate::{GLWECiphertext, GLWECiphertextFourier, GLWESecret, GetRow, Infos, ScratchCore, SetRow};
pub struct GGLWECiphertext<C, B: Backend> {
pub(crate) data: MatZnxDft<C, B>,
@@ -23,7 +23,7 @@ impl<B: Backend> GGLWECiphertext<Vec<u8>, B> {
rank_in: usize,
rank_out: usize,
) -> Self {
let size: usize = div_ceil(k, basek);
let size: usize = k.div_ceil(basek);
debug_assert!(
size > digits,
"invalid gglwe: ceil(k/basek): {} <= digits: {}",
@@ -56,7 +56,7 @@ impl<B: Backend> GGLWECiphertext<Vec<u8>, B> {
rank_in: usize,
rank_out: usize,
) -> usize {
let size: usize = div_ceil(k, basek);
let size: usize = k.div_ceil(basek);
debug_assert!(
size > digits,
"invalid gglwe: ceil(k/basek): {} <= digits: {}",
@@ -112,7 +112,7 @@ impl<T, B: Backend> GGLWECiphertext<T, B> {
impl GGLWECiphertext<Vec<u8>, FFT64> {
pub fn generate_from_sk_scratch_space(module: &Module<FFT64>, basek: usize, k: usize, rank: usize) -> usize {
let size = div_ceil(k, basek);
let size = k.div_ceil(basek);
GLWECiphertext::encrypt_sk_scratch_space(module, basek, k)
+ module.bytes_of_vec_znx(rank + 1, size)
+ module.bytes_of_vec_znx(1, size)