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Added automorphism for glwe

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This commit is contained in:
Jean-Philippe Bossuat
2025-05-16 14:15:41 +02:00
parent c86af112eb
commit 7434f289fe
7 changed files with 521 additions and 48 deletions
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9
core/src/gglwe_ciphertext.rs
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@@ -21,10 +21,10 @@ pub struct GGLWECiphertext<C, B: Backend> {
}
impl<B: Backend> GGLWECiphertext<Vec<u8>, B> {
pub fn new(module: &Module<B>, base2k: usize, k: usize, rows: usize, rank_in: usize, rank_out: usize) -> Self {
pub fn new(module: &Module<B>, basek: usize, k: usize, rows: usize, rank_in: usize, rank_out: usize) -> Self {
Self {
data: module.new_mat_znx_dft(rows, rank_in, rank_out + 1, derive_size(base2k, k)),
basek: base2k,
data: module.new_mat_znx_dft(rows, rank_in, rank_out + 1, derive_size(basek, k)),
basek: basek,
k,
}
}
@@ -161,6 +161,7 @@ where
(0..cols_in).for_each(|col_i| {
(0..rows).for_each(|row_i| {
// Adds the scalar_znx_pt to the i-th limb of the vec_znx_pt
vec_znx_pt.data.zero(); // zeroes for next iteration
module.vec_znx_add_scalar_inplace(&mut vec_znx_pt, 0, row_i, pt, col_i); // Selects the i-th
module.vec_znx_normalize_inplace(basek, &mut vec_znx_pt, 0, scratch_3);
@@ -175,8 +176,6 @@ where
scratch_3,
);
vec_znx_pt.data.zero(); // zeroes for next iteration
// Switch vec_znx_ct into DFT domain
vec_znx_ct.dft(module, &mut vec_znx_ct_dft);