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Add Zn type

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This commit is contained in:
Pro7ech
2025-08-21 12:16:53 +02:00
parent ccd94e36cc
commit bf513dc555
129 changed files with 1400 additions and 686 deletions
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25
poulpy-core/src/keyswitching/ggsw_ct.rs
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@@ -19,7 +19,6 @@ use crate::{
impl GGSWCiphertext<Vec<u8>> {
pub(crate) fn expand_row_scratch_space<B: Backend>(
module: &Module<B>,
n: usize,
basek: usize,
self_k: usize,
k_tsk: usize,
@@ -33,10 +32,9 @@ impl GGSWCiphertext<Vec<u8>> {
let self_size_out: usize = self_k.div_ceil(basek);
let self_size_in: usize = self_size_out.div_ceil(digits);
let tmp_dft_i: usize = module.vec_znx_dft_alloc_bytes(n, rank + 1, tsk_size);
let tmp_a: usize = module.vec_znx_dft_alloc_bytes(n, 1, self_size_in);
let tmp_dft_i: usize = module.vec_znx_dft_alloc_bytes(rank + 1, tsk_size);
let tmp_a: usize = module.vec_znx_dft_alloc_bytes(1, self_size_in);
let vmp: usize = module.vmp_apply_tmp_bytes(
n,
self_size_out,
self_size_in,
self_size_in,
@@ -44,15 +42,14 @@ impl GGSWCiphertext<Vec<u8>> {
rank,
tsk_size,
);
let tmp_idft: usize = module.vec_znx_big_alloc_bytes(n, 1, tsk_size);
let norm: usize = module.vec_znx_normalize_tmp_bytes(n);
let tmp_idft: usize = module.vec_znx_big_alloc_bytes(1, tsk_size);
let norm: usize = module.vec_znx_normalize_tmp_bytes();
tmp_dft_i + ((tmp_a + vmp) | (tmp_idft + norm))
}
#[allow(clippy::too_many_arguments)]
pub fn keyswitch_scratch_space<B: Backend>(
module: &Module<B>,
n: usize,
basek: usize,
k_out: usize,
k_in: usize,
@@ -67,18 +64,17 @@ impl GGSWCiphertext<Vec<u8>> {
VecZnxDftAllocBytes + VmpApplyTmpBytes + VecZnxBigAllocBytes + VecZnxNormalizeTmpBytes + VecZnxBigNormalizeTmpBytes,
{
let out_size: usize = k_out.div_ceil(basek);
let res_znx: usize = VecZnx::alloc_bytes(n, rank + 1, out_size);
let ci_dft: usize = module.vec_znx_dft_alloc_bytes(n, rank + 1, out_size);
let ks: usize = GLWECiphertext::keyswitch_scratch_space(module, n, basek, k_out, k_in, k_ksk, digits_ksk, rank, rank);
let expand_rows: usize = GGSWCiphertext::expand_row_scratch_space(module, n, basek, k_out, k_tsk, digits_tsk, rank);
let res_dft: usize = module.vec_znx_dft_alloc_bytes(n, rank + 1, out_size);
let res_znx: usize = VecZnx::alloc_bytes(module.n(), rank + 1, out_size);
let ci_dft: usize = module.vec_znx_dft_alloc_bytes(rank + 1, out_size);
let ks: usize = GLWECiphertext::keyswitch_scratch_space(module, basek, k_out, k_in, k_ksk, digits_ksk, rank, rank);
let expand_rows: usize = GGSWCiphertext::expand_row_scratch_space(module, basek, k_out, k_tsk, digits_tsk, rank);
let res_dft: usize = module.vec_znx_dft_alloc_bytes(rank + 1, out_size);
res_znx + ci_dft + (ks | expand_rows | res_dft)
}
#[allow(clippy::too_many_arguments)]
pub fn keyswitch_inplace_scratch_space<B: Backend>(
module: &Module<B>,
n: usize,
basek: usize,
k_out: usize,
k_ksk: usize,
@@ -92,7 +88,7 @@ impl GGSWCiphertext<Vec<u8>> {
VecZnxDftAllocBytes + VmpApplyTmpBytes + VecZnxBigAllocBytes + VecZnxNormalizeTmpBytes + VecZnxBigNormalizeTmpBytes,
{
GGSWCiphertext::keyswitch_scratch_space(
module, n, basek, k_out, k_out, k_ksk, digits_ksk, k_tsk, digits_tsk, rank,
module, basek, k_out, k_out, k_ksk, digits_ksk, k_tsk, digits_tsk, rank,
)
}
}
@@ -217,7 +213,6 @@ impl<DataSelf: DataMut> GGSWCiphertext<DataSelf> {
scratch.available()
>= GGSWCiphertext::expand_row_scratch_space(
module,
self.n(),
self.basek(),
self.k(),
tsk.k(),