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fixed many test noise check + update noise retrieval (not passing)

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Pro7ech
2025-11-18 17:38:16 +01:00
parent 0d4f7ed424
commit 2fb1627613
34 changed files with 1122 additions and 612 deletions
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192
poulpy-core/src/noise/ggsw.rs
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@@ -1,45 +1,49 @@
use poulpy_hal::{
api::{
ScratchOwnedAlloc, ScratchOwnedBorrow, ScratchTakeBasic, SvpApplyDftToDftInplace, VecZnxAddScalarInplace, VecZnxBigAlloc,
VecZnxBigNormalize, VecZnxDftAlloc, VecZnxDftApply, VecZnxIdftApplyTmpA, VecZnxNormalizeTmpBytes, VecZnxSubInplace,
ScratchTakeBasic, SvpApplyDftToDftInplace, VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxBigNormalizeTmpBytes,
VecZnxDftApply, VecZnxDftBytesOf, VecZnxIdftApplyConsume,
},
layouts::{Backend, DataRef, Module, ScalarZnxToRef, Scratch, ScratchOwned, VecZnxBig, VecZnxDft, ZnxZero},
layouts::{Backend, DataRef, Module, ScalarZnxToRef, Scratch, Stats, ZnxZero},
};
use crate::decryption::GLWEDecrypt;
use crate::layouts::prepared::GLWESecretPreparedToRef;
use crate::layouts::{GGSW, GGSWInfos, GGSWToRef, GLWEInfos, GLWEPlaintext, LWEInfos, prepared::GLWESecretPrepared};
use crate::layouts::{GGSW, GGSWInfos, GGSWToRef, LWEInfos, prepared::GLWESecretPrepared};
use crate::{GLWENoise, layouts::prepared::GLWESecretPreparedToRef};
use crate::{ScratchTakeCore, layouts::GLWEPlaintext};
impl<D: DataRef> GGSW<D> {
pub fn assert_noise<M, BE: Backend, P, S, F>(&self, module: &M, sk_prepared: &S, pt_want: &P, max_noise: &F)
pub fn noise<M, BE: Backend, P, S>(
&self,
module: &M,
row: usize,
col: usize,
pt_want: &P,
sk_prepared: &S,
scratch: &mut Scratch<BE>,
) -> Stats
where
S: GLWESecretPreparedToRef<BE>,
P: ScalarZnxToRef,
M: GGSWNoise<BE>,
F: Fn(usize) -> f64,
Scratch<BE>: ScratchTakeCore<BE>,
{
module.ggsw_assert_noise(self, sk_prepared, pt_want, max_noise);
}
pub fn print_noise<M, BE: Backend, P, S>(&self, module: &M, sk_prepared: &S, pt_want: &P)
where
S: GLWESecretPreparedToRef<BE>,
P: ScalarZnxToRef,
M: GGSWNoise<BE>,
{
module.ggsw_print_noise(self, sk_prepared, pt_want);
module.ggsw_noise(self, row, col, pt_want, sk_prepared, scratch)
}
}
pub trait GGSWNoise<BE: Backend> {
fn ggsw_assert_noise<R, S, P, F>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: &F)
fn ggsw_noise_tmp_bytes<A>(&self, infos: &A) -> usize
where
R: GGSWToRef,
S: GLWESecretPreparedToRef<BE>,
P: ScalarZnxToRef,
F: Fn(usize) -> f64;
A: GGSWInfos;
fn ggsw_print_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P)
fn ggsw_noise<R, S, P>(
&self,
res: &R,
res_row: usize,
res_col: usize,
pt_want: &P,
sk_prepared: &S,
scratch: &mut Scratch<BE>,
) -> Stats
where
R: GGSWToRef,
S: GLWESecretPreparedToRef<BE>,
@@ -48,79 +52,39 @@ pub trait GGSWNoise<BE: Backend> {
impl<BE: Backend> GGSWNoise<BE> for Module<BE>
where
Module<BE>: GLWEDecrypt<BE>
+ VecZnxDftAlloc<BE>
+ VecZnxBigAlloc<BE>
+ VecZnxAddScalarInplace
+ VecZnxIdftApplyTmpA<BE>
+ VecZnxSubInplace,
Scratch<BE>: ScratchTakeBasic,
ScratchOwned<BE>: ScratchOwnedBorrow<BE> + ScratchOwnedAlloc<BE>,
Module<BE>: VecZnxAddScalarInplace
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxDftBytesOf
+ VecZnxBigNormalize<BE>
+ VecZnxBigNormalizeTmpBytes
+ GLWENoise<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn ggsw_assert_noise<R, S, P, F>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: &F)
fn ggsw_noise_tmp_bytes<A>(&self, infos: &A) -> usize
where
R: GGSWToRef,
S: GLWESecretPreparedToRef<BE>,
P: ScalarZnxToRef,
F: Fn(usize) -> f64,
A: GGSWInfos,
{
let res: &GGSW<&[u8]> = &res.to_ref();
let sk_prepared: &GLWESecretPrepared<&[u8], BE> = &sk_prepared.to_ref();
let base2k: usize = res.base2k().into();
let dsize: usize = res.dsize().into();
let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
let mut pt_dft: VecZnxDft<Vec<u8>, BE> = self.vec_znx_dft_alloc(1, res.size());
let mut pt_big: VecZnxBig<Vec<u8>, BE> = self.vec_znx_big_alloc(1, res.size());
let mut scratch: ScratchOwned<BE> =
ScratchOwned::alloc(self.glwe_decrypt_tmp_bytes(res) | self.vec_znx_normalize_tmp_bytes());
(0..(res.rank() + 1).into()).for_each(|col_j| {
(0..res.dnum().into()).for_each(|row_i| {
self.vec_znx_add_scalar_inplace(&mut pt.data, 0, (dsize - 1) + row_i * dsize, pt_want, 0);
// mul with sk[col_j-1]
if col_j > 0 {
self.vec_znx_dft_apply(1, 0, &mut pt_dft, 0, &pt.data, 0);
self.svp_apply_dft_to_dft_inplace(&mut pt_dft, 0, &sk_prepared.data, col_j - 1);
self.vec_znx_idft_apply_tmpa(&mut pt_big, 0, &mut pt_dft, 0);
self.vec_znx_big_normalize(
base2k,
&mut pt.data,
0,
base2k,
&pt_big,
0,
scratch.borrow(),
);
}
self.glwe_decrypt(
&res.at(row_i, col_j),
&mut pt_have,
sk_prepared,
scratch.borrow(),
);
self.vec_znx_sub_inplace(&mut pt_have.data, 0, &pt.data, 0);
let std_pt: f64 = pt_have.data.stats(base2k, 0).std().log2();
let noise: f64 = max_noise(col_j);
assert!(std_pt <= noise, "{std_pt} > {noise}");
pt.data.zero();
});
});
GLWEPlaintext::bytes_of_from_infos(infos)
+ (self.bytes_of_vec_znx_dft(1, infos.size()) + self.vec_znx_big_normalize_tmp_bytes())
.max(self.glwe_noise_tmp_bytes(infos))
}
fn ggsw_print_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P)
fn ggsw_noise<R, S, P>(
&self,
res: &R,
res_row: usize,
res_col: usize,
pt_want: &P,
sk_prepared: &S,
scratch: &mut Scratch<BE>,
) -> Stats
where
R: GGSWToRef,
S: GLWESecretPreparedToRef<BE>,
P: ScalarZnxToRef,
Scratch<BE>: ScratchTakeCore<BE>,
{
let res: &GGSW<&[u8]> = &res.to_ref();
let sk_prepared: &GLWESecretPrepared<&[u8], BE> = &sk_prepared.to_ref();
@@ -128,47 +92,19 @@ where
let base2k: usize = res.base2k().into();
let dsize: usize = res.dsize().into();
let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
let mut pt_dft: VecZnxDft<Vec<u8>, BE> = self.vec_znx_dft_alloc(1, res.size());
let mut pt_big: VecZnxBig<Vec<u8>, BE> = self.vec_znx_big_alloc(1, res.size());
let (mut pt, scratch_1) = scratch.take_glwe_plaintext(res);
pt.data_mut().zero();
self.vec_znx_add_scalar_inplace(&mut pt.data, 0, (dsize - 1) + res_row * dsize, pt_want, 0);
let mut scratch: ScratchOwned<BE> =
ScratchOwned::alloc(self.glwe_decrypt_tmp_bytes(res) | self.vec_znx_normalize_tmp_bytes());
for col_j in 0..(res.rank() + 1).into() {
for row_i in 0..res.dnum().into() {
self.vec_znx_add_scalar_inplace(&mut pt.data, 0, (dsize - 1) + row_i * dsize, pt_want, 0);
// mul with sk[col_j-1]
if col_j > 0 {
self.vec_znx_dft_apply(1, 0, &mut pt_dft, 0, &pt.data, 0);
self.svp_apply_dft_to_dft_inplace(&mut pt_dft, 0, &sk_prepared.data, col_j - 1);
self.vec_znx_idft_apply_tmpa(&mut pt_big, 0, &mut pt_dft, 0);
self.vec_znx_big_normalize(
base2k,
&mut pt.data,
0,
base2k,
&pt_big,
0,
scratch.borrow(),
);
}
self.glwe_decrypt(
&res.at(row_i, col_j),
&mut pt_have,
sk_prepared,
scratch.borrow(),
);
self.vec_znx_sub_inplace(&mut pt_have.data, 0, &pt.data, 0);
let std_pt: f64 = pt_have.data.stats(base2k, 0).std().log2();
println!("col: {col_j} row: {row_i}: {std_pt}");
pt.data.zero();
}
// mul with sk[col_j-1]
if res_col > 0 {
let (mut pt_dft, scratch_2) = scratch_1.take_vec_znx_dft(self, 1, res.size());
self.vec_znx_dft_apply(1, 0, &mut pt_dft, 0, &pt.data, 0);
self.svp_apply_dft_to_dft_inplace(&mut pt_dft, 0, &sk_prepared.data, res_col - 1);
let pt_big = self.vec_znx_idft_apply_consume(pt_dft);
self.vec_znx_big_normalize(base2k, &mut pt.data, 0, base2k, &pt_big, 0, scratch_2);
}
self.glwe_noise(&res.at(res_row, res_col), &pt, sk_prepared, scratch_1)
}
}