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Add cross-base2k GGSW product

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This commit is contained in:
Pro7ech
2025-11-18 09:30:54 +01:00
parent f39e3e2865
commit 0d4f7ed424
9 changed files with 255 additions and 339 deletions
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2
poulpy-core/src/tests/test_suite/automorphism/glwe_ct.rs
View File

@@ -160,7 +160,7 @@ where
let k_out: usize = 102;
let max_dsize: usize = k_out.div_ceil(base2k_key);
let p = -5;
let p: i64 = -5;
for rank in 1_usize..3 {
for dsize in 1..max_dsize + 1 {
let k_ksk: usize = k_out + base2k_key * dsize;

55
poulpy-core/src/tests/test_suite/external_product/gglwe_ksk.rs
View File

@@ -27,24 +27,28 @@ where
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let base2k: usize = 12;
let k_in: usize = 60;
let dsize: usize = k_in.div_ceil(base2k);
let base2k_in: usize = 17;
let base2k_key: usize = 13;
let base2k_out: usize = base2k_in; // MUST BE SAME
let k_in: usize = 102;
let max_dsize: usize = k_in.div_ceil(base2k_key);
for rank_in in 1_usize..3 {
for rank_out in 1_usize..3 {
for di in 1_usize..dsize + 1 {
let k_ggsw: usize = k_in + base2k * di;
for dsize in 1_usize..max_dsize + 1 {
let k_ggsw: usize = k_in + base2k_key * dsize;
let k_out: usize = k_in; // Better capture noise.
let n: usize = module.n();
let dnum: usize = k_in.div_ceil(base2k * di);
let dnum_in: usize = k_in / base2k_in;
let dnum: usize = k_in.div_ceil(base2k_key * dsize);
let dsize_in: usize = 1;
let gglwe_in_infos: GLWESwitchingKeyLayout = GLWESwitchingKeyLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_in.into(),
k: k_in.into(),
dnum: dnum.into(),
dnum: dnum_in.into(),
dsize: dsize_in.into(),
rank_in: rank_in.into(),
rank_out: rank_out.into(),
@@ -52,9 +56,9 @@ where
let gglwe_out_infos: GLWESwitchingKeyLayout = GLWESwitchingKeyLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_out.into(),
k: k_out.into(),
dnum: dnum.into(),
dnum: dnum_in.into(),
dsize: dsize_in.into(),
rank_in: rank_in.into(),
rank_out: rank_out.into(),
@@ -62,10 +66,10 @@ where
let ggsw_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_key.into(),
k: k_ggsw.into(),
dnum: dnum.into(),
dsize: di.into(),
dsize: dsize.into(),
rank: rank_out.into(),
};
@@ -143,7 +147,7 @@ where
let max_noise: f64 = noise_ggsw_product(
n as f64,
base2k * di,
base2k_key * dsize,
var_xs,
var_msg,
var_a0_err,
@@ -176,24 +180,27 @@ where
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let base2k: usize = 12;
let k_out: usize = 60;
let dsize: usize = k_out.div_ceil(base2k);
let base2k_out: usize = 17;
let base2k_key: usize = 13;
let k_out: usize = 102;
let max_dsize: usize = k_out.div_ceil(base2k_key);
for rank_in in 1_usize..3 {
for rank_out in 1_usize..3 {
for di in 1_usize..dsize + 1 {
let k_ggsw: usize = k_out + base2k * di;
for dsize in 1_usize..max_dsize + 1 {
let k_ggsw: usize = k_out + base2k_key * dsize;
let n: usize = module.n();
let dnum: usize = k_out.div_ceil(base2k * di);
let dnum_in: usize = k_out / base2k_out;
let dnum: usize = k_out.div_ceil(base2k_key * dsize);
let dsize_in: usize = 1;
let gglwe_out_infos: GLWESwitchingKeyLayout = GLWESwitchingKeyLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_out.into(),
k: k_out.into(),
dnum: dnum.into(),
dnum: dnum_in.into(),
dsize: dsize_in.into(),
rank_in: rank_in.into(),
rank_out: rank_out.into(),
@@ -201,10 +208,10 @@ where
let ggsw_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_key.into(),
k: k_ggsw.into(),
dnum: dnum.into(),
dsize: di.into(),
dsize: dsize.into(),
rank: rank_out.into(),
};
@@ -281,7 +288,7 @@ where
let max_noise: f64 = noise_ggsw_product(
n as f64,
base2k * di,
base2k_key * dsize,
var_xs,
var_msg,
var_a0_err,

51
poulpy-core/src/tests/test_suite/external_product/ggsw_ct.rs
View File

@@ -26,23 +26,26 @@ where
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let base2k: usize = 12;
let k_in: usize = 60;
let dsize: usize = k_in.div_ceil(base2k);
let base2k_in: usize = 17;
let base2k_key: usize = 13;
let base2k_out: usize = base2k_in; // MUST BE SAME
let k_in: usize = 102;
let max_dsize: usize = k_in.div_ceil(base2k_key);
for rank in 1_usize..3 {
for di in 1..dsize + 1 {
let k_apply: usize = k_in + base2k * di;
for dsize in 1..max_dsize + 1 {
let k_apply: usize = k_in + base2k_key * dsize;
let k_out: usize = k_in; // Better capture noise.
let n: usize = module.n();
let dnum: usize = k_in.div_ceil(base2k * di);
let dnum_in: usize = k_in.div_euclid(base2k * di);
let dnum: usize = k_in.div_ceil(base2k_key * dsize);
let dnum_in: usize = k_in / base2k_in;
let dsize_in: usize = 1;
let ggsw_in_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_in.into(),
k: k_in.into(),
dnum: dnum_in.into(),
dsize: dsize_in.into(),
@@ -51,7 +54,7 @@ where
let ggsw_out_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_out.into(),
k: k_out.into(),
dnum: dnum_in.into(),
dsize: dsize_in.into(),
@@ -60,10 +63,10 @@ where
let ggsw_apply_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_key.into(),
k: k_apply.into(),
dnum: dnum.into(),
dsize: di.into(),
dsize: dsize.into(),
rank: rank.into(),
};
@@ -130,7 +133,7 @@ where
let max_noise = |_col_j: usize| -> f64 {
noise_ggsw_product(
n as f64,
base2k * di,
base2k_key * dsize,
0.5,
var_msg,
var_a0_err,
@@ -160,21 +163,23 @@ where
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let base2k: usize = 12;
let k_out: usize = 60;
let dsize: usize = k_out.div_ceil(base2k);
let base2k_out: usize = 17;
let base2k_key: usize = 13;
let k_out: usize = 102;
let max_dsize: usize = k_out.div_ceil(base2k_key);
for rank in 1_usize..3 {
for di in 1..dsize + 1 {
let k_apply: usize = k_out + base2k * di;
for dsize in 1..max_dsize + 1 {
let k_apply: usize = k_out + base2k_key * dsize;
let n: usize = module.n();
let dnum: usize = k_out.div_ceil(di * base2k);
let dnum_in: usize = k_out.div_euclid(base2k * di);
let dnum: usize = k_out.div_ceil(dsize * base2k_key);
let dnum_in: usize = k_out / base2k_out;
let dsize_in: usize = 1;
let ggsw_out_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_out.into(),
k: k_out.into(),
dnum: dnum_in.into(),
dsize: dsize_in.into(),
@@ -183,10 +188,10 @@ where
let ggsw_apply_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_key.into(),
k: k_apply.into(),
dnum: dnum.into(),
dsize: di.into(),
dsize: dsize.into(),
rank: rank.into(),
};
@@ -253,7 +258,7 @@ where
let max_noise = |_col_j: usize| -> f64 {
noise_ggsw_product(
n as f64,
base2k * di,
base2k_key * dsize,
0.5,
var_msg,
var_a0_err,

68
poulpy-core/src/tests/test_suite/external_product/glwe_ct.rs
View File

@@ -5,7 +5,7 @@ use poulpy_hal::{
};
use crate::{
GGSWEncryptSk, GLWEEncryptSk, GLWEExternalProduct, GLWENoise, ScratchTakeCore,
GGSWEncryptSk, GLWEEncryptSk, GLWEExternalProduct, GLWENoise, GLWENormalize, ScratchTakeCore,
encryption::SIGMA,
layouts::{
GGSW, GGSWLayout, GGSWPreparedFactory, GLWE, GLWELayout, GLWEPlaintext, GLWESecret, GLWESecretPreparedFactory,
@@ -24,41 +24,44 @@ where
+ GLWEEncryptSk<BE>
+ GLWENoise<BE>
+ VecZnxRotateInplace<BE>
+ GLWESecretPreparedFactory<BE>,
+ GLWESecretPreparedFactory<BE>
+ GLWENormalize<BE>,
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let base2k: usize = 12;
let k_in: usize = 45;
let dsize: usize = k_in.div_ceil(base2k);
let base2k_in: usize = 17;
let base2k_key: usize = 13;
let base2k_out: usize = 15;
let k_in: usize = 102;
let max_dsize: usize = k_in.div_ceil(base2k_key);
for rank in 1_usize..3 {
for di in 1..dsize + 1 {
let k_ggsw: usize = k_in + base2k * di;
for dsize in 1..max_dsize + 1 {
let k_ggsw: usize = k_in + base2k_key * dsize;
let k_out: usize = k_ggsw; // Better capture noise
let n: usize = module.n();
let dnum: usize = k_in.div_ceil(base2k * dsize);
let dnum: usize = k_in.div_ceil(k_ggsw * dsize);
let glwe_in_infos: GLWELayout = GLWELayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_in.into(),
k: k_in.into(),
rank: rank.into(),
};
let glwe_out_infos: GLWELayout = GLWELayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_out.into(),
k: k_out.into(),
rank: rank.into(),
};
let ggsw_apply_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_key.into(),
k: k_ggsw.into(),
dnum: dnum.into(),
dsize: di.into(),
dsize: dsize.into(),
rank: rank.into(),
};
@@ -66,16 +69,17 @@ where
let mut glwe_in: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_in_infos);
let mut glwe_out: GLWE<Vec<u8>> = GLWE::alloc_from_infos(&glwe_out_infos);
let mut pt_ggsw: ScalarZnx<Vec<u8>> = ScalarZnx::alloc(n, 1);
let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_in_infos);
let mut pt_in: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_in_infos);
let mut pt_out: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(&glwe_out_infos);
let mut source_xs: Source = Source::new([0u8; 32]);
let mut source_xe: Source = Source::new([0u8; 32]);
let mut source_xa: Source = Source::new([0u8; 32]);
// Random input plaintext
module.vec_znx_fill_uniform(base2k, &mut pt_want.data, 0, &mut source_xa);
module.vec_znx_fill_uniform(base2k_in, &mut pt_in.data, 0, &mut source_xa);
pt_want.data.at_mut(0, 0)[1] = 1;
pt_in.data.at_mut(0, 0)[1] = 1;
let k: usize = 1;
@@ -104,7 +108,7 @@ where
glwe_in.encrypt_sk(
module,
&pt_want,
&pt_in,
&sk_prepared,
&mut source_xa,
&mut source_xe,
@@ -116,7 +120,9 @@ where
glwe_out.external_product(module, &glwe_in, &ct_ggsw_prepared, scratch.borrow());
module.vec_znx_rotate_inplace(k as i64, &mut pt_want.data, 0, scratch.borrow());
module.vec_znx_rotate_inplace(k as i64, &mut pt_in.data, 0, scratch.borrow());
module.glwe_normalize(&mut pt_out, &pt_in, scratch.borrow());
let var_gct_err_lhs: f64 = SIGMA * SIGMA;
let var_gct_err_rhs: f64 = 0f64;
@@ -127,7 +133,7 @@ where
let max_noise: f64 = noise_ggsw_product(
n as f64,
base2k * dsize,
base2k_key * max_dsize,
0.5,
var_msg,
var_a0_err,
@@ -139,7 +145,7 @@ where
k_ggsw,
);
glwe_out.assert_noise(module, &sk_prepared, &pt_want, max_noise + 0.5);
glwe_out.assert_noise(module, &sk_prepared, &pt_out, max_noise + 0.5);
}
}
}
@@ -158,29 +164,31 @@ where
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let base2k: usize = 12;
let k_out: usize = 60;
let dsize: usize = k_out.div_ceil(base2k);
let base2k_out: usize = 17;
let base2k_key: usize = 13;
let k_out: usize = 102;
let max_dsize: usize = k_out.div_ceil(base2k_key);
for rank in 1_usize..3 {
for di in 1..dsize + 1 {
let k_ggsw: usize = k_out + base2k * di;
for dsize in 1..max_dsize + 1 {
let k_ggsw: usize = k_out + base2k_key * dsize;
let n: usize = module.n();
let dnum: usize = k_out.div_ceil(base2k * dsize);
let dnum: usize = k_out.div_ceil(base2k_out * max_dsize);
let glwe_out_infos: GLWELayout = GLWELayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_out.into(),
k: k_out.into(),
rank: rank.into(),
};
let ggsw_apply_infos: GGSWLayout = GGSWLayout {
n: n.into(),
base2k: base2k.into(),
base2k: base2k_key.into(),
k: k_ggsw.into(),
dnum: dnum.into(),
dsize: di.into(),
dsize: dsize.into(),
rank: rank.into(),
};
@@ -194,7 +202,7 @@ where
let mut source_xa: Source = Source::new([0u8; 32]);
// Random input plaintext
module.vec_znx_fill_uniform(base2k, &mut pt_want.data, 0, &mut source_xa);
module.vec_znx_fill_uniform(base2k_out, &mut pt_want.data, 0, &mut source_xa);
pt_want.data.at_mut(0, 0)[1] = 1;
@@ -248,7 +256,7 @@ where
let max_noise: f64 = noise_ggsw_product(
n as f64,
base2k * dsize,
base2k_key * max_dsize,
0.5,
var_msg,
var_a0_err,