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Support for bivariate convolution & normalization with offset (#126)

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* Add bivariate-convolution
* Add pair-wise convolution + tests + benches
* Add take_cnv_pvec_[left/right] to Scratch & updated CHANGELOG.md
* cross-base2k normalization with positive offset
* clippy & fix CI doctest avx compile error
* more streamlined bounds derivation for normalization
* Working cross-base2k normalization with pos/neg offset
* Update normalization API & tests
* Add glwe tensoring test
* Add relinearization + preliminary test
* Fix GGLWEToGGSW key infos
* Add (X,Y) convolution by const (1, Y) poly
* Faster normalization test + add bench for cnv_by_const
* Update changelog
This commit is contained in:
Jean-Philippe Bossuat
2025-12-21 16:56:42 +01:00
committed by GitHub
parent 76424d0ab5
commit 4e90e08a71
219 changed files with 6571 additions and 5041 deletions
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32
poulpy-schemes/examples/bdd_arithmetic.rs
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@@ -162,14 +162,7 @@ where
// This key is required to prepare all Fhe Integers for operations,
// and for performing the operations themselves
let mut bdd_key: BDDKey<Vec<u8>, BRA> = BDDKey::alloc_from_infos(&bdd_layout);
bdd_key.encrypt_sk(
&module,
&sk_lwe,
&sk_glwe,
&mut source_xa,
&mut source_xe,
scratch.borrow(),
);
bdd_key.encrypt_sk(&module, &sk_lwe, &sk_glwe, &mut source_xa, &mut source_xe, scratch.borrow());
////////// Input Encryption
// Encrypting the inputs
@@ -216,13 +209,7 @@ where
let mut c_enc: FheUint<Vec<u8>, u32> = FheUint::alloc_from_infos(&glwe_layout);
// Performing the operation
c_enc.add(
&module,
&a_enc_prepared,
&b_enc_prepared,
&bdd_key_prepared,
scratch.borrow(),
);
c_enc.add(&module, &a_enc_prepared, &b_enc_prepared, &bdd_key_prepared, scratch.borrow());
// Preparing the intermediate result ciphertext, c_enc, for the next operation
let mut c_enc_prepared: FheUintPrepared<Vec<u8>, u32, BE> = FheUintPrepared::alloc_from_infos(&module, &ggsw_layout);
@@ -230,13 +217,7 @@ where
// Creating the output ciphertext d_enc
let mut selected_enc: FheUint<Vec<u8>, u32> = FheUint::alloc_from_infos(&glwe_layout);
selected_enc.xor(
&module,
&c_enc_prepared,
&a_enc_prepared,
&bdd_key_prepared,
scratch.borrow(),
);
selected_enc.xor(&module, &c_enc_prepared, &a_enc_prepared, &bdd_key_prepared, scratch.borrow());
//////// Homomorphic computation ends here ////////
@@ -301,12 +282,7 @@ where
);
let mut input_selector_enc_prepared: FheUintPrepared<Vec<u8>, u32, BE> =
FheUintPrepared::alloc_from_infos(&module, &ggsw_layout);
input_selector_enc_prepared.prepare(
&module,
&input_selector_enc,
&bdd_key_prepared,
scratch.borrow(),
);
input_selector_enc_prepared.prepare(&module, &input_selector_enc, &bdd_key_prepared, scratch.borrow());
module.glwe_blind_selection(
&mut selected_enc,