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Add schemes (#71)

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* Move br + cbt to schemes/tfhe

* refactor blind rotation

* refactor circuit bootstrapping

* renamed exec -> prepared
This commit is contained in:
Jean-Philippe Bossuat
2025-08-15 15:06:26 +02:00
committed by GitHub
parent 8d9897b88b
commit c7219c35e9
130 changed files with 2631 additions and 3270 deletions
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70
core/src/layouts/prepared/ggsw_ct.rs
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@@ -3,17 +3,20 @@ use backend::hal::{
layouts::{Backend, Data, DataMut, DataRef, Module, Scratch, VmpPMat},
};
use crate::layouts::{GGSWCiphertext, Infos};
use crate::layouts::{
GGSWCiphertext, Infos,
prepared::{Prepare, PrepareAlloc},
};
#[derive(PartialEq, Eq)]
pub struct GGSWCiphertextExec<D: Data, B: Backend> {
pub struct GGSWCiphertextPrepared<D: Data, B: Backend> {
pub(crate) data: VmpPMat<D, B>,
pub(crate) basek: usize,
pub(crate) k: usize,
pub(crate) digits: usize,
}
impl<B: Backend> GGSWCiphertextExec<Vec<u8>, B> {
impl<B: Backend> GGSWCiphertextPrepared<Vec<u8>, B> {
pub fn alloc(module: &Module<B>, n: usize, basek: usize, k: usize, rows: usize, digits: usize, rank: usize) -> Self
where
Module<B>: VmpPMatAlloc<B>,
@@ -66,30 +69,9 @@ impl<B: Backend> GGSWCiphertextExec<Vec<u8>, B> {
module.vmp_pmat_alloc_bytes(n, rows, rank + 1, rank + 1, size)
}
pub fn from<DataOther: DataRef>(
module: &Module<B>,
other: &GGSWCiphertext<DataOther>,
scratch: &mut Scratch<B>,
) -> GGSWCiphertextExec<Vec<u8>, B>
where
Module<B>: VmpPMatAlloc<B> + VmpPMatPrepare<B>,
{
let mut ggsw_exec: GGSWCiphertextExec<Vec<u8>, B> = Self::alloc(
module,
other.n(),
other.basek(),
other.k(),
other.rows(),
other.digits(),
other.rank(),
);
ggsw_exec.prepare(module, other, scratch);
ggsw_exec
}
}
impl<D: Data, B: Backend> Infos for GGSWCiphertextExec<D, B> {
impl<D: Data, B: Backend> Infos for GGSWCiphertextPrepared<D, B> {
type Inner = VmpPMat<D, B>;
fn inner(&self) -> &Self::Inner {
@@ -105,7 +87,7 @@ impl<D: Data, B: Backend> Infos for GGSWCiphertextExec<D, B> {
}
}
impl<D: Data, B: Backend> GGSWCiphertextExec<D, B> {
impl<D: Data, B: Backend> GGSWCiphertextPrepared<D, B> {
pub fn rank(&self) -> usize {
self.data.cols_out() - 1
}
@@ -115,15 +97,39 @@ impl<D: Data, B: Backend> GGSWCiphertextExec<D, B> {
}
}
impl<DataSelf: DataMut, B: Backend> GGSWCiphertextExec<DataSelf, B> {
pub fn prepare<DataOther>(&mut self, module: &Module<B>, other: &GGSWCiphertext<DataOther>, scratch: &mut Scratch<B>)
where
DataOther: DataRef,
Module<B>: VmpPMatPrepare<B>,
{
impl<D: DataRef, B: Backend> GGSWCiphertextPrepared<D, B> {
pub fn data(&self) -> &VmpPMat<D, B> {
&self.data
}
}
impl<D: DataMut, DR: DataRef, B: Backend> Prepare<B, GGSWCiphertext<DR>> for GGSWCiphertextPrepared<D, B>
where
Module<B>: VmpPMatPrepare<B>,
{
fn prepare(&mut self, module: &Module<B>, other: &GGSWCiphertext<DR>, scratch: &mut Scratch<B>) {
module.vmp_prepare(&mut self.data, &other.data, scratch);
self.k = other.k;
self.basek = other.basek;
self.digits = other.digits;
}
}
impl<D: DataRef, B: Backend> PrepareAlloc<B, GGSWCiphertextPrepared<Vec<u8>, B>> for GGSWCiphertext<D>
where
Module<B>: VmpPMatAlloc<B> + VmpPMatPrepare<B>,
{
fn prepare_alloc(&self, module: &Module<B>, scratch: &mut Scratch<B>) -> GGSWCiphertextPrepared<Vec<u8>, B> {
let mut ggsw_prepared: GGSWCiphertextPrepared<Vec<u8>, B> = GGSWCiphertextPrepared::alloc(
module,
self.n(),
self.basek(),
self.k(),
self.rows(),
self.digits(),
self.rank(),
);
ggsw_prepared.prepare(module, self, scratch);
ggsw_prepared
}
}