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Add Hardware Abstraction Layer (#56)

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This commit is contained in:
Jean-Philippe Bossuat
2025-08-08 19:22:42 +02:00
committed by GitHub
parent 833520b163
commit 0e0745065e
194 changed files with 17397 additions and 11955 deletions
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41
core/src/lwe/ciphertext.rs
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@@ -1,8 +1,11 @@
use backend::{VecZnx, VecZnxToMut, VecZnxToRef};
use backend::hal::{
api::ZnxInfos,
layouts::{Data, DataMut, DataRef, ReaderFrom, VecZnx, VecZnxToMut, VecZnxToRef, WriterTo},
};
use crate::{Infos, SetMetaData};
pub struct LWECiphertext<D> {
pub struct LWECiphertext<D: Data> {
pub(crate) data: VecZnx<D>,
pub(crate) k: usize,
pub(crate) basek: usize,
@@ -18,11 +21,14 @@ impl LWECiphertext<Vec<u8>> {
}
}
impl<T> Infos for LWECiphertext<T> {
type Inner = VecZnx<T>;
impl<D: Data> Infos for LWECiphertext<D>
where
VecZnx<D>: ZnxInfos,
{
type Inner = VecZnx<D>;
fn n(&self) -> usize {
&self.inner().n - 1
&self.inner().n() - 1
}
fn inner(&self) -> &Self::Inner {
@@ -38,7 +44,7 @@ impl<T> Infos for LWECiphertext<T> {
}
}
impl<DataSelf: AsMut<[u8]> + AsRef<[u8]>> SetMetaData for LWECiphertext<DataSelf> {
impl<DataSelf: DataMut> SetMetaData for LWECiphertext<DataSelf> {
fn set_k(&mut self, k: usize) {
self.k = k
}
@@ -52,7 +58,7 @@ pub trait LWECiphertextToRef {
fn to_ref(&self) -> LWECiphertext<&[u8]>;
}
impl<D: AsRef<[u8]>> LWECiphertextToRef for LWECiphertext<D> {
impl<D: DataRef> LWECiphertextToRef for LWECiphertext<D> {
fn to_ref(&self) -> LWECiphertext<&[u8]> {
LWECiphertext {
data: self.data.to_ref(),
@@ -63,10 +69,11 @@ impl<D: AsRef<[u8]>> LWECiphertextToRef for LWECiphertext<D> {
}
pub trait LWECiphertextToMut {
#[allow(dead_code)]
fn to_mut(&mut self) -> LWECiphertext<&mut [u8]>;
}
impl<D: AsMut<[u8]> + AsRef<[u8]>> LWECiphertextToMut for LWECiphertext<D> {
impl<D: DataMut> LWECiphertextToMut for LWECiphertext<D> {
fn to_mut(&mut self) -> LWECiphertext<&mut [u8]> {
LWECiphertext {
data: self.data.to_mut(),
@@ -75,3 +82,21 @@ impl<D: AsMut<[u8]> + AsRef<[u8]>> LWECiphertextToMut for LWECiphertext<D> {
}
}
}
use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
impl<D: DataMut> ReaderFrom for LWECiphertext<D> {
fn read_from<R: std::io::Read>(&mut self, reader: &mut R) -> std::io::Result<()> {
self.k = reader.read_u64::<LittleEndian>()? as usize;
self.basek = reader.read_u64::<LittleEndian>()? as usize;
self.data.read_from(reader)
}
}
impl<D: DataRef> WriterTo for LWECiphertext<D> {
fn write_to<W: std::io::Write>(&self, writer: &mut W) -> std::io::Result<()> {
writer.write_u64::<LittleEndian>(self.k as u64)?;
writer.write_u64::<LittleEndian>(self.basek as u64)?;
self.data.write_to(writer)
}
}