arnaucube/poulpy
1
0
Fork 0
mirror of https://github.com/arnaucube/poulpy.git synced 2026-02-10 13:16:44 +01:00
Code Issues Packages Projects Releases Wiki Activity

wip

Browse Source
This commit is contained in:
Pro7ech
2025-10-14 18:46:25 +02:00
parent 0533cdff8a
commit 72dca47cbe
153 changed files with 3099 additions and 1956 deletions
Download Patch File Download Diff File Expand all files Collapse all files

153
poulpy-core/src/layouts/compressed/lwe_ct.rs
View File

@@ -2,21 +2,24 @@ use std::fmt;
use poulpy_hal::{
api::ZnFillUniform,
layouts::{Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo, Zn, ZnxInfos, ZnxView, ZnxViewMut},
layouts::{
Backend, Data, DataMut, DataRef, FillUniform, Module, ReaderFrom, WriterTo, Zn, ZnToMut, ZnToRef, ZnxInfos, ZnxView,
ZnxViewMut,
},
source::Source,
};
use crate::layouts::{Base2K, Degree, LWECiphertext, LWEInfos, TorusPrecision, compressed::Decompress};
use crate::layouts::{Base2K, Degree, LWE, LWEInfos, LWEToMut, TorusPrecision};
#[derive(PartialEq, Eq, Clone)]
pub struct LWECiphertextCompressed<D: Data> {
pub struct LWECompressed<D: Data> {
pub(crate) data: Zn<D>,
pub(crate) k: TorusPrecision,
pub(crate) base2k: Base2K,
pub(crate) seed: [u8; 32],
}
impl<D: Data> LWEInfos for LWECiphertextCompressed<D> {
impl<D: Data> LWEInfos for LWECompressed<D> {
fn base2k(&self) -> Base2K {
self.base2k
}
@@ -34,17 +37,17 @@ impl<D: Data> LWEInfos for LWECiphertextCompressed<D> {
}
}
impl<D: DataRef> fmt::Debug for LWECiphertextCompressed<D> {
impl<D: DataRef> fmt::Debug for LWECompressed<D> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{self}")
}
}
impl<D: DataRef> fmt::Display for LWECiphertextCompressed<D> {
impl<D: DataRef> fmt::Display for LWECompressed<D> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"LWECiphertextCompressed: base2k={} k={} seed={:?}: {}",
"LWECompressed: base2k={} k={} seed={:?}: {}",
self.base2k(),
self.k(),
self.seed,
@@ -53,22 +56,15 @@ impl<D: DataRef> fmt::Display for LWECiphertextCompressed<D> {
}
}
impl<D: DataMut> FillUniform for LWECiphertextCompressed<D> {
impl<D: DataMut> FillUniform for LWECompressed<D> {
fn fill_uniform(&mut self, log_bound: usize, source: &mut Source) {
self.data.fill_uniform(log_bound, source);
}
}
impl LWECiphertextCompressed<Vec<u8>> {
pub fn alloc<A>(infos: &A) -> Self
where
A: LWEInfos,
{
Self::alloc_with(infos.base2k(), infos.k())
}
pub fn alloc_with(base2k: Base2K, k: TorusPrecision) -> Self {
Self {
pub trait LWECompressedAlloc {
fn alloc_lwe_compressed(&self, base2k: Base2K, k: TorusPrecision) -> LWECompressed<Vec<u8>> {
LWECompressed {
data: Zn::alloc(1, 1, k.0.div_ceil(base2k.0) as usize),
k,
base2k,
@@ -76,21 +72,60 @@ impl LWECiphertextCompressed<Vec<u8>> {
}
}
pub fn alloc_bytes<A>(infos: &A) -> usize
fn alloc_lwe_compressed_from_infos<A>(&self, infos: &A) -> LWECompressed<Vec<u8>>
where
A: LWEInfos,
{
Self::alloc_bytes_with(infos.base2k(), infos.k())
self.alloc_lwe_compressed(infos.base2k(), infos.k())
}
pub fn alloc_bytes_with(base2k: Base2K, k: TorusPrecision) -> usize {
Zn::alloc_bytes(1, 1, k.0.div_ceil(base2k.0) as usize)
fn bytes_of_lwe_compressed(&self, base2k: Base2K, k: TorusPrecision) -> usize {
Zn::bytes_of(1, 1, k.0.div_ceil(base2k.0) as usize)
}
fn bytes_of_lwe_compressed_from_infos<A>(&self, infos: &A) -> usize
where
A: LWEInfos,
{
self.bytes_of_lwe_compressed(infos.base2k(), infos.k())
}
}
impl LWECompressed<Vec<u8>> {
pub fn alloc_from_infos<A, B: Backend>(module: &Module<B>, infos: &A) -> Self
where
A: LWEInfos,
Module<B>: LWECompressedAlloc,
{
module.alloc_lwe_compressed_from_infos(infos)
}
pub fn alloc<B: Backend>(module: &Module<B>, base2k: Base2K, k: TorusPrecision) -> Self
where
Module<B>: LWECompressedAlloc,
{
module.alloc_lwe_compressed(base2k, k)
}
pub fn bytes_of_from_infos<A, B: Backend>(module: &Module<B>, infos: &A) -> usize
where
A: LWEInfos,
Module<B>: LWECompressedAlloc,
{
module.bytes_of_lwe_compressed_from_infos(infos)
}
pub fn bytes_of<B: Backend>(module: &Module<B>, base2k: Base2K, k: TorusPrecision) -> usize
where
Module<B>: LWECompressedAlloc,
{
module.bytes_of_lwe_compressed(base2k, k)
}
}
use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
impl<D: DataMut> ReaderFrom for LWECiphertextCompressed<D> {
impl<D: DataMut> ReaderFrom for LWECompressed<D> {
fn read_from<R: std::io::Read>(&mut self, reader: &mut R) -> std::io::Result<()> {
self.k = TorusPrecision(reader.read_u32::<LittleEndian>()?);
self.base2k = Base2K(reader.read_u32::<LittleEndian>()?);
@@ -99,7 +134,7 @@ impl<D: DataMut> ReaderFrom for LWECiphertextCompressed<D> {
}
}
impl<D: DataRef> WriterTo for LWECiphertextCompressed<D> {
impl<D: DataRef> WriterTo for LWECompressed<D> {
fn write_to<W: std::io::Write>(&self, writer: &mut W) -> std::io::Result<()> {
writer.write_u32::<LittleEndian>(self.k.into())?;
writer.write_u32::<LittleEndian>(self.base2k.into())?;
@@ -108,22 +143,72 @@ impl<D: DataRef> WriterTo for LWECiphertextCompressed<D> {
}
}
impl<D: DataMut, B: Backend, DR: DataRef> Decompress<B, LWECiphertextCompressed<DR>> for LWECiphertext<D>
pub trait LWEDecompress
where
Module<B>: ZnFillUniform,
Self: ZnFillUniform,
{
fn decompress(&mut self, module: &Module<B>, other: &LWECiphertextCompressed<DR>) {
debug_assert_eq!(self.size(), other.size());
fn decompress_lwe<R, O>(&self, res: &mut R, other: &O)
where
R: LWEToMut,
O: LWECompressedToRef,
{
let res: &mut LWE<&mut [u8]> = &mut res.to_mut();
let other: &LWECompressed<&[u8]> = &other.to_ref();
assert_eq!(res.lwe_layout(), other.lwe_layout());
let mut source: Source = Source::new(other.seed);
module.zn_fill_uniform(
self.n().into(),
self.zn_fill_uniform(
res.n().into(),
other.base2k().into(),
&mut self.data,
&mut res.data,
0,
&mut source,
);
(0..self.size()).for_each(|i| {
self.data.at_mut(0, i)[0] = other.data.at(0, i)[0];
});
for i in 0..res.size() {
res.data.at_mut(0, i)[0] = other.data.at(0, i)[0];
}
}
}
impl<B: Backend> LWEDecompress for Module<B> where Self: ZnFillUniform {}
impl<D: DataMut> LWE<D> {
pub fn decompress<O, B: Backend>(&mut self, module: &Module<B>, other: &O)
where
O: LWECompressedToRef,
Module<B>: LWEDecompress,
{
module.decompress_lwe(self, other);
}
}
pub trait LWECompressedToRef {
fn to_ref(&self) -> LWECompressed<&[u8]>;
}
impl<D: DataRef> LWECompressedToRef for LWECompressed<D> {
fn to_ref(&self) -> LWECompressed<&[u8]> {
LWECompressed {
k: self.k,
base2k: self.base2k,
seed: self.seed,
data: self.data.to_ref(),
}
}
}
pub trait LWECompressedToMut {
fn to_mut(&mut self) -> LWECompressed<&mut [u8]>;
}
impl<D: DataMut> LWECompressedToMut for LWECompressed<D> {
fn to_mut(&mut self) -> LWECompressed<&mut [u8]> {
LWECompressed {
k: self.k,
base2k: self.base2k,
seed: self.seed,
data: self.data.to_mut(),
}
}
}