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Added LWESecret

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This commit is contained in:
Jean-Philippe Bossuat
2025-06-12 11:03:54 +02:00
parent d5dc9e6902
commit ec4253bb1c
4 changed files with 74 additions and 14 deletions
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20
backend/src/scalar_znx.rs
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@@ -104,12 +104,12 @@ impl<D: AsMut<[u8]> + AsRef<[u8]>> ScalarZnx<D> {
}
impl<D: From<Vec<u8>>> ScalarZnx<D> {
pub(crate) fn bytes_of<S: Sized>(n: usize, cols: usize) -> usize {
n * cols * size_of::<S>()
pub(crate) fn bytes_of(n: usize, cols: usize) -> usize {
n * cols * size_of::<i64>()
}
pub(crate) fn new<S: Sized>(n: usize, cols: usize) -> Self {
let data = alloc_aligned::<u8>(Self::bytes_of::<S>(n, cols));
pub fn new(n: usize, cols: usize) -> Self {
let data = alloc_aligned::<u8>(Self::bytes_of(n, cols));
Self {
data: data.into(),
n,
@@ -117,9 +117,9 @@ impl<D: From<Vec<u8>>> ScalarZnx<D> {
}
}
pub(crate) fn new_from_bytes<S: Sized>(n: usize, cols: usize, bytes: impl Into<Vec<u8>>) -> Self {
pub(crate) fn new_from_bytes(n: usize, cols: usize, bytes: impl Into<Vec<u8>>) -> Self {
let data: Vec<u8> = bytes.into();
assert!(data.len() == Self::bytes_of::<S>(n, cols));
assert!(data.len() == Self::bytes_of(n, cols));
Self {
data: data.into(),
n,
@@ -131,7 +131,7 @@ impl<D: From<Vec<u8>>> ScalarZnx<D> {
pub type ScalarZnxOwned = ScalarZnx<Vec<u8>>;
pub(crate) fn bytes_of_scalar_znx<B: Backend>(module: &Module<B>, cols: usize) -> usize {
ScalarZnxOwned::bytes_of::<i64>(module.n(), cols)
ScalarZnxOwned::bytes_of(module.n(), cols)
}
pub trait ScalarZnxAlloc {
@@ -142,13 +142,13 @@ pub trait ScalarZnxAlloc {
impl<B: Backend> ScalarZnxAlloc for Module<B> {
fn bytes_of_scalar_znx(&self, cols: usize) -> usize {
ScalarZnxOwned::bytes_of::<i64>(self.n(), cols)
ScalarZnxOwned::bytes_of(self.n(), cols)
}
fn new_scalar_znx(&self, cols: usize) -> ScalarZnxOwned {
ScalarZnxOwned::new::<i64>(self.n(), cols)
ScalarZnxOwned::new(self.n(), cols)
}
fn new_scalar_znx_from_bytes(&self, cols: usize, bytes: Vec<u8>) -> ScalarZnxOwned {
ScalarZnxOwned::new_from_bytes::<i64>(self.n(), cols, bytes)
ScalarZnxOwned::new_from_bytes(self.n(), cols, bytes)
}
}