ct, pk, sk, ksk for glwe and lwe

This commit is contained in:
Rasoul Akhavan Mahdavi
2025-10-16 17:42:39 -04:00
parent cf62c82f48
commit a5600593ca
7 changed files with 345 additions and 159 deletions

View File

@@ -6,7 +6,6 @@ use poulpy_hal::{
VecZnxSwitchRing,
},
layouts::{Backend, DataMut, Module, Scratch},
layouts::{Backend, DataMut, Module, Scratch},
source::Source,
};
@@ -17,8 +16,6 @@ use crate::{
},
};
impl AutomorphismKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<BE: Backend, A>(module: &Module<BE>, infos: &A) -> usize
impl AutomorphismKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<BE: Backend, A>(module: &Module<BE>, infos: &A) -> usize
where
@@ -31,10 +28,8 @@ impl AutomorphismKey<Vec<u8>> {
"rank_in != rank_out is not supported for GGLWEAutomorphismKey"
);
GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos) + GLWESecret::bytes_of_from_infos(module, &infos.glwe_layout())
GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos) + GLWESecret::bytes_of_from_infos(module, &infos.glwe_layout())
}
pub fn encrypt_pk_tmp_bytes<BE: Backend, A>(module: &Module<BE>, _infos: &A) -> usize
pub fn encrypt_pk_tmp_bytes<BE: Backend, A>(module: &Module<BE>, _infos: &A) -> usize
where
A: GGLWEInfos,
@@ -45,7 +40,6 @@ impl AutomorphismKey<Vec<u8>> {
"rank_in != rank_out is not supported for GGLWEAutomorphismKey"
);
GLWESwitchingKey::encrypt_pk_tmp_bytes(module, _infos)
GLWESwitchingKey::encrypt_pk_tmp_bytes(module, _infos)
}
}
@@ -63,25 +57,6 @@ pub trait GGLWEAutomorphismKeyEncryptSk<BE: Backend> {
B: GLWESecretToRef;
}
impl<DM: DataMut> AutomorphismKey<DM>
where
Self: AutomorphismKeyToMut,
{
pub fn encrypt_sk<S, BE: Backend>(
pub trait GGLWEAutomorphismKeyEncryptSk<BE: Backend> {
fn gglwe_automorphism_key_encrypt_sk<A, B>(
&self,
res: &mut A,
p: i64,
sk: &B,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
A: AutomorphismKeyToMut,
B: GLWESecretToRef;
}
impl<DM: DataMut> AutomorphismKey<DM>
where
Self: AutomorphismKeyToMut,
@@ -89,14 +64,11 @@ where
pub fn encrypt_sk<S, BE: Backend>(
&mut self,
module: &Module<BE>,
module: &Module<BE>,
p: i64,
sk: &S,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
scratch: &mut Scratch<BE>,
) where
S: GLWESecretToRef,
Module<BE>: GGLWEAutomorphismKeyEncryptSk<BE>,
@@ -149,29 +121,20 @@ where
{
use crate::layouts::{GLWEInfos, LWEInfos};
assert_eq!(res.n(), sk.n());
assert_eq!(res.rank_out(), res.rank_in());
assert_eq!(sk.rank(), res.rank_out());
assert_eq!(res.n(), sk.n());
assert_eq!(res.rank_out(), res.rank_in());
assert_eq!(sk.rank(), res.rank_out());
assert!(
scratch.available() >= AutomorphismKey::encrypt_sk_tmp_bytes(self, res),
"scratch.available(): {} < AutomorphismKey::encrypt_sk_tmp_bytes: {:?}",
scratch.available() >= AutomorphismKey::encrypt_sk_tmp_bytes(self, res),
"scratch.available(): {} < AutomorphismKey::encrypt_sk_tmp_bytes: {:?}",
scratch.available(),
AutomorphismKey::encrypt_sk_tmp_bytes(self, res)
AutomorphismKey::encrypt_sk_tmp_bytes(self, res)
)
}
let (mut sk_out, scratch_1) = scratch.take_glwe_secret(self, sk.rank());
{
(0..res.rank_out().into()).for_each(|i| {
self.vec_znx_automorphism(
self.galois_element_inv(p),
(0..res.rank_out().into()).for_each(|i| {
self.vec_znx_automorphism(
self.galois_element_inv(p),
@@ -183,12 +146,9 @@ where
});
}
res.key
.encrypt_sk(self, sk, &sk_out, source_xa, source_xe, scratch_1);
res.key
.encrypt_sk(self, sk, &sk_out, source_xa, source_xe, scratch_1);
res.p = p;
res.p = p;
}
}
}