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Rasoul Akhavan Mahdavi
2025-10-16 23:49:33 -04:00
parent a5600593ca
commit 1247d3e4b7
8 changed files with 917 additions and 317 deletions
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116
poulpy-core/src/encryption/gglwe_atk.rs
View File

@@ -5,58 +5,36 @@ use poulpy_hal::{
VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace,
VecZnxSwitchRing,
},
layouts::{Backend, DataMut, Module, Scratch},
layouts::{Backend, DataMut, GaloisElement, Module, Scratch},
source::Source,
};
use crate::{
ScratchTakeCore,
layouts::{
AutomorphismKey, AutomorphismKeyToMut, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, LWEInfos,
AutomorphismKey, AutomorphismKeyToMut, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey,
},
};
impl AutomorphismKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<BE: Backend, A>(module: &Module<BE>, infos: &A) -> usize
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
Module<BE>: ModuleN + SvpPPolBytesOf + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolAlloc<BE>,
M: GGLWEAutomorphismKeyEncryptSk<BE>
{
assert_eq!(
infos.rank_in(),
infos.rank_out(),
"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())
module.gglwe_automorphism_key_encrypt_sk_tmp_bytes(infos)
}
pub fn encrypt_pk_tmp_bytes<BE: Backend, A>(module: &Module<BE>, _infos: &A) -> usize
pub fn encrypt_pk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
M: GGLWEAutomorphismKeyEncryptPk<BE>
{
assert_eq!(
_infos.rank_in(),
_infos.rank_out(),
"rank_in != rank_out is not supported for GGLWEAutomorphismKey"
);
GLWESwitchingKey::encrypt_pk_tmp_bytes(module, _infos)
module.gglwe_automorphism_key_encrypt_pk_tmp_bytes(infos)
}
}
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,
@@ -77,6 +55,24 @@ where
}
}
pub trait GGLWEAutomorphismKeyEncryptSk<BE: Backend> {
fn gglwe_automorphism_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
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<BE: Backend> GGLWEAutomorphismKeyEncryptSk<BE> for Module<BE>
where
Module<BE>: ModuleN
@@ -99,9 +95,22 @@ where
+ SvpPPolBytesOf
+ VecZnxAutomorphism
+ SvpPPolAlloc<BE>
+ SvpPPolBytesOf,
+ GaloisElement,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
fn gglwe_automorphism_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
assert_eq!(
infos.rank_in(),
infos.rank_out(),
"rank_in != rank_out is not supported for GGLWEAutomorphismKey"
);
GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) + GLWESecret::bytes_of_from_infos(self, &infos.glwe_layout())
}
fn gglwe_automorphism_key_encrypt_sk<A, B>(
&self,
res: &mut A,
@@ -152,3 +161,46 @@ where
res.p = p;
}
}
pub trait GGLWEAutomorphismKeyEncryptPk<BE: Backend> {
fn gglwe_automorphism_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
}
impl<BE: Backend> GGLWEAutomorphismKeyEncryptPk<BE> for Module<BE>
where
Module<BE>: ModuleN
+ VecZnxAddScalarInplace
+ VecZnxDftBytesOf
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxNormalize<BE>
+ VecZnxSub
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
fn gglwe_automorphism_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
assert_eq!(
infos.rank_in(),
infos.rank_out(),
"rank_in != rank_out is not supported for GGLWEAutomorphismKey"
);
GLWESwitchingKey::encrypt_pk_tmp_bytes(self, infos)
}
}

1
poulpy-core/src/encryption/gglwe_ct.rs
View File

@@ -64,7 +64,6 @@ where
+ VecZnxDftBytesOf
+ VecZnxAddScalarInplace
+ VecZnxNormalizeInplace<B>,
// + SvpPPolAllocBytesImpl<B>,
Scratch<B>: ScratchAvailable + ScratchTakeCore<B>,
{
fn gglwe_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize

292
poulpy-core/src/encryption/gglwe_ksk.rs
View File

@@ -12,7 +12,7 @@ use poulpy_hal::{
use crate::{
ScratchTakeCore,
layouts::{
GGLWE, GGLWEInfos, GLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, RingDegree, prepared::GLWESecretPrepared,
GGLWE, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, GLWESwitchingKeyToMut, LWEInfos, prepared::GLWESecretPrepared,
},
encryption::gglwe_ct::GGLWEEncryptSk,
};
@@ -26,109 +26,108 @@ impl GLWESwitchingKey<Vec<u8>> {
module.glwe_switching_key_encrypt_sk_tmp_bytes(infos)
}
pub fn encrypt_pk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
M: GLWESwitchingKeyEncryptSk<BE>,
M: GLWESwitchingKeyEncryptPk<BE>,
{
module.glwe_switching_key_encrypt_pk_tmp_bytes(infos)
}
// pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
// where
// A: GGLWEInfos,
// Module<B>: ModuleN + SvpPPolBytesOf + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolAlloc<B>,
// {
// (GGLWE::encrypt_sk_tmp_bytes(module, infos) | ScalarZnx::bytes_of(module.n(), 1))
// + ScalarZnx::bytes_of(module.n(), infos.rank_in().into())
// + GLWESecretPrepared::bytes_of_from_infos(module, &infos.glwe_layout())
// }
// pub fn encrypt_pk_tmp_bytes<B: Backend, A>(module: &Module<B>, _infos: &A) -> usize
// where
// A: GGLWEInfos,
// {
// GGLWE::encrypt_pk_tmp_bytes(module, _infos)
// }
}
impl<DataSelf: DataMut> GLWESwitchingKey<DataSelf> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DataSkIn: DataRef, DataSkOut: DataRef, B: Backend>(
pub fn encrypt_sk<M, DataSkIn: DataRef, DataSkOut: DataRef, BE: Backend>(
&mut self,
module: &Module<B>,
module: &M,
sk_in: &GLWESecret<DataSkIn>,
sk_out: &GLWESecret<DataSkOut>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
Module<B>: ModuleN
+ VecZnxAddScalarInplace
+ VecZnxDftBytesOf
+ VecZnxBigNormalize<B>
+ VecZnxDftApply<B>
+ SvpApplyDftToDftInplace<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxNormalizeTmpBytes
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<B>
+ VecZnxAddNormal
+ VecZnxNormalize<B>
+ VecZnxSub
+ SvpPrepare<B>
+ VecZnxSwitchRing
+ SvpPPolBytesOf
+ SvpPPolAlloc<B>,
Scratch<B>: ScratchAvailable + ScratchTakeBasic + ScratchTakeCore<B>,
M: GLWESwitchingKeyEncryptSk<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
#[cfg(debug_assertions)]
{
assert!(sk_in.n().0 <= module.n() as u32);
assert!(sk_out.n().0 <= module.n() as u32);
assert!(
scratch.available() >= GLWESwitchingKey::encrypt_sk_tmp_bytes(module, self),
"scratch.available()={} < GLWESwitchingKey::encrypt_sk_tmp_bytes={}",
scratch.available(),
GLWESwitchingKey::encrypt_sk_tmp_bytes(module, self)
)
}
let n: usize = sk_in.n().max(sk_out.n()).into();
let (mut sk_in_tmp, scratch_1) = scratch.take_scalar_znx(module, sk_in.rank().into());
(0..sk_in.rank().into()).for_each(|i| {
module.vec_znx_switch_ring(
&mut sk_in_tmp.as_vec_znx_mut(),
i,
&sk_in.data.as_vec_znx(),
i,
);
});
let (mut sk_out_tmp, scratch_2) = scratch_1.take_glwe_secret_prepared(module, sk_out.rank());
{
let (mut tmp, _) = scratch_2.take_scalar_znx(module, 1);
(0..sk_out.rank().into()).for_each(|i| {
module.vec_znx_switch_ring(&mut tmp.as_vec_znx_mut(), 0, &sk_out.data.as_vec_znx(), i);
module.svp_prepare(&mut sk_out_tmp.data, i, &tmp, 0);
});
}
self.key.encrypt_sk(
module,
&sk_in_tmp,
&sk_out_tmp,
source_xa,
source_xe,
scratch_2,
);
self.sk_in_n = sk_in.n().into();
self.sk_out_n = sk_out.n().into();
module.glwe_switching_key_encrypt_sk(self, sk_in, sk_out, source_xa, source_xe, scratch);
}
// #[allow(clippy::too_many_arguments)]
// pub fn encrypt_sk<DataSkIn: DataRef, DataSkOut: DataRef, B: Backend>(
// &mut self,
// module: &Module<B>,
// sk_in: &GLWESecret<DataSkIn>,
// sk_out: &GLWESecret<DataSkOut>,
// source_xa: &mut Source,
// source_xe: &mut Source,
// scratch: &mut Scratch<B>,
// ) where
// Module<B>: ModuleN
// + VecZnxAddScalarInplace
// + VecZnxDftBytesOf
// + VecZnxBigNormalize<B>
// + VecZnxDftApply<B>
// + SvpApplyDftToDftInplace<B>
// + VecZnxIdftApplyConsume<B>
// + VecZnxNormalizeTmpBytes
// + VecZnxFillUniform
// + VecZnxSubInplace
// + VecZnxAddInplace
// + VecZnxNormalizeInplace<B>
// + VecZnxAddNormal
// + VecZnxNormalize<B>
// + VecZnxSub
// + SvpPrepare<B>
// + VecZnxSwitchRing
// + SvpPPolBytesOf
// + SvpPPolAlloc<B>,
// Scratch<B>: ScratchAvailable + ScratchTakeBasic + ScratchTakeCore<B>,
// {
// #[cfg(debug_assertions)]
// {
// assert!(sk_in.n().0 <= module.n() as u32);
// assert!(sk_out.n().0 <= module.n() as u32);
// assert!(
// scratch.available() >= GLWESwitchingKey::encrypt_sk_tmp_bytes(module, self),
// "scratch.available()={} < GLWESwitchingKey::encrypt_sk_tmp_bytes={}",
// scratch.available(),
// GLWESwitchingKey::encrypt_sk_tmp_bytes(module, self)
// )
// }
// // let n: usize = sk_in.n().max(sk_out.n()).into();
// let (mut sk_in_tmp, scratch_1) = scratch.take_scalar_znx(module, sk_in.rank().into());
// (0..sk_in.rank().into()).for_each(|i| {
// module.vec_znx_switch_ring(
// &mut sk_in_tmp.as_vec_znx_mut(),
// i,
// &sk_in.data.as_vec_znx(),
// i,
// );
// });
// let (mut sk_out_tmp, scratch_2) = scratch_1.take_glwe_secret_prepared(module, sk_out.rank());
// {
// let (mut tmp, _) = scratch_2.take_scalar_znx(module, 1);
// (0..sk_out.rank().into()).for_each(|i| {
// module.vec_znx_switch_ring(&mut tmp.as_vec_znx_mut(), 0, &sk_out.data.as_vec_znx(), i);
// module.svp_prepare(&mut sk_out_tmp.data, i, &tmp, 0);
// });
// }
// self.key.encrypt_sk(
// module,
// &sk_in_tmp,
// &sk_out_tmp,
// source_xa,
// source_xe,
// scratch_2,
// );
// self.sk_in_n = sk_in.n().into();
// self.sk_out_n = sk_out.n().into();
// }
}
@@ -146,9 +145,21 @@ where
where
A: GGLWEInfos;
fn glwe_switching_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
fn glwe_switching_key_encrypt_sk<R, DataSkIn, DataSkOut>(
&self,
res: &mut R,
sk_in: &GLWESecret<DataSkIn>,
sk_out: &GLWESecret<DataSkOut>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
)
where
A: GGLWEInfos;
R: GLWESwitchingKeyToMut,
DataSkIn: DataRef,
DataSkOut: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>;
}
impl<BE: Backend> GLWESwitchingKeyEncryptSk<BE> for Module<BE> where
@@ -157,7 +168,15 @@ impl<BE: Backend> GLWESwitchingKeyEncryptSk<BE> for Module<BE> where
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ SvpPPolAlloc<BE>
+ GGLWEEncryptSk<BE>,
+ GGLWEEncryptSk<BE>
+ VecZnxSwitchRing
+ SvpPrepare<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalize<BE>
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddInplace
+ VecZnxAddNormal
+ VecZnxSub
{
fn glwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
@@ -169,11 +188,102 @@ impl<BE: Backend> GLWESwitchingKeyEncryptSk<BE> for Module<BE> where
+ GLWESecretPrepared::bytes_of_from_infos(self, &infos.glwe_layout())
}
fn glwe_switching_key_encrypt_sk<R, DataSkIn, DataSkOut>(
&self,
res: &mut R,
sk_in: &GLWESecret<DataSkIn>,
sk_out: &GLWESecret<DataSkOut>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
)
where
R: GLWESwitchingKeyToMut,
DataSkIn: DataRef,
DataSkOut: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let res: &mut GLWESwitchingKey<&mut [u8]> = &mut res.to_mut();
let sk_in: &GLWESecret<&[u8]> = &sk_in.to_ref();
let sk_out: &GLWESecret<&[u8]> = &sk_out.to_ref();
#[cfg(debug_assertions)]
{
assert!(sk_in.n().0 <= self.n() as u32);
assert!(sk_out.n().0 <= self.n() as u32);
assert!(
scratch.available() >= GLWESwitchingKey::encrypt_sk_tmp_bytes(self, res),
"scratch.available()={} < GLWESwitchingKey::encrypt_sk_tmp_bytes={}",
scratch.available(),
GLWESwitchingKey::encrypt_sk_tmp_bytes(self, res)
)
}
// let n: usize = sk_in.n().max(sk_out.n()).into();
let (mut sk_in_tmp, scratch_1) = scratch.take_scalar_znx(self, sk_in.rank().into());
(0..sk_in.rank().into()).for_each(|i| {
self.vec_znx_switch_ring(
&mut sk_in_tmp.as_vec_znx_mut(),
i,
&sk_in.data.as_vec_znx(),
i,
);
});
let (mut sk_out_tmp, scratch_2) = scratch_1.take_glwe_secret_prepared(self, sk_out.rank());
{
let (mut tmp, _) = scratch_2.take_scalar_znx(self, 1);
(0..sk_out.rank().into()).for_each(|i| {
self.vec_znx_switch_ring(&mut tmp.as_vec_znx_mut(), 0, &sk_out.data.as_vec_znx(), i);
self.svp_prepare(&mut sk_out_tmp.data, i, &tmp, 0);
});
}
res.key.encrypt_sk(
self,
&sk_in_tmp,
&sk_out_tmp,
source_xa,
source_xe,
scratch_2,
);
res.sk_in_n = sk_in.n().into();
res.sk_out_n = sk_out.n().into();
}
}
pub trait GLWESwitchingKeyEncryptPk<BE: Backend>
where
Self: Sized
+ ModuleN
+ SvpPPolBytesOf
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ SvpPPolAlloc<BE>
+ GGLWEEncryptSk<BE>,
{
fn glwe_switching_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
}
impl<BE: Backend> GLWESwitchingKeyEncryptPk<BE> for Module<BE> where
Self: ModuleN
+ SvpPPolBytesOf
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ SvpPPolAlloc<BE>
+ GGLWEEncryptSk<BE>,
{
fn glwe_switching_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
GGLWE::encrypt_pk_tmp_bytes(self, infos)
}
}

260
poulpy-core/src/encryption/gglwe_tsk.rs
View File

@@ -1,111 +1,255 @@
use poulpy_hal::{
api::{
ModuleN, ScratchTakeBasic, SvpApplyDftToDft, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
ModuleN, ScratchAvailable, ScratchTakeBasic, SvpApplyDftToDft, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
VecZnxAddScalarInplace, VecZnxBigBytesOf, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxFillUniform,
VecZnxIdftApplyConsume, VecZnxIdftApplyTmpA, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
VecZnxSubInplace, VecZnxSwitchRing,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch},
oep::VecZnxBigAllocBytesImpl,
oep::{VecZnxAddScalarInplaceImpl, VecZnxBigAllocBytesImpl, VecZnxDftApplyImpl, SvpApplyDftToDftImpl, VecZnxIdftApplyTmpAImpl, VecZnxBigNormalizeImpl},
source::Source,
};
use crate::{
ScratchTakeCore,
layouts::{
GetDist, GGLWEInfos, GLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, Rank, TensorKey, prepared::GLWESecretPrepared,
GetDist, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, LWEInfos, Rank, TensorKey, TensorKeyToMut,
prepared::GLWESecretPrepared,
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
};
impl TensorKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
Module<B>: ModuleN + SvpPPolBytesOf + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + VecZnxBigBytesOf,
M: GGLWETensorKeyEncryptSk<BE>
{
GLWESecretPrepared::bytes_of(module, infos.rank_out())
+ module.bytes_of_vec_znx_dft(infos.rank_out().into(), 1)
+ module.bytes_of_vec_znx_big(1, 1)
+ module.bytes_of_vec_znx_dft(1, 1)
+ GLWESecret::bytes_of(module, Rank(1))
+ GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos)
module.gglwe_tensor_key_encrypt_sk_tmp_bytes(infos)
}
// pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
// where
// A: GGLWEInfos,
// Module<B>: ModuleN + SvpPPolBytesOf + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + VecZnxBigBytesOf,
// {
// GLWESecretPrepared::bytes_of(module, infos.rank_out())
// + module.bytes_of_vec_znx_dft(infos.rank_out().into(), 1)
// + module.bytes_of_vec_znx_big(1, 1)
// + module.bytes_of_vec_znx_dft(1, 1)
// + GLWESecret::bytes_of(module, Rank(1))
// + GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos)
// }
}
impl<DataSelf: DataMut> TensorKey<DataSelf> {
pub fn encrypt_sk<DataSk: DataRef, B: Backend>(
pub fn encrypt_sk<M, DataSk: DataRef, BE: Backend>(
&mut self,
module: &Module<B>,
module: &M,
sk: &GLWESecret<DataSk>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
M: GGLWETensorKeyEncryptSk<BE>,
GLWESecret<DataSk>: GetDist,
Module<B>: ModuleN
+ SvpApplyDftToDft<B>
+ VecZnxIdftApplyTmpA<B>
+ VecZnxAddScalarInplace
+ VecZnxDftBytesOf
+ VecZnxBigNormalize<B>
+ VecZnxDftApply<B>
+ SvpApplyDftToDftInplace<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxNormalizeTmpBytes
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<B>
+ VecZnxAddNormal
+ VecZnxNormalize<B>
+ VecZnxSub
+ SvpPrepare<B>
+ VecZnxSwitchRing
+ SvpPPolBytesOf
+ VecZnxBigAllocBytesImpl<B>
+ VecZnxBigBytesOf
+ SvpPPolAlloc<B>,
Scratch<B>: ScratchTakeBasic + ScratchTakeCore<B>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
#[cfg(debug_assertions)]
{
assert_eq!(self.rank_out(), sk.rank());
assert_eq!(self.n(), sk.n());
}
module.gglwe_tensor_key_encrypt_sk(self, sk, source_xa, source_xe, scratch);
}
// pub fn encrypt_sk<DataSk: DataRef, B: Backend>(
// &mut self,
// module: &Module<B>,
// sk: &GLWESecret<DataSk>,
// source_xa: &mut Source,
// source_xe: &mut Source,
// scratch: &mut Scratch<B>,
// ) where
// GLWESecret<DataSk>: GetDist,
// Module<B>: ModuleN
// + SvpApplyDftToDft<B>
// + VecZnxIdftApplyTmpA<B>
// + VecZnxAddScalarInplace
// + VecZnxDftBytesOf
// + VecZnxBigNormalize<B>
// + VecZnxDftApply<B>
// + SvpApplyDftToDftInplace<B>
// + VecZnxIdftApplyConsume<B>
// + VecZnxNormalizeTmpBytes
// + VecZnxFillUniform
// + VecZnxSubInplace
// + VecZnxAddInplace
// + VecZnxNormalizeInplace<B>
// + VecZnxAddNormal
// + VecZnxNormalize<B>
// + VecZnxSub
// + SvpPrepare<B>
// + VecZnxSwitchRing
// + SvpPPolBytesOf
// + VecZnxBigAllocBytesImpl<B>
// + VecZnxBigBytesOf
// + SvpPPolAlloc<B>,
// Scratch<B>: ScratchTakeBasic + ScratchTakeCore<B>,
// {
// #[cfg(debug_assertions)]
// {
// assert_eq!(self.rank_out(), sk.rank());
// assert_eq!(self.n(), sk.n());
// }
// // let n: RingDegree = sk.n();
// let rank: Rank = self.rank_out();
// let (mut sk_dft_prep, scratch_1) = scratch.take_glwe_secret_prepared(module, rank);
// sk_dft_prep.prepare(module, sk);
// let (mut sk_dft, scratch_2) = scratch_1.take_vec_znx_dft(module, rank.into(), 1);
// (0..rank.into()).for_each(|i| {
// module.vec_znx_dft_apply(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
// });
// let (mut sk_ij_big, scratch_3) = scratch_2.take_vec_znx_big(module, 1, 1);
// let (mut sk_ij, scratch_4) = scratch_3.take_glwe_secret(module, Rank(1));
// let (mut sk_ij_dft, scratch_5) = scratch_4.take_vec_znx_dft(module, 1, 1);
// (0..rank.into()).for_each(|i| {
// (i..rank.into()).for_each(|j| {
// module.svp_apply_dft_to_dft(&mut sk_ij_dft, 0, &sk_dft_prep.data, j, &sk_dft, i);
// module.vec_znx_idft_apply_tmpa(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
// module.vec_znx_big_normalize(
// self.base2k().into(),
// &mut sk_ij.data.as_vec_znx_mut(),
// 0,
// self.base2k().into(),
// &sk_ij_big,
// 0,
// scratch_5,
// );
// self.at_mut(i, j)
// .encrypt_sk(module, &sk_ij, sk, source_xa, source_xe, scratch_5);
// });
// })
// }
}
pub trait GGLWETensorKeyEncryptSk<BE: Backend>
where
Self: Sized
+ ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ VecZnxBigBytesOf,
{
fn gglwe_tensor_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn gglwe_tensor_key_encrypt_sk<R, S>(
&self,
res: &mut R,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: TensorKeyToMut,
S: GLWESecretToRef + GetDist;
}
impl<BE: Backend> GGLWETensorKeyEncryptSk<BE> for Module<BE> where
Module<BE>: ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ VecZnxBigBytesOf
+ VecZnxAddScalarInplaceImpl<BE>
+ VecZnxDftApply<BE>
+ VecZnxDftApplyImpl<BE>
+ SvpApplyDftToDftImpl<BE>
+ GLWESwitchingKeyEncryptSk<BE>
+ SvpApplyDftToDft<BE>
+ VecZnxIdftApplyTmpAImpl<BE>
+ VecZnxBigNormalizeImpl<BE>
+ VecZnxIdftApplyTmpA<BE>
+ VecZnxBigNormalize<BE>
+ VecZnxAddScalarInplaceImpl<BE>
+ SvpPrepare<BE>,
Scratch<BE>: ScratchTakeBasic + ScratchTakeCore<BE>,
{
fn gglwe_tensor_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
GLWESecretPrepared::bytes_of(self, infos.rank_out())
+ self.bytes_of_vec_znx_dft(infos.rank_out().into(), 1)
+ self.bytes_of_vec_znx_big(1, 1)
+ self.bytes_of_vec_znx_dft(1, 1)
+ GLWESecret::bytes_of(self, Rank(1))
+ GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
}
fn gglwe_tensor_key_encrypt_sk<R, S>(
&self,
res: &mut R,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: TensorKeyToMut,
S: GLWESecretToRef + GetDist,
{
let res: &mut TensorKey<&mut [u8]> = &mut res.to_mut();
// let n: RingDegree = sk.n();
let rank: Rank = self.rank_out();
let rank: Rank = res.rank_out();
let (mut sk_dft_prep, scratch_1) = scratch.take_glwe_secret_prepared(module, rank);
sk_dft_prep.prepare(module, sk);
let (mut sk_dft_prep, scratch_1) = scratch.take_glwe_secret_prepared(self, rank);
sk_dft_prep.prepare(self, sk);
let (mut sk_dft, scratch_2) = scratch_1.take_vec_znx_dft(module, rank.into(), 1);
let sk: &GLWESecret<&[u8]> = &sk.to_ref();
#[cfg(debug_assertions)]
{
assert_eq!(res.rank_out(), sk.rank());
assert_eq!(res.n(), sk.n());
}
let (mut sk_dft, scratch_2) = scratch_1.take_vec_znx_dft(self, rank.into(), 1);
(0..rank.into()).for_each(|i| {
module.vec_znx_dft_apply(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
self.vec_znx_dft_apply(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
});
let (mut sk_ij_big, scratch_3) = scratch_2.take_vec_znx_big(module, 1, 1);
let (mut sk_ij, scratch_4) = scratch_3.take_glwe_secret(module, Rank(1));
let (mut sk_ij_dft, scratch_5) = scratch_4.take_vec_znx_dft(module, 1, 1);
let (mut sk_ij_big, scratch_3) = scratch_2.take_vec_znx_big(self, 1, 1);
let (mut sk_ij, scratch_4) = scratch_3.take_glwe_secret(self, Rank(1));
let (mut sk_ij_dft, scratch_5) = scratch_4.take_vec_znx_dft(self, 1, 1);
(0..rank.into()).for_each(|i| {
(i..rank.into()).for_each(|j| {
module.svp_apply_dft_to_dft(&mut sk_ij_dft, 0, &sk_dft_prep.data, j, &sk_dft, i);
self.svp_apply_dft_to_dft(&mut sk_ij_dft, 0, &sk_dft_prep.data, j, &sk_dft, i);
module.vec_znx_idft_apply_tmpa(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
module.vec_znx_big_normalize(
self.base2k().into(),
self.vec_znx_idft_apply_tmpa(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
self.vec_znx_big_normalize(
res.base2k().into(),
&mut sk_ij.data.as_vec_znx_mut(),
0,
self.base2k().into(),
res.base2k().into(),
&sk_ij_big,
0,
scratch_5,
);
self.at_mut(i, j)
.encrypt_sk(module, &sk_ij, sk, source_xa, source_xe, scratch_5);
res.at_mut(i, j)
.encrypt_sk(self, &sk_ij, sk, source_xa, source_xe, scratch_5);
});
})
}

78
poulpy-core/src/encryption/ggsw_ct.rs
View File

@@ -14,20 +14,48 @@ use crate::{
};
impl GGSW<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGSWInfos,
Module<B>: VecZnxNormalizeTmpBytes + VecZnxDftBytesOf,
M: GGSWEncryptSk<BE>,
{
let size = infos.size();
GLWE::encrypt_sk_tmp_bytes(module, &infos.glwe_layout())
+ VecZnx::bytes_of(module.n(), (infos.rank() + 1).into(), size)
+ VecZnx::bytes_of(module.n(), 1, size)
+ module.bytes_of_vec_znx_dft((infos.rank() + 1).into(), size)
module.ggsw_encrypt_sk_tmp_bytes(infos)
}
// pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
// where
// A: GGSWInfos,
// Module<B>: VecZnxNormalizeTmpBytes + VecZnxDftBytesOf,
// {
// let size = infos.size();
// GLWE::encrypt_sk_tmp_bytes(module, &infos.glwe_layout())
// + VecZnx::bytes_of(module.n(), (infos.rank() + 1).into(), size)
// + VecZnx::bytes_of(module.n(), 1, size)
// + module.bytes_of_vec_znx_dft((infos.rank() + 1).into(), size)
// }
}
impl<DataSelf: DataMut> GGSW<DataSelf> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DataPt: DataRef, DataSk: DataRef, B: Backend>(
&mut self,
module: &Module<B>,
pt: &ScalarZnx<DataPt>,
sk: &GLWESecretPrepared<DataSk, B>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
) where
Module<B>: GGSWEncryptSk<B>,
{
module.ggsw_encrypt_sk(self, pt, sk, source_xa, source_xe, scratch);
}
}
pub trait GGSWEncryptSk<B: Backend> {
fn ggsw_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGSWInfos;
fn ggsw_encrypt_sk<R, P, S>(
&self,
res: &mut R,
@@ -44,9 +72,26 @@ pub trait GGSWEncryptSk<B: Backend> {
impl<B: Backend> GGSWEncryptSk<B> for Module<B>
where
Module<B>: ModuleN + GLWEEncryptSkInternal<B> + VecZnxAddScalarInplace + VecZnxNormalizeInplace<B>,
Module<B>: ModuleN
+ GLWEEncryptSkInternal<B>
+ VecZnxAddScalarInplace
+ VecZnxNormalizeInplace<B>
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes,
Scratch<B>: ScratchTakeCore<B>,
{
fn ggsw_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGSWInfos,
{
let size = infos.size();
GLWE::encrypt_sk_tmp_bytes(self, &infos.glwe_layout())
+ VecZnx::bytes_of(self.n(), (infos.rank() + 1).into(), size)
+ VecZnx::bytes_of(self.n(), 1, size)
+ self.bytes_of_vec_znx_dft((infos.rank() + 1).into(), size)
}
fn ggsw_encrypt_sk<R, P, S>(
&self,
res: &mut R,
@@ -105,20 +150,3 @@ where
}
}
}
impl<DataSelf: DataMut> GGSW<DataSelf> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DataPt: DataRef, DataSk: DataRef, B: Backend>(
&mut self,
module: &Module<B>,
pt: &ScalarZnx<DataPt>,
sk: &GLWESecretPrepared<DataSk, B>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
) where
Module<B>: GGSWEncryptSk<B>,
{
module.ggsw_encrypt_sk(self, pt, sk, source_xa, source_xe, scratch);
}
}

214
poulpy-core/src/encryption/glwe_to_lwe_ksk.rs
View File

@@ -4,77 +4,219 @@ use poulpy_hal::{
VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf,
VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
VecZnxSubInplace, VecZnxSwitchRing,
ScratchTakeBasic
},
layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut, ZnxZero},
source::Source,
oep::{ScratchAvailableImpl, VecZnxFillUniformImpl},
source::Source
};
use crate::{
ScratchTakeCore,
layouts::{
GGLWEInfos, GLWESecret, GLWESwitchingKey, GLWEToLWESwitchingKey, LWEInfos, LWESecret, Rank,
GGLWEInfos, GLWESecret, GLWESwitchingKey, GLWEToLWESwitchingKey, LWEInfos, LWESecret, Rank, GLWEToLWESwitchingKeyToMut,
prepared::GLWESecretPrepared,
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
};
impl GLWEToLWESwitchingKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
Module<B>: ModuleN + SvpPPolBytesOf + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes,
M: GLWEToLWESwitchingKeyEncrypt<BE>,
{
GLWESecretPrepared::bytes_of(module, infos.rank_in())
+ (GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos) | GLWESecret::bytes_of(module, infos.rank_in()))
module.glwe_to_lwe_switching_key_encrypt_sk_tmp_bytes(infos)
}
// pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
// where
// A: GGLWEInfos,
// Module<B>: ModuleN + SvpPPolBytesOf + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes,
// {
// GLWESecretPrepared::bytes_of(module, infos.rank_in())
// + (GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos) | GLWESecret::bytes_of(module, infos.rank_in()))
// }
}
impl<D: DataMut> GLWEToLWESwitchingKey<D> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DLwe, DGlwe, B: Backend>(
pub fn encrypt_sk<M, DLwe, DGlwe, BE: Backend>(
&mut self,
module: &Module<B>,
module: &M,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DGlwe>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
M: GLWEToLWESwitchingKeyEncrypt<BE>,
DLwe: DataRef,
DGlwe: DataRef,
Module<B>: ModuleN
+ VecZnxAutomorphismInplace<B>
+ VecZnxAddScalarInplace
+ VecZnxDftBytesOf
+ VecZnxBigNormalize<B>
+ VecZnxDftApply<B>
+ SvpApplyDftToDftInplace<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxNormalizeTmpBytes
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<B>
+ VecZnxAddNormal
+ VecZnxNormalize<B>
+ VecZnxSub
+ SvpPrepare<B>
+ VecZnxSwitchRing
+ SvpPPolBytesOf
+ SvpPPolAlloc<B>,
Scratch<B>: ScratchAvailable + ScratchTakeCore<B>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
module.glwe_to_lwe_switching_key_encrypt_sk(self, sk_lwe, sk_glwe, source_xa, source_xe, scratch);
}
// #[allow(clippy::too_many_arguments)]
// pub fn encrypt_sk<DLwe, DGlwe, B: Backend>(
// &mut self,
// module: &Module<B>,
// sk_lwe: &LWESecret<DLwe>,
// sk_glwe: &GLWESecret<DGlwe>,
// source_xa: &mut Source,
// source_xe: &mut Source,
// scratch: &mut Scratch<B>,
// ) where
// DLwe: DataRef,
// DGlwe: DataRef,
// Module<B>: ModuleN
// + VecZnxAutomorphismInplace<B>
// + VecZnxAddScalarInplace
// + VecZnxDftBytesOf
// + VecZnxBigNormalize<B>
// + VecZnxDftApply<B>
// + SvpApplyDftToDftInplace<B>
// + VecZnxIdftApplyConsume<B>
// + VecZnxNormalizeTmpBytes
// + VecZnxFillUniform
// + VecZnxSubInplace
// + VecZnxAddInplace
// + VecZnxNormalizeInplace<B>
// + VecZnxAddNormal
// + VecZnxNormalize<B>
// + VecZnxSub
// + SvpPrepare<B>
// + VecZnxSwitchRing
// + SvpPPolBytesOf
// + SvpPPolAlloc<B>,
// Scratch<B>: ScratchAvailable + ScratchTakeCore<B>,
// {
// #[cfg(debug_assertions)]
// {
// assert!(sk_lwe.n().0 <= module.n() as u32);
// }
// let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(module, Rank(1));
// sk_lwe_as_glwe.data.zero();
// sk_lwe_as_glwe.data.at_mut(0, 0)[..sk_lwe.n().into()].copy_from_slice(sk_lwe.data.at(0, 0));
// module.vec_znx_automorphism_inplace(-1, &mut sk_lwe_as_glwe.data.as_vec_znx_mut(), 0, scratch_1);
// self.0.encrypt_sk(
// module,
// sk_glwe,
// &sk_lwe_as_glwe,
// source_xa,
// source_xe,
// scratch_1,
// );
// }
}
pub trait GLWEToLWESwitchingKeyEncrypt<BE: Backend>
where
Self: Sized
+ ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAutomorphismInplace<BE>
+ VecZnxAddScalarInplace
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalize<BE>
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxSub
+ VecZnxSubInplace
+ VecZnxAddInplace
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ ScratchAvailable
+ ScratchAvailableImpl<BE>
+ VecZnxFillUniform
+ VecZnxFillUniformImpl<BE>
{
fn glwe_to_lwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn glwe_to_lwe_switching_key_encrypt_sk<R, DLwe: DataRef, DataGlwe: DataRef>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: GLWEToLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>;
}
impl<BE: Backend> GLWEToLWESwitchingKeyEncrypt<BE> for Module<BE> where
Module<BE>: ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAutomorphismInplace<BE>
+ VecZnxAddScalarInplace
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalize<BE>
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxSub
+ VecZnxSubInplace
+ VecZnxAddInplace
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ ScratchAvailable
+ ScratchAvailableImpl<BE>
+ ScratchTakeBasic
+ ScratchTakeCore<BE>
+ VecZnxFillUniform
+ VecZnxFillUniformImpl<BE>
+ GLWESwitchingKeyEncryptSk<BE>
{
fn glwe_to_lwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos
{
GLWESecretPrepared::bytes_of(self, infos.rank_in())
+ (GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) | GLWESecret::bytes_of(self, infos.rank_in()))
}
fn glwe_to_lwe_switching_key_encrypt_sk<R, DLwe: DataRef, DataGlwe: DataRef>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: GLWEToLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let res: &mut GLWEToLWESwitchingKey<&mut [u8]> = &mut res.to_mut();
#[cfg(debug_assertions)]
{
assert!(sk_lwe.n().0 <= module.n() as u32);
assert!(sk_lwe.n().0 <= self.n() as u32);
}
let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(module, Rank(1));
let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(self, Rank(1));
sk_lwe_as_glwe.data.zero();
sk_lwe_as_glwe.data.at_mut(0, 0)[..sk_lwe.n().into()].copy_from_slice(sk_lwe.data.at(0, 0));
module.vec_znx_automorphism_inplace(-1, &mut sk_lwe_as_glwe.data.as_vec_znx_mut(), 0, scratch_1);
self.vec_znx_automorphism_inplace(-1, &mut sk_lwe_as_glwe.data.as_vec_znx_mut(), 0, scratch_1);
self.0.encrypt_sk(
module,
res.0.encrypt_sk(
self,
sk_glwe,
&sk_lwe_as_glwe,
source_xa,

27
poulpy-core/src/encryption/lwe_ksk.rs
View File

@@ -15,6 +15,7 @@ use crate::{
GGLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, LWESecret, LWESwitchingKey, Rank,
prepared::{GLWESecretPrepared, GLWESecretPreparedAlloc},
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
ScratchTakeCore,
};
@@ -27,30 +28,6 @@ impl LWESwitchingKey<Vec<u8>> {
module.lwe_switching_key_encrypt_sk_tmp_bytes(infos)
}
// pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
// where
// A: GGLWEInfos,
// Module<B>: ModuleN + SvpPPolBytesOf + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes,
// {
// debug_assert_eq!(
// infos.dsize().0,
// 1,
// "dsize > 1 is not supported for LWESwitchingKey"
// );
// debug_assert_eq!(
// infos.rank_in().0,
// 1,
// "rank_in > 1 is not supported for LWESwitchingKey"
// );
// debug_assert_eq!(
// infos.rank_out().0,
// 1,
// "rank_out > 1 is not supported for LWESwitchingKey"
// );
// GLWESecret::bytes_of(module, Rank(1))
// + GLWESecretPrepared::bytes_of(module, Rank(1))
// + GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos)
// }
}
impl<D: DataMut> LWESwitchingKey<D> {
@@ -171,6 +148,8 @@ impl<BE:Backend> LWESwitchingKeyEncrypt<BE> for Module<BE> where
+ VecZnxSwitchRing
+ GLWESecretAlloc
+ GLWESecretPreparedAlloc<BE>
+ GLWESwitchingKeyEncryptSk<BE>
,
{
fn lwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where

228
poulpy-core/src/encryption/lwe_to_glwe_ksk.rs
View File

@@ -4,81 +4,227 @@ use poulpy_hal::{
VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf,
VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
VecZnxSubInplace, VecZnxSwitchRing,
ScratchTakeBasic,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut},
oep::{ScratchAvailableImpl},
source::Source,
};
use crate::{
layouts::{GGLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, LWESecret, LWEToGLWESwitchingKey, LWEToGLWESwitchingKeyToMut, Rank},
ScratchTakeCore,
layouts::{GGLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, LWESecret, LWEToGLWESwitchingKey, Rank},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
};
impl LWEToGLWESwitchingKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
Module<B>: ModuleN + SvpPPolBytesOf + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolAlloc<B>,
M: LWEToGLWESwitchingKeyEncrypt<BE>,
{
module.lwe_to_glwe_switching_key_encrypt_sk_tmp_bytes(infos)
}
// pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
// where
// A: GGLWEInfos,
// Module<B>: ModuleN + SvpPPolBytesOf + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolAlloc<B>,
// {
// debug_assert_eq!(
// infos.rank_in(),
// Rank(1),
// "rank_in != 1 is not supported for LWEToGLWESwitchingKey"
// );
// GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos)
// + GLWESecret::bytes_of(module, infos.rank_in())
// }
}
impl<D: DataMut> LWEToGLWESwitchingKey<D> {
pub fn encrypt_sk<M, DLwe, DGlwe, BE: Backend>(
&mut self,
module: &M,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DGlwe>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
M: LWEToGLWESwitchingKeyEncrypt<BE>,
DLwe: DataRef,
DGlwe: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
module.lwe_to_glwe_switching_key_encrypt_sk(self, sk_lwe, sk_glwe, source_xa, source_xe, scratch);
}
// #[allow(clippy::too_many_arguments)]
// pub fn encrypt_sk<DLwe, DGlwe, B: Backend>(
// &mut self,
// module: &Module<B>,
// sk_lwe: &LWESecret<DLwe>,
// sk_glwe: &GLWESecret<DGlwe>,
// source_xa: &mut Source,
// source_xe: &mut Source,
// scratch: &mut Scratch<B>,
// ) where
// DLwe: DataRef,
// DGlwe: DataRef,
// Module<B>: ModuleN
// + VecZnxAutomorphismInplace<B>
// + VecZnxAddScalarInplace
// + VecZnxDftBytesOf
// + VecZnxBigNormalize<B>
// + VecZnxDftApply<B>
// + SvpApplyDftToDftInplace<B>
// + VecZnxIdftApplyConsume<B>
// + VecZnxNormalizeTmpBytes
// + VecZnxFillUniform
// + VecZnxSubInplace
// + VecZnxAddInplace
// + VecZnxNormalizeInplace<B>
// + VecZnxAddNormal
// + VecZnxNormalize<B>
// + VecZnxSub
// + SvpPrepare<B>
// + VecZnxSwitchRing
// + SvpPPolBytesOf
// + SvpPPolAlloc<B>,
// Scratch<B>: ScratchAvailable + ScratchTakeCore<B>,
// {
// #[cfg(debug_assertions)]
// {
// use crate::layouts::LWEInfos;
// assert!(sk_lwe.n().0 <= module.n() as u32);
// }
// let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(module, Rank(1));
// sk_lwe_as_glwe.data.at_mut(0, 0)[..sk_lwe.n().into()].copy_from_slice(sk_lwe.data.at(0, 0));
// sk_lwe_as_glwe.data.at_mut(0, 0)[sk_lwe.n().into()..].fill(0);
// module.vec_znx_automorphism_inplace(-1, &mut sk_lwe_as_glwe.data.as_vec_znx_mut(), 0, scratch_1);
// self.0.encrypt_sk(
// module,
// &sk_lwe_as_glwe,
// sk_glwe,
// source_xa,
// source_xe,
// scratch_1,
// );
// }
}
pub trait LWEToGLWESwitchingKeyEncrypt<BE: Backend>
where
Self: Sized
+ ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAutomorphismInplace<BE>
+ VecZnxAddScalarInplace
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalize<BE>
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxSub
+ VecZnxSubInplace
+ VecZnxAddInplace
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ ScratchAvailable
+ ScratchTakeBasic
+ ScratchAvailableImpl<BE>
{
fn lwe_to_glwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn lwe_to_glwe_switching_key_encrypt_sk<R, DLwe: DataRef, DataGlwe: DataRef>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: LWEToGLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>;
}
impl<BE: Backend> LWEToGLWESwitchingKeyEncrypt<BE> for Module<BE> where
Module<BE>: ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAutomorphismInplace<BE>
+ VecZnxAddScalarInplace
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalize<BE>
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxSub
+ VecZnxSubInplace
+ VecZnxAddInplace
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ ScratchAvailable
+ ScratchAvailableImpl<BE>
+ ScratchTakeBasic
+ ScratchTakeCore<BE>
+ GLWESwitchingKeyEncryptSk<BE>
{
fn lwe_to_glwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos
{
debug_assert_eq!(
infos.rank_in(),
Rank(1),
"rank_in != 1 is not supported for LWEToGLWESwitchingKey"
);
GLWESwitchingKey::encrypt_sk_tmp_bytes(module, infos)
+ GLWESecret::bytes_of(module, infos.rank_in())
GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
+ GLWESecret::bytes_of(self, infos.rank_in())
}
}
impl<D: DataMut> LWEToGLWESwitchingKey<D> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DLwe, DGlwe, B: Backend>(
&mut self,
module: &Module<B>,
fn lwe_to_glwe_switching_key_encrypt_sk<R, DLwe: DataRef, DataGlwe: DataRef>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DGlwe>,
sk_glwe: &GLWESecret<DataGlwe>,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
DLwe: DataRef,
DGlwe: DataRef,
Module<B>: ModuleN
+ VecZnxAutomorphismInplace<B>
+ VecZnxAddScalarInplace
+ VecZnxDftBytesOf
+ VecZnxBigNormalize<B>
+ VecZnxDftApply<B>
+ SvpApplyDftToDftInplace<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxNormalizeTmpBytes
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<B>
+ VecZnxAddNormal
+ VecZnxNormalize<B>
+ VecZnxSub
+ SvpPrepare<B>
+ VecZnxSwitchRing
+ SvpPPolBytesOf
+ SvpPPolAlloc<B>,
Scratch<B>: ScratchAvailable + ScratchTakeCore<B>,
R: LWEToGLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let res: &mut LWEToGLWESwitchingKey<&mut [u8]> = &mut res.to_mut();
#[cfg(debug_assertions)]
{
use crate::layouts::LWEInfos;
assert!(sk_lwe.n().0 <= module.n() as u32);
assert!(sk_lwe.n().0 <= self.n() as u32);
}
let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(module, Rank(1));
let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(self, Rank(1));
sk_lwe_as_glwe.data.at_mut(0, 0)[..sk_lwe.n().into()].copy_from_slice(sk_lwe.data.at(0, 0));
sk_lwe_as_glwe.data.at_mut(0, 0)[sk_lwe.n().into()..].fill(0);
module.vec_znx_automorphism_inplace(-1, &mut sk_lwe_as_glwe.data.as_vec_znx_mut(), 0, scratch_1);
self.vec_znx_automorphism_inplace(-1, &mut sk_lwe_as_glwe.data.as_vec_znx_mut(), 0, scratch_1);
self.0.encrypt_sk(
module,
res.0.encrypt_sk(
self,
&sk_lwe_as_glwe,
sk_glwe,
source_xa,