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review of encryption

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This commit is contained in:
Pro7ech
2025-10-17 10:51:14 +02:00
parent 0a7e0b0903
commit e0d3ca5cea
17 changed files with 513 additions and 1162 deletions
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30
poulpy-core/src/decryption/glwe_ct.rs
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@@ -1,17 +1,14 @@
use poulpy_hal::{
api::{
ModuleN, ScratchTakeBasic,
SvpApplyDftToDftInplace, VecZnxBigAddInplace, VecZnxBigAddSmallInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxBigBytesOf,
VecZnxDftBytesOf, VecZnxIdftApplyConsume, VecZnxNormalizeTmpBytes,
ModuleN, ScratchTakeBasic, SvpApplyDftToDftInplace, VecZnxBigAddInplace, VecZnxBigAddSmallInplace, VecZnxBigBytesOf,
VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxIdftApplyConsume, VecZnxNormalizeTmpBytes,
},
layouts::{Backend, DataMut, DataViewMut, Module, Scratch},
};
use crate::{
layouts::{
GLWE, GLWEInfos, GLWEPlaintext, LWEInfos, GLWEToMut, GLWEPlaintextToMut,
prepared::{GLWESecretPreparedToRef, GLWESecretPrepared},
}
use crate::layouts::{
GLWE, GLWEInfos, GLWEPlaintext, GLWEPlaintextToMut, GLWEToMut, LWEInfos,
prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
};
impl GLWE<Vec<u8>> {
@@ -48,29 +45,23 @@ where
+ VecZnxIdftApplyConsume<BE>
+ VecZnxBigAddInplace<BE>
+ VecZnxBigAddSmallInplace<BE>
+ VecZnxBigNormalize<BE>
+ VecZnxBigNormalize<BE>,
{
fn glwe_decrypt_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GLWEInfos
A: GLWEInfos,
{
let size: usize = infos.size();
(self.vec_znx_normalize_tmp_bytes() | self.bytes_of_vec_znx_dft(1, size)) + self.bytes_of_vec_znx_dft(1, size)
}
fn glwe_decrypt<R, P, S>(
&self,
res: &mut R,
pt: &mut P,
sk: &S,
scratch: &mut Scratch<BE>,
) where
fn glwe_decrypt<R, P, S>(&self, res: &mut R, pt: &mut P, sk: &S, scratch: &mut Scratch<BE>)
where
R: GLWEToMut,
P: GLWEPlaintextToMut,
S: GLWESecretPreparedToRef<BE>,
Scratch<BE>: ScratchTakeBasic,
{
let res: &mut GLWE<&mut [u8]> = &mut res.to_mut();
let pt: &mut GLWEPlaintext<&mut [u8]> = &mut pt.to_ref();
let sk: &GLWESecretPrepared<&[u8], BE> = &sk.to_ref();
@@ -117,10 +108,9 @@ where
pt.base2k = res.base2k();
pt.k = pt.k().min(res.k());
}
}
impl <BE: Backend> GLWEDecryption<BE> for Module<BE> where
impl<BE: Backend> GLWEDecryption<BE> for Module<BE> where
Self: ModuleN
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes

14
poulpy-core/src/decryption/lwe_ct.rs
View File

@@ -4,10 +4,9 @@ use poulpy_hal::{
oep::{ScratchOwnedAllocImpl, ScratchOwnedBorrowImpl},
};
use crate::layouts::{LWE, LWEInfos, LWEPlaintext, LWESecret, LWEToMut, LWEPlaintextToMut, LWESecretToRef};
use crate::layouts::{LWE, LWEInfos, LWEPlaintext, LWEPlaintextToMut, LWESecret, LWESecretToRef, LWEToMut};
impl<DataSelf: DataRef + DataMut> LWE<DataSelf>
{
impl<DataSelf: DataRef + DataMut> LWE<DataSelf> {
pub fn decrypt<P, S, M, B>(&mut self, module: &M, pt: &mut P, sk: S)
where
P: LWEPlaintextToMut,
@@ -21,7 +20,7 @@ impl<DataSelf: DataRef + DataMut> LWE<DataSelf>
pub trait LWEDecrypt<BE: Backend>
where
Self: Sized + ZnNormalizeInplace<BE>
Self: Sized + ZnNormalizeInplace<BE>,
{
fn lwe_decrypt<R, P, S>(&self, res: &mut R, pt: &mut P, sk: S)
where
@@ -30,7 +29,6 @@ where
S: LWESecretToRef,
BE: Backend + ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE>,
{
let res: &mut LWE<&mut [u8]> = &mut res.to_mut();
let pt: &mut LWEPlaintext<&mut [u8]> = &mut pt.to_mut();
let sk: LWESecret<&[u8]> = sk.to_ref();
@@ -60,8 +58,4 @@ where
}
}
impl<BE: Backend> LWEDecrypt<BE> for Module<BE> where
Self: Sized + ZnNormalizeInplace<BE>
{
}
impl<BE: Backend> LWEDecrypt<BE> for Module<BE> where Self: Sized + ZnNormalizeInplace<BE> {}

8
poulpy-core/src/encryption/compressed/gglwe_atk.rs
View File

@@ -1,5 +1,8 @@
use poulpy_hal::{
api::{ModuleN, ScratchAvailable, ScratchTakeBasic, SvpPPolAlloc, SvpPPolBytesOf, VecZnxAutomorphism, VecZnxDftBytesOf, VecZnxNormalizeTmpBytes},
api::{
ModuleN, ScratchAvailable, ScratchTakeBasic, SvpPPolAlloc, SvpPPolBytesOf, VecZnxAutomorphism, VecZnxDftBytesOf,
VecZnxNormalizeTmpBytes,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch},
source::Source,
};
@@ -17,7 +20,8 @@ impl AutomorphismKeyCompressed<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
where
A: GGLWEInfos,
Module<B>: ModuleN + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolBytesOf,
Module<B>:
ModuleN + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolBytesOf,
{
assert_eq!(module.n() as u32, infos.n());
GLWESwitchingKeyCompressed::encrypt_sk_tmp_bytes(module, infos) + GLWESecret::bytes_of(module, infos.rank_out())

8
poulpy-core/src/encryption/compressed/gglwe_ksk.rs
View File

@@ -1,5 +1,8 @@
use poulpy_hal::{
api::{ModuleN, ScratchAvailable, ScratchTakeBasic, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxDftBytesOf, VecZnxNormalizeTmpBytes, VecZnxSwitchRing},
api::{
ModuleN, ScratchAvailable, ScratchTakeBasic, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxDftBytesOf,
VecZnxNormalizeTmpBytes, VecZnxSwitchRing,
},
layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch},
source::Source,
};
@@ -18,7 +21,8 @@ impl GLWESwitchingKeyCompressed<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<B: Backend, A>(module: &Module<B>, infos: &A) -> usize
where
A: GGLWEInfos,
Module<B>: ModuleN + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolBytesOf,
Module<B>:
ModuleN + SvpPPolAlloc<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + VecZnxNormalizeTmpBytes + SvpPPolBytesOf,
{
(GGLWE::encrypt_sk_tmp_bytes(module, infos) | ScalarZnx::bytes_of(module.n(), 1))
+ ScalarZnx::bytes_of(module.n(), infos.rank_in().into())

16
poulpy-core/src/encryption/compressed/gglwe_tsk.rs
View File

@@ -1,10 +1,10 @@
use poulpy_hal::{
api::{
ModuleN, ScratchTakeBasic, SvpApplyDftToDft, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxBigBytesOf, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf,
VecZnxIdftApplyTmpA, VecZnxNormalizeTmpBytes,
ModuleN, ScratchTakeBasic, SvpApplyDftToDft, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxBigBytesOf,
VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxIdftApplyTmpA, VecZnxNormalizeTmpBytes,
},
oep::{SvpPPolAllocBytesImpl, VecZnxBigAllocBytesImpl, VecZnxDftAllocBytesImpl},
layouts::{Backend, DataMut, DataRef, Module, Scratch},
oep::{SvpPPolAllocBytesImpl, VecZnxBigAllocBytesImpl, VecZnxDftAllocBytesImpl},
source::Source,
};
@@ -12,7 +12,7 @@ use crate::{
ScratchTakeCore,
encryption::compressed::gglwe_ksk::GGLWEKeyCompressedEncryptSk,
layouts::{
GetDist, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, LWEInfos, Rank, TensorKey,
GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GetDist, LWEInfos, Rank, TensorKey,
compressed::{TensorKeyCompressed, TensorKeyCompressedToMut},
},
};
@@ -21,7 +21,13 @@ impl TensorKeyCompressed<Vec<u8>> {
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,
Module<B>: ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<B>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ VecZnxBigBytesOf,
{
TensorKey::encrypt_sk_tmp_bytes(module, infos)
}

129
poulpy-core/src/encryption/gglwe_atk.rs
View File

@@ -1,37 +1,30 @@
use poulpy_hal::{
api::{
ModuleN, ScratchAvailable, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
VecZnxAddScalarInplace, VecZnxAutomorphism, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxFillUniform,
VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace,
VecZnxSwitchRing,
},
api::{ScratchAvailable, VecZnxAutomorphism},
layouts::{Backend, DataMut, GaloisElement, Module, Scratch},
source::Source,
};
use crate::{
ScratchTakeCore,
layouts::{
AutomorphismKey, AutomorphismKeyToMut, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey,
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
layouts::{AutomorphismKey, AutomorphismKeyToMut, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, LWEInfos},
};
impl AutomorphismKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
M: GGLWEAutomorphismKeyEncryptSk<BE>
M: AutomorphismKeyEncryptSk<BE>,
{
module.gglwe_automorphism_key_encrypt_sk_tmp_bytes(infos)
module.automorphism_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: GGLWEAutomorphismKeyEncryptPk<BE>
M: GGLWEAutomorphismKeyEncryptPk<BE>,
{
module.gglwe_automorphism_key_encrypt_pk_tmp_bytes(infos)
module.automorphism_key_encrypt_pk_tmp_bytes(infos)
}
}
@@ -39,9 +32,9 @@ impl<DM: DataMut> AutomorphismKey<DM>
where
Self: AutomorphismKeyToMut,
{
pub fn encrypt_sk<S, BE: Backend>(
pub fn encrypt_sk<S, M, BE: Backend>(
&mut self,
module: &Module<BE>,
module: &M,
p: i64,
sk: &S,
source_xa: &mut Source,
@@ -49,57 +42,36 @@ where
scratch: &mut Scratch<BE>,
) where
S: GLWESecretToRef,
Module<BE>: GGLWEAutomorphismKeyEncryptSk<BE>,
M: AutomorphismKeyEncryptSk<BE>,
{
module.gglwe_automorphism_key_encrypt_sk(self, p, sk, source_xa, source_xe, scratch);
module.automorphism_key_encrypt_sk(self, p, sk, source_xa, source_xe, scratch);
}
}
pub trait GGLWEAutomorphismKeyEncryptSk<BE: Backend> {
fn gglwe_automorphism_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
pub trait AutomorphismKeyEncryptSk<BE: Backend> {
fn automorphism_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn gglwe_automorphism_key_encrypt_sk<A, B>(
fn automorphism_key_encrypt_sk<R, S>(
&self,
res: &mut A,
res: &mut R,
p: i64,
sk: &B,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
A: AutomorphismKeyToMut,
B: GLWESecretToRef;
R: AutomorphismKeyToMut,
S: GLWESecretToRef;
}
impl<BE: Backend> GGLWEAutomorphismKeyEncryptSk<BE> for Module<BE>
impl<BE: Backend> AutomorphismKeyEncryptSk<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
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ SvpPPolBytesOf
+ VecZnxAutomorphism
+ SvpPPolAlloc<BE>
+ GaloisElement,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
Module<BE>: GLWESwitchingKeyEncryptSk<BE> + VecZnxAutomorphism + GaloisElement,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn gglwe_automorphism_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
fn automorphism_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
@@ -108,38 +80,33 @@ where
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())
self.glwe_switching_key_encrypt_sk_tmp_bytes(infos) + GLWESecret::bytes_of_from_infos(self, infos)
}
fn gglwe_automorphism_key_encrypt_sk<A, B>(
fn automorphism_key_encrypt_sk<R, S>(
&self,
res: &mut A,
res: &mut R,
p: i64,
sk: &B,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
A: AutomorphismKeyToMut,
B: GLWESecretToRef,
R: AutomorphismKeyToMut,
S: GLWESecretToRef,
{
let res: &mut AutomorphismKey<&mut [u8]> = &mut res.to_mut();
let sk: &GLWESecret<&[u8]> = &sk.to_ref();
#[cfg(debug_assertions)]
{
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!(
scratch.available() >= AutomorphismKey::encrypt_sk_tmp_bytes(self, res),
scratch.available() >= self.automorphism_key_encrypt_sk_tmp_bytes(res),
"scratch.available(): {} < AutomorphismKey::encrypt_sk_tmp_bytes: {:?}",
scratch.available(),
AutomorphismKey::encrypt_sk_tmp_bytes(self, res)
)
}
self.automorphism_key_encrypt_sk_tmp_bytes(res)
);
let (mut sk_out, scratch_1) = scratch.take_glwe_secret(self, sk.rank());
@@ -162,45 +129,21 @@ where
}
}
pub trait GGLWEAutomorphismKeyEncryptPk<BE: Backend> {
fn gglwe_automorphism_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
fn 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>,
Module<BE>:,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn gglwe_automorphism_key_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
fn 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)
unimplemented!()
}
}

100
poulpy-core/src/encryption/gglwe_ct.rs
View File

@@ -1,20 +1,20 @@
use poulpy_hal::{
api::{ModuleN, ScratchAvailable, VecZnxAddScalarInplace, VecZnxDftBytesOf, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes},
// oep::SvpPPolAllocBytesImpl,
layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, ScalarZnxToRef, Scratch, ZnxZero},
layouts::{Backend, DataMut, Module, ScalarZnx, ScalarZnxToRef, Scratch, ZnxInfos, ZnxZero},
source::Source,
};
use crate::{
encryption::glwe_ct::GLWEEncryptSk, layouts::GLWEInfos, ScratchTakeCore,
ScratchTakeCore,
encryption::glwe_ct::GLWEEncryptSk,
layouts::GLWEInfos,
layouts::{
GGLWE, GGLWEInfos, GGLWEToMut, GLWE, GLWEPlaintext, LWEInfos,
GGLWE, GGLWEInfos, GGLWEToMut, GLWEPlaintext, LWEInfos,
prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
},
};
impl GGLWE<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
@@ -32,16 +32,31 @@ impl GGLWE<Vec<u8>> {
}
}
pub trait GGLWEEncryptSk<B: Backend> {
impl<D: DataMut> GGLWE<D> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<P, S, M, BE: Backend>(
&mut self,
module: &M,
pt: &P,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
P: ScalarZnxToRef,
S: GLWESecretPreparedToRef<BE>,
M: GGLWEEncryptSk<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
module.gglwe_encrypt_sk(self, pt, sk, source_xa, source_xe, scratch);
}
}
pub trait GGLWEEncryptSk<BE: Backend> {
fn gglwe_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn gglwe_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn gglwe_encrypt_sk<R, P, S>(
&self,
res: &mut R,
@@ -49,40 +64,29 @@ pub trait GGLWEEncryptSk<B: Backend> {
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
R: GGLWEToMut,
P: ScalarZnxToRef,
S: GLWESecretPreparedToRef<B>;
S: GLWESecretPreparedToRef<BE>;
}
impl<B: Backend> GGLWEEncryptSk<B> for Module<B>
impl<BE: Backend> GGLWEEncryptSk<BE> for Module<BE>
where
Module<B>: ModuleN
+ GLWEEncryptSk<B>
Module<BE>: ModuleN
+ GLWEEncryptSk<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAddScalarInplace
+ VecZnxNormalizeInplace<B>,
Scratch<B>: ScratchAvailable + ScratchTakeCore<B>,
+ VecZnxNormalizeInplace<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn gglwe_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
GLWE::encrypt_sk_tmp_bytes(self, &infos.glwe_layout())
+ (GLWEPlaintext::bytes_of_from_infos(self, &infos.glwe_layout()) | self.vec_znx_normalize_tmp_bytes())
}
fn gglwe_encrypt_pk_tmp_bytes<A>(&self, _infos: &A) -> usize
where
A: GGLWEInfos,
{
unimplemented!()
// TODO: Is this correct?
// GLWE::encrypt_pk_tmp_bytes(self, &infos.glwe_layout())
// + (GLWEPlaintext::bytes_of_from_infos(self, &infos.glwe_layout()) | self.vec_znx_normalize_tmp_bytes())
self.glwe_encrypt_sk_tmp_bytes(infos)
+ GLWEPlaintext::bytes_of_from_infos(self, infos).max(self.vec_znx_normalize_tmp_bytes())
}
fn gglwe_encrypt_sk<R, P, S>(
@@ -92,19 +96,15 @@ where
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
R: GGLWEToMut,
P: ScalarZnxToRef,
S: GLWESecretPreparedToRef<B>,
S: GLWESecretPreparedToRef<BE>,
{
let res: &mut GGLWE<&mut [u8]> = &mut res.to_mut();
let pt: &ScalarZnx<&[u8]> = &pt.to_ref();
#[cfg(debug_assertions)]
{
use poulpy_hal::layouts::ZnxInfos;
let sk: GLWESecretPrepared<&[u8], B> = sk.to_ref();
let sk: &GLWESecretPrepared<&[u8], BE> = &sk.to_ref();
assert_eq!(
res.rank_in(),
@@ -123,12 +123,12 @@ where
assert_eq!(res.n(), sk.n());
assert_eq!(pt.n() as u32, sk.n());
assert!(
scratch.available() >= GGLWE::encrypt_sk_tmp_bytes(self, res),
"scratch.available: {} < GGLWECiphertext::encrypt_sk_tmp_bytes(self, res.rank()={}, res.size()={}): {}",
scratch.available() >= self.gglwe_encrypt_sk_tmp_bytes(res),
"scratch.available: {} < GGLWE::encrypt_sk_tmp_bytes(self, res.rank()={}, res.size()={}): {}",
scratch.available(),
res.rank_out(),
res.size(),
GGLWE::encrypt_sk_tmp_bytes(self, res)
self.gglwe_encrypt_sk_tmp_bytes(res)
);
assert!(
res.dnum().0 * res.dsize().0 * res.base2k().0 <= res.k().0,
@@ -139,7 +139,6 @@ where
res.dnum().0 * res.dsize().0 * res.base2k().0,
res.k()
);
}
let dnum: usize = res.dnum().into();
let dsize: usize = res.dsize().into();
@@ -147,7 +146,7 @@ where
let rank_in: usize = res.rank_in().into();
let (mut tmp_pt, scrach_1) = scratch.take_glwe_pt(self, &res.glwe_layout());
// For each input column (i.e. rank) produces a GGLWE ciphertext of rank_out+1 columns
// For each input column (i.e. rank) produces a GGLWE of rank_out+1 columns
//
// Example for ksk rank 2 to rank 3:
//
@@ -177,20 +176,3 @@ where
}
}
}
impl<DataSelf: DataMut> GGLWE<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>: GGLWEEncryptSk<B>,
{
module.gglwe_encrypt_sk(self, pt, sk, source_xa, source_xe, scratch);
}
}

218
poulpy-core/src/encryption/gglwe_ksk.rs
View File

@@ -1,20 +1,16 @@
use poulpy_hal::{
api::{
ModuleN, ScratchAvailable, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxFillUniform, VecZnxIdftApplyConsume,
VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace, VecZnxSwitchRing,
ScratchTakeBasic,
},
layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch},
api::{ModuleN, ScratchAvailable, ScratchTakeBasic, SvpPrepare, VecZnxSwitchRing},
layouts::{Backend, DataMut, Module, ScalarZnx, Scratch},
source::Source,
};
use crate::{
ScratchTakeCore,
layouts::{
GGLWE, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, GLWESwitchingKeyToMut, LWEInfos, prepared::GLWESecretPrepared,
},
encryption::gglwe_ct::GGLWEEncryptSk,
layouts::{
GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, GLWESwitchingKeyToMut, LWEInfos,
prepared::GLWESecretPreparedAlloc,
},
};
impl GLWESwitchingKey<Vec<u8>> {
@@ -36,209 +32,102 @@ impl GLWESwitchingKey<Vec<u8>> {
}
impl<DataSelf: DataMut> GLWESwitchingKey<DataSelf> {
pub fn encrypt_sk<M, DataSkIn: DataRef, DataSkOut: DataRef, BE: Backend>(
pub fn encrypt_sk<M, S1, S2, BE: Backend>(
&mut self,
module: &M,
sk_in: &GLWESecret<DataSkIn>,
sk_out: &GLWESecret<DataSkOut>,
sk_in: &S1,
sk_out: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
S1: GLWESecretToRef,
S2: GLWESecretToRef,
M: GLWESwitchingKeyEncryptSk<BE>,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
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();
// }
}
pub trait GLWESwitchingKeyEncryptSk<BE: Backend>
where
Self: Sized
+ ModuleN
+ SvpPPolBytesOf
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ SvpPPolAlloc<BE>
+ GGLWEEncryptSk<BE>,
{
pub trait GLWESwitchingKeyEncryptSk<BE: Backend> {
fn glwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn glwe_switching_key_encrypt_sk<R, DataSkIn, DataSkOut>(
fn glwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_in: &GLWESecret<DataSkIn>,
sk_out: &GLWESecret<DataSkOut>,
sk_in: &S1,
sk_out: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
)
where
) where
R: GLWESwitchingKeyToMut,
DataSkIn: DataRef,
DataSkOut: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>;
S1: GLWESecretToRef,
S2: GLWESecretToRef,
Scratch<BE>: ScratchTakeCore<BE>;
}
impl<BE: Backend> GLWESwitchingKeyEncryptSk<BE> for Module<BE> where
Self: ModuleN
+ SvpPPolBytesOf
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes
+ SvpPPolAlloc<BE>
+ GGLWEEncryptSk<BE>
+ VecZnxSwitchRing
+ SvpPrepare<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxNormalize<BE>
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddInplace
+ VecZnxAddNormal
+ VecZnxSub
impl<BE: Backend> GLWESwitchingKeyEncryptSk<BE> for Module<BE>
where
Self: ModuleN + GGLWEEncryptSk<BE> + GLWESecretPreparedAlloc<BE> + VecZnxSwitchRing + SvpPrepare<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn glwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
(GGLWE::encrypt_sk_tmp_bytes(self, infos) | ScalarZnx::bytes_of(self.n(), 1))
self.gglwe_encrypt_sk_tmp_bytes(infos)
.max(ScalarZnx::bytes_of(self.n(), 1))
+ ScalarZnx::bytes_of(self.n(), infos.rank_in().into())
+ GLWESecretPrepared::bytes_of_from_infos(self, &infos.glwe_layout())
+ self.bytes_of_glwe_secret_prepared_from_infos(infos)
}
fn glwe_switching_key_encrypt_sk<R, DataSkIn, DataSkOut>(
fn glwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_in: &GLWESecret<DataSkIn>,
sk_out: &GLWESecret<DataSkOut>,
sk_in: &S1,
sk_out: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
)
where
) where
R: GLWESwitchingKeyToMut,
DataSkIn: DataRef,
DataSkOut: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
S1: GLWESecretToRef,
S2: GLWESecretToRef,
{
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() >= self.glwe_switching_key_encrypt_sk_tmp_bytes(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();
self.glwe_switching_key_encrypt_sk_tmp_bytes(res)
);
let (mut sk_in_tmp, scratch_1) = scratch.take_scalar_znx(self, sk_in.rank().into());
(0..sk_in.rank().into()).for_each(|i| {
for i in 0..sk_in.rank().into() {
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| {
for i in 0..sk_out.rank().into() {
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(
@@ -252,38 +141,19 @@ impl<BE: Backend> GLWESwitchingKeyEncryptSk<BE> for Module<BE> where
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>,
{
pub trait GLWESwitchingKeyEncryptPk<BE: Backend> {
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
impl<BE: Backend> GLWESwitchingKeyEncryptPk<BE> for Module<BE> {
fn glwe_switching_key_encrypt_pk_tmp_bytes<A>(&self, _infos: &A) -> usize
where
A: GGLWEInfos,
{
GGLWE::encrypt_pk_tmp_bytes(self, infos)
unimplemented!()
}
}

169
poulpy-core/src/encryption/gglwe_tsk.rs
View File

@@ -1,156 +1,54 @@
use poulpy_hal::{
api::{
ModuleN, ScratchAvailable, ScratchTakeBasic, SvpApplyDftToDft, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
VecZnxAddScalarInplace, VecZnxBigBytesOf, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxFillUniform,
VecZnxIdftApplyConsume, VecZnxIdftApplyTmpA, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
VecZnxSubInplace, VecZnxSwitchRing,
ModuleN, ScratchAvailable, ScratchTakeBasic, SvpApplyDftToDft, VecZnxBigBytesOf, VecZnxBigNormalize, VecZnxDftApply,
VecZnxDftBytesOf, VecZnxIdftApplyTmpA,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch},
oep::{VecZnxAddScalarInplaceImpl, VecZnxBigAllocBytesImpl, VecZnxDftApplyImpl, SvpApplyDftToDftImpl, VecZnxIdftApplyTmpAImpl, VecZnxBigNormalizeImpl},
layouts::{Backend, DataMut, Module, Scratch},
source::Source,
};
use crate::{
ScratchTakeCore,
layouts::{
GetDist, GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, LWEInfos, Rank, TensorKey, TensorKeyToMut,
prepared::GLWESecretPrepared,
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
layouts::{
GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, GetDist, LWEInfos, Rank, TensorKey, TensorKeyToMut,
prepared::{GLWESecretPrepare, GLWESecretPrepared, GLWESecretPreparedAlloc},
},
};
impl TensorKey<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GGLWEInfos,
M: GGLWETensorKeyEncryptSk<BE>
M: TensorKeyEncryptSk<BE>,
{
module.gglwe_tensor_key_encrypt_sk_tmp_bytes(infos)
module.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<M, DataSk: DataRef, BE: Backend>(
pub fn encrypt_sk<M, S, BE: Backend>(
&mut self,
module: &M,
sk: &GLWESecret<DataSk>,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
M: GGLWETensorKeyEncryptSk<BE>,
GLWESecret<DataSk>: GetDist,
M: TensorKeyEncryptSk<BE>,
S: GLWESecretToRef + GetDist,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
module.gglwe_tensor_key_encrypt_sk(self, sk, source_xa, source_xe, scratch);
module.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
pub trait TensorKeyEncryptSk<BE: Backend> {
fn tensor_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn gglwe_tensor_key_encrypt_sk<R, S>(
fn tensor_key_encrypt_sk<R, S>(
&self,
res: &mut R,
sk: &S,
@@ -162,29 +60,21 @@ where
S: GLWESecretToRef + GetDist;
}
impl<BE: Backend> GGLWETensorKeyEncryptSk<BE> for Module<BE> where
impl<BE: Backend> TensorKeyEncryptSk<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>
+ VecZnxDftBytesOf
+ VecZnxBigBytesOf
+ GLWESecretPreparedAlloc<BE>
+ GLWESecretPrepare<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDft<BE>
+ VecZnxIdftApplyTmpAImpl<BE>
+ VecZnxBigNormalizeImpl<BE>
+ VecZnxIdftApplyTmpA<BE>
+ VecZnxBigNormalize<BE>
+ VecZnxAddScalarInplaceImpl<BE>
+ SvpPrepare<BE>,
Scratch<BE>: ScratchTakeBasic + ScratchTakeCore<BE>,
+ VecZnxBigNormalize<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn gglwe_tensor_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
fn tensor_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos,
{
@@ -196,7 +86,7 @@ impl<BE: Backend> GGLWETensorKeyEncryptSk<BE> for Module<BE> where
+ GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
}
fn gglwe_tensor_key_encrypt_sk<R, S>(
fn tensor_key_encrypt_sk<R, S>(
&self,
res: &mut R,
sk: &S,
@@ -217,11 +107,8 @@ impl<BE: Backend> GGLWETensorKeyEncryptSk<BE> for Module<BE> where
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);

50
poulpy-core/src/encryption/ggsw_ct.rs
View File

@@ -1,14 +1,14 @@
use poulpy_hal::{
api::{ModuleN, VecZnxAddScalarInplace, VecZnxDftBytesOf, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes},
layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, ScalarZnxToRef, Scratch, VecZnx, ZnxZero},
api::{ModuleN, VecZnxAddScalarInplace, VecZnxDftBytesOf, VecZnxNormalizeInplace},
layouts::{Backend, DataMut, Module, ScalarZnx, ScalarZnxToRef, Scratch, VecZnx, ZnxInfos, ZnxZero},
source::Source,
};
use crate::{
SIGMA, ScratchTakeCore,
encryption::glwe_ct::GLWEEncryptSkInternal,
encryption::glwe_ct::{GLWEEncryptSk, GLWEEncryptSkInternal},
layouts::{
GGSW, GGSWInfos, GGSWToMut, GLWE, GLWEInfos, LWEInfos,
GGSW, GGSWInfos, GGSWToMut, GLWEInfos, LWEInfos,
prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
},
};
@@ -21,31 +21,23 @@ impl GGSW<Vec<u8>> {
{
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> {
impl<D: DataMut> GGSW<D> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DataPt: DataRef, DataSk: DataRef, B: Backend>(
pub fn encrypt_sk<P, S, M, BE: Backend>(
&mut self,
module: &Module<B>,
pt: &ScalarZnx<DataPt>,
sk: &GLWESecretPrepared<DataSk, B>,
module: &M,
pt: &P,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
Module<B>: GGSWEncryptSk<B>,
P: ScalarZnxToRef,
S: GLWESecretPreparedToRef<BE>,
M: GGSWEncryptSk<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
module.ggsw_encrypt_sk(self, pt, sk, source_xa, source_xe, scratch);
}
@@ -74,19 +66,18 @@ impl<B: Backend> GGSWEncryptSk<B> for Module<B>
where
Module<B>: ModuleN
+ GLWEEncryptSkInternal<B>
+ VecZnxAddScalarInplace
+ VecZnxNormalizeInplace<B>
+ GLWEEncryptSk<B>
+ VecZnxDftBytesOf
+ VecZnxNormalizeTmpBytes,
+ VecZnxNormalizeInplace<B>
+ VecZnxAddScalarInplace,
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())
self.glwe_encrypt_sk_tmp_bytes(infos)
+ 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)
@@ -109,15 +100,10 @@ where
let pt: &ScalarZnx<&[u8]> = &pt.to_ref();
let sk: &GLWESecretPrepared<&[u8], B> = &sk.to_ref();
#[cfg(debug_assertions)]
{
use poulpy_hal::layouts::ZnxInfos;
assert_eq!(res.rank(), sk.rank());
assert_eq!(res.n(), self.n() as u32);
assert_eq!(pt.n(), self.n());
assert_eq!(sk.n(), self.n() as u32);
}
let k: usize = res.k().into();
let base2k: usize = res.base2k().into();

113
poulpy-core/src/encryption/glwe_ct.rs
View File

@@ -1,15 +1,16 @@
use poulpy_hal::{
api::{
ModuleN, ScratchAvailable, SvpApplyDftToDft, SvpApplyDftToDftInplace, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace,
VecZnxAddNormal, VecZnxBigAddNormal, VecZnxBigAddSmallInplace, VecZnxBigBytesOf, VecZnxBigNormalize, VecZnxDftApply,
VecZnxDftBytesOf, VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace,
VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace, ScratchTakeBasic,
ModuleN, ScratchAvailable, ScratchTakeBasic, SvpApplyDftToDft, SvpApplyDftToDftInplace, SvpPPolBytesOf, SvpPrepare,
VecZnxAddInplace, VecZnxAddNormal, VecZnxBigAddNormal, VecZnxBigAddSmallInplace, VecZnxBigBytesOf, VecZnxBigNormalize,
VecZnxDftApply, VecZnxDftBytesOf, VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace,
VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace,
},
layouts::{Backend, DataMut, Module, ScalarZnx, Scratch, VecZnx, VecZnxBig, VecZnxToMut, ZnxInfos, ZnxZero},
source::Source,
};
use crate::{
ScratchTakeCore,
dist::Distribution,
encryption::{SIGMA, SIGMA_BOUND},
layouts::{
@@ -19,7 +20,6 @@ use crate::{
};
impl GLWE<Vec<u8>> {
pub fn encrypt_sk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GLWEInfos,
@@ -31,16 +31,16 @@ impl GLWE<Vec<u8>> {
pub fn encrypt_pk_tmp_bytes<M, A, BE: Backend>(module: &M, infos: &A) -> usize
where
A: GLWEInfos,
M: GLWEEncryptPk<BE>
M: GLWEEncryptPk<BE>,
{
module.glwe_encrypt_pk_tmp_bytes(infos)
}
}
impl<D: DataMut> GLWE<D> {
pub fn encrypt_sk<R, P, S, BE: Backend>(
pub fn encrypt_sk<R, P, S, M, BE: Backend>(
&mut self,
module: &Module<BE>,
module: &M,
pt: &P,
sk: &S,
source_xa: &mut Source,
@@ -49,28 +49,30 @@ impl<D: DataMut> GLWE<D> {
) where
P: GLWEPlaintextToRef,
S: GLWESecretPreparedToRef<BE>,
Module<BE>: GLWEEncryptSk<BE>,
M: GLWEEncryptSk<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
module.glwe_encrypt_sk(self, pt, sk, source_xa, source_xe, scratch);
}
pub fn encrypt_zero_sk<S, BE: Backend>(
pub fn encrypt_zero_sk<S, M, BE: Backend>(
&mut self,
module: &Module<BE>,
module: &M,
sk: &S,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
S: GLWESecretPreparedToRef<BE>,
Module<BE>: GLWEEncryptSk<BE>,
M: GLWEEncryptSk<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
module.glwe_encrypt_zero_sk(self, sk, source_xa, source_xe, scratch);
}
pub fn encrypt_pk<P, K, BE: Backend>(
pub fn encrypt_pk<P, K, M, BE: Backend>(
&mut self,
module: &Module<BE>,
module: &M,
pt: &P,
pk: &K,
source_xu: &mut Source,
@@ -79,31 +81,28 @@ impl<D: DataMut> GLWE<D> {
) where
P: GLWEPlaintextToRef,
K: GLWEPublicKeyPreparedToRef<BE>,
Module<BE>: GLWEEncryptPk<BE>,
M: GLWEEncryptPk<BE>,
{
module.glwe_encrypt_pk(self, pt, pk, source_xu, source_xe, scratch);
}
pub fn encrypt_zero_pk<K, BE: Backend>(
pub fn encrypt_zero_pk<K, M, BE: Backend>(
&mut self,
module: &Module<BE>,
module: &M,
pk: &K,
source_xu: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
K: GLWEPublicKeyPreparedToRef<BE>,
Module<BE>: GLWEEncryptPk<BE>,
M: GLWEEncryptPk<BE>,
{
module.glwe_encrypt_zero_pk(self, pk, source_xu, source_xe, scratch);
}
}
pub trait GLWEEncryptSk<BE: Backend> {
fn glwe_encrypt_sk_tmp_bytes<A>(
&self,
infos: &A,
) -> usize
fn glwe_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GLWEInfos;
@@ -134,17 +133,10 @@ pub trait GLWEEncryptSk<BE: Backend> {
impl<BE: Backend> GLWEEncryptSk<BE> for Module<BE>
where
Module<BE>: Sized
+ ModuleN
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ GLWEEncryptSkInternal<BE>,
Module<BE>: Sized + ModuleN + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf + GLWEEncryptSkInternal<BE>,
Scratch<BE>: ScratchAvailable,
{
fn glwe_encrypt_sk_tmp_bytes<A>(
&self,
infos: &A,
) -> usize
fn glwe_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GLWEInfos,
{
@@ -166,23 +158,20 @@ where
P: GLWEPlaintextToRef,
S: GLWESecretPreparedToRef<BE>,
{
let mut res: GLWE<&mut [u8]> = res.to_mut();
let pt: GLWEPlaintext<&[u8]> = pt.to_ref();
let res: &mut GLWE<&mut [u8]> = &mut res.to_mut();
let pt: &GLWEPlaintext<&[u8]> = &pt.to_ref();
let sk: &GLWESecretPrepared<&[u8], BE> = &sk.to_ref();
#[cfg(debug_assertions)]
{
let sk: GLWESecretPrepared<&[u8], BE> = sk.to_ref();
assert_eq!(res.rank(), sk.rank());
assert_eq!(res.n(), self.n() as u32);
assert_eq!(sk.n(), self.n() as u32);
assert_eq!(pt.n(), self.n() as u32);
assert!(
scratch.available() >= GLWE::encrypt_sk_tmp_bytes(self, &res),
"scratch.available(): {} < GLWECiphertext::encrypt_sk_tmp_bytes: {}",
scratch.available() >= self.glwe_encrypt_sk_tmp_bytes(res),
"scratch.available(): {} < GLWE::encrypt_sk_tmp_bytes: {}",
scratch.available(),
GLWE::encrypt_sk_tmp_bytes(self, &res)
)
}
self.glwe_encrypt_sk_tmp_bytes(res)
);
let cols: usize = (res.rank() + 1).into();
self.glwe_encrypt_sk_internal(
@@ -191,7 +180,7 @@ where
res.data_mut(),
cols,
false,
Some((&pt, 0)),
Some((pt, 0)),
sk,
source_xa,
source_xe,
@@ -211,21 +200,18 @@ where
R: GLWEToMut,
S: GLWESecretPreparedToRef<BE>,
{
let mut res: GLWE<&mut [u8]> = res.to_mut();
let res: &mut GLWE<&mut [u8]> = &mut res.to_mut();
let sk: &GLWESecretPrepared<&[u8], BE> = &sk.to_ref();
#[cfg(debug_assertions)]
{
let sk: GLWESecretPrepared<&[u8], BE> = sk.to_ref();
assert_eq!(res.rank(), sk.rank());
assert_eq!(res.n(), self.n() as u32);
assert_eq!(sk.n(), self.n() as u32);
assert!(
scratch.available() >= self.glwe_encrypt_sk_tmp_bytes(&res),
"scratch.available(): {} < GLWECiphertext::encrypt_sk_tmp_bytes: {}",
scratch.available() >= self.glwe_encrypt_sk_tmp_bytes(res),
"scratch.available(): {} < GLWE::encrypt_sk_tmp_bytes: {}",
scratch.available(),
self.glwe_encrypt_sk_tmp_bytes(&res)
)
}
self.glwe_encrypt_sk_tmp_bytes(res)
);
let cols: usize = (res.rank() + 1).into();
self.glwe_encrypt_sk_internal(
@@ -245,10 +231,7 @@ where
}
pub trait GLWEEncryptPk<BE: Backend> {
fn glwe_encrypt_pk_tmp_bytes<A>(
&self,
infos: &A,
) -> usize
fn glwe_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GLWEInfos;
@@ -275,28 +258,19 @@ pub trait GLWEEncryptPk<BE: Backend> {
) where
R: GLWEToMut,
K: GLWEPublicKeyPreparedToRef<BE>;
}
impl<BE: Backend> GLWEEncryptPk<BE> for Module<BE>
where
Module<BE>: GLWEEncryptPkInternal<BE>
+ VecZnxDftBytesOf
+ SvpPPolBytesOf
+ VecZnxBigBytesOf
+ VecZnxNormalizeTmpBytes,
Module<BE>: GLWEEncryptPkInternal<BE> + VecZnxDftBytesOf + SvpPPolBytesOf + VecZnxBigBytesOf + VecZnxNormalizeTmpBytes,
{
fn glwe_encrypt_pk_tmp_bytes<A>(
&self,
infos: &A,
) -> usize
fn glwe_encrypt_pk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GLWEInfos,
{
let size: usize = infos.size();
assert_eq!(self.n() as u32, infos.n());
((self.bytes_of_vec_znx_dft(1, size) + self.bytes_of_vec_znx_big(1, size)) | ScalarZnx::bytes_of(self.n(), 1))
((self.bytes_of_vec_znx_dft(1, size) + self.bytes_of_vec_znx_big(1, size)).max(ScalarZnx::bytes_of(self.n(), 1)))
+ self.bytes_of_svp_ppol(1)
+ self.vec_znx_normalize_tmp_bytes()
}
@@ -383,8 +357,6 @@ where
let res: &mut GLWE<&mut [u8]> = &mut res.to_mut();
let pk: &GLWEPublicKeyPrepared<&[u8], BE> = &pk.to_ref();
#[cfg(debug_assertions)]
{
assert_eq!(res.base2k(), pk.base2k());
assert_eq!(res.n(), pk.n());
assert_eq!(res.rank(), pk.rank());
@@ -392,7 +364,6 @@ where
assert_eq!(pt.to_ref().base2k(), pk.base2k());
assert_eq!(pt.to_ref().n(), pk.n());
}
}
let base2k: usize = pk.base2k().into();
let size_pk: usize = pk.size();
@@ -517,7 +488,7 @@ where
assert_eq!(
ct.cols(),
1,
"invalid ciphertext: compressed tag=true but #cols={} != 1",
"invalid glwe: compressed tag=true but #cols={} != 1",
ct.cols()
)
}

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

@@ -1,13 +1,14 @@
use poulpy_hal::{
api::{ScratchOwnedAlloc, ScratchOwnedBorrow, VecZnxDftBytesOf, VecZnxNormalizeTmpBytes},
layouts::{Backend, DataMut, DataRef, Module, ScratchOwned},
api::{ScratchOwnedAlloc, ScratchOwnedBorrow},
layouts::{Backend, DataMut, DataRef, Module, Scratch, ScratchOwned},
source::Source,
};
use crate::{
encryption::glwe_ct::{GLWEEncryptSk},
Distribution, ScratchTakeCore,
encryption::glwe_ct::GLWEEncryptSk,
layouts::{
GLWE, GLWEPublicKey, GLWEPublicKeyToMut,
GLWE, GLWEPublicKey, GLWEPublicKeyToMut, LWEInfos,
prepared::{GLWESecretPrepared, GLWESecretPreparedToRef},
},
};
@@ -33,22 +34,19 @@ pub trait GLWEPublicKeyGenerate<B: Backend> {
S: GLWESecretPreparedToRef<B>;
}
impl<B: Backend> GLWEPublicKeyGenerate<B> for Module<B>
impl<BE: Backend> GLWEPublicKeyGenerate<BE> for Module<BE>
where
Module<B>: GLWEEncryptSk<B> + VecZnxNormalizeTmpBytes + VecZnxDftBytesOf,
ScratchOwned<B>: ScratchOwnedAlloc<B> + ScratchOwnedBorrow<B>,
Module<BE>: GLWEEncryptSk<BE>,
ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn glwe_public_key_generate<R, S>(&self, res: &mut R, sk: &S, source_xa: &mut Source, source_xe: &mut Source)
where
R: GLWEPublicKeyToMut,
S: GLWESecretPreparedToRef<B>,
S: GLWESecretPreparedToRef<BE>,
{
let res: &mut GLWEPublicKey<&mut [u8]> = &mut res.to_mut();
let sk: &GLWESecretPrepared<&[u8], B> = &sk.to_ref();
#[cfg(debug_assertions)]
{
use crate::{Distribution, layouts::LWEInfos};
let sk: &GLWESecretPrepared<&[u8], BE> = &sk.to_ref();
assert_eq!(res.n(), self.n() as u32);
assert_eq!(sk.n(), self.n() as u32);
@@ -56,10 +54,9 @@ where
if sk.dist == Distribution::NONE {
panic!("invalid sk: SecretDistribution::NONE")
}
}
// Its ok to allocate scratch space here since pk is usually generated only once.
let mut scratch: ScratchOwned<B> = ScratchOwned::alloc(self.glwe_encrypt_sk_tmp_bytes(res));
let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(self.glwe_encrypt_sk_tmp_bytes(res));
let mut tmp: GLWE<Vec<u8>> = GLWE::alloc_from_infos(self, res);

182
poulpy-core/src/encryption/glwe_to_lwe_ksk.rs
View File

@@ -1,23 +1,17 @@
use poulpy_hal::{
api::{
ModuleN, ScratchAvailable, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf,
VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
VecZnxSubInplace, VecZnxSwitchRing,
ScratchTakeBasic
},
layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut, ZnxZero},
oep::{ScratchAvailableImpl, VecZnxFillUniformImpl},
source::Source
api::{ModuleN, VecZnxAutomorphismInplace},
layouts::{Backend, DataMut, Module, Scratch, ZnxView, ZnxViewMut, ZnxZero},
source::Source,
};
use crate::{
ScratchTakeCore,
layouts::{
GGLWEInfos, GLWESecret, GLWESwitchingKey, GLWEToLWESwitchingKey, LWEInfos, LWESecret, Rank, GLWEToLWESwitchingKeyToMut,
prepared::GLWESecretPrepared,
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
layouts::{
GGLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, GLWEToLWESwitchingKey, GLWEToLWESwitchingKeyToMut, LWEInfos,
LWESecret, LWESecretToRef, Rank,
prepared::{GLWESecretPrepared, GLWESecretPreparedAlloc},
},
};
impl GLWEToLWESwitchingKey<Vec<u8>> {
@@ -28,187 +22,77 @@ impl GLWEToLWESwitchingKey<Vec<u8>> {
{
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> {
pub fn encrypt_sk<M, DLwe, DGlwe, BE: Backend>(
pub fn encrypt_sk<M, S1, S2, BE: Backend>(
&mut self,
module: &M,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DGlwe>,
sk_lwe: &S1,
sk_glwe: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
M: GLWEToLWESwitchingKeyEncrypt<BE>,
DLwe: DataRef,
DGlwe: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
S1: LWESecretToRef,
S2: GLWESecretToRef,
Scratch<BE>: 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>
{
pub trait GLWEToLWESwitchingKeyEncrypt<BE: Backend> {
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>(
fn glwe_to_lwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
sk_lwe: &S1,
sk_glwe: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: GLWEToLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>;
S1: LWESecretToRef,
S2: GLWESecretToRef,
R: GLWEToLWESwitchingKeyToMut;
}
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>
impl<BE: Backend> GLWEToLWESwitchingKeyEncrypt<BE> for Module<BE>
where
Module<BE>: ModuleN + GLWESwitchingKeyEncryptSk<BE> + GLWESecretPreparedAlloc<BE> + VecZnxAutomorphismInplace<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn glwe_to_lwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos
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>(
fn glwe_to_lwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
sk_lwe: &S1,
sk_glwe: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
S1: LWESecretToRef,
S2: GLWESecretToRef,
R: GLWEToLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let res: &mut GLWEToLWESwitchingKey<&mut [u8]> = &mut res.to_mut();
let sk_lwe: &LWESecret<&[u8]> = &sk_lwe.to_ref();
let sk_glwe: &GLWESecret<&[u8]> = &sk_glwe.to_ref();
#[cfg(debug_assertions)]
{
assert!(sk_lwe.n().0 <= self.n() as u32);
}
let (mut sk_lwe_as_glwe, scratch_1) = scratch.take_glwe_secret(self, Rank(1));
sk_lwe_as_glwe.data.zero();

16
poulpy-core/src/encryption/lwe_ct.rs
View File

@@ -7,11 +7,10 @@ use poulpy_hal::{
use crate::{
encryption::{SIGMA, SIGMA_BOUND},
layouts::{LWE, LWEInfos, LWEPlaintext, LWESecret, LWEToMut, LWEPlaintextToRef, LWESecretToRef},
layouts::{LWE, LWEInfos, LWEPlaintext, LWEPlaintextToRef, LWESecret, LWESecretToRef, LWEToMut},
};
impl<DataSelf: DataMut> LWE<DataSelf> {
pub fn encrypt_sk<P, S, M, BE: Backend>(&mut self, module: &M, pt: &P, sk: &S, source_xa: &mut Source, source_xe: &mut Source)
where
P: LWEPlaintextToRef,
@@ -23,27 +22,24 @@ impl<DataSelf: DataMut> LWE<DataSelf> {
}
}
pub trait LWEEncryptSk<BE: Backend>
where
Self: Sized + ZnFillUniform + ZnAddNormal + ZnNormalizeInplace<BE>,
{
pub trait LWEEncryptSk<BE: Backend> {
fn lwe_encrypt_sk<R, P, S>(&self, res: &mut R, pt: &P, sk: &S, source_xa: &mut Source, source_xe: &mut Source)
where
R: LWEToMut,
P: LWEPlaintextToRef,
S: LWESecretToRef,
BE: Backend + ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE>;
S: LWESecretToRef;
}
impl<BE: Backend> LWEEncryptSk<BE> for Module<BE> where
impl<BE: Backend> LWEEncryptSk<BE> for Module<BE>
where
Self: Sized + ZnFillUniform + ZnAddNormal + ZnNormalizeInplace<BE>,
BE: ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE>,
{
fn lwe_encrypt_sk<R, P, S>(&self, res: &mut R, pt: &P, sk: &S, source_xa: &mut Source, source_xe: &mut Source)
where
R: LWEToMut,
P: LWEPlaintextToRef,
S: LWESecretToRef,
BE: Backend + ScratchOwnedAllocImpl<BE> + ScratchOwnedBorrowImpl<BE>,
{
let res: &mut LWE<&mut [u8]> = &mut res.to_mut();
let pt: &LWEPlaintext<&[u8]> = &pt.to_ref();

202
poulpy-core/src/encryption/lwe_ksk.rs
View File

@@ -1,22 +1,17 @@
use poulpy_hal::{
api::{
ModuleN, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace,
VecZnxAutomorphismInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf, VecZnxFillUniform,
VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace,
VecZnxSwitchRing,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut},
api::{ModuleN, VecZnxAutomorphismInplace},
layouts::{Backend, DataMut, Module, Scratch, ZnxView, ZnxViewMut},
source::Source,
};
use crate::{
ScratchTakeCore,
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
layouts::{
GLWESecretAlloc,
GGLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, LWESecret, LWESwitchingKey, Rank,
GGLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, LWESecret, LWESecretToRef, LWESwitchingKey, LWESwitchingKeyToMut,
Rank,
prepared::{GLWESecretPrepared, GLWESecretPreparedAlloc},
},
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
ScratchTakeCore,
};
impl LWESwitchingKey<Vec<u8>> {
@@ -27,145 +22,65 @@ impl LWESwitchingKey<Vec<u8>> {
{
module.lwe_switching_key_encrypt_sk_tmp_bytes(infos)
}
}
impl<D: DataMut> LWESwitchingKey<D> {
#[allow(clippy::too_many_arguments)]
pub fn encrypt_sk<DIn, DOut, B: Backend>(
pub fn encrypt_sk<S1, S2, M, BE: Backend>(
&mut self,
module: &Module<B>,
sk_lwe_in: &LWESecret<DIn>,
sk_lwe_out: &LWESecret<DOut>,
module: &M,
sk_lwe_in: &S1,
sk_lwe_out: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<B>,
scratch: &mut Scratch<BE>,
) where
DIn: DataRef,
DOut: 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>: ScratchTakeCore<B>,
S1: LWESecretToRef,
S2: LWESecretToRef,
M: LWESwitchingKeyEncrypt<BE>,
{
#[cfg(debug_assertions)]
{
assert!(sk_lwe_in.n().0 <= self.n().0);
assert!(sk_lwe_out.n().0 <= self.n().0);
assert!(self.n().0 <= module.n() as u32);
}
let (mut sk_in_glwe, scratch_1) = scratch.take_glwe_secret(module, Rank(1));
let (mut sk_out_glwe, scratch_2) = scratch_1.take_glwe_secret(module, Rank(1));
sk_out_glwe.data.at_mut(0, 0)[..sk_lwe_out.n().into()].copy_from_slice(sk_lwe_out.data.at(0, 0));
sk_out_glwe.data.at_mut(0, 0)[sk_lwe_out.n().into()..].fill(0);
module.vec_znx_automorphism_inplace(-1, &mut sk_out_glwe.data.as_vec_znx_mut(), 0, scratch_2);
sk_in_glwe.data.at_mut(0, 0)[..sk_lwe_in.n().into()].copy_from_slice(sk_lwe_in.data.at(0, 0));
sk_in_glwe.data.at_mut(0, 0)[sk_lwe_in.n().into()..].fill(0);
module.vec_znx_automorphism_inplace(-1, &mut sk_in_glwe.data.as_vec_znx_mut(), 0, scratch_2);
self.0.encrypt_sk(
module,
&sk_in_glwe,
&sk_out_glwe,
source_xa,
source_xe,
scratch_2,
);
module.lwe_switching_key_encrypt_sk(self, sk_lwe_in, sk_lwe_out, source_xa, source_xe, scratch);
}
}
pub trait LWESwitchingKeyEncrypt<BE: Backend>
where
Self: Sized
+ ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAutomorphismInplace<BE>
+ VecZnxAddScalarInplace
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxNormalize<BE>
+ VecZnxSub
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ GLWESecretAlloc
+ GLWESecretPreparedAlloc<BE>
{
pub trait LWESwitchingKeyEncrypt<BE: Backend> {
fn lwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos;
fn lwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_lwe_in: &S1,
sk_lwe_out: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: LWESwitchingKeyToMut,
S1: LWESecretToRef,
S2: LWESecretToRef;
}
impl<BE:Backend> LWESwitchingKeyEncrypt<BE> for Module<BE> where
Self: ModuleN
+ SvpPPolBytesOf
+ SvpPPolAlloc<BE>
+ VecZnxNormalizeTmpBytes
+ VecZnxDftBytesOf
+ VecZnxAutomorphismInplace<BE>
+ VecZnxAddScalarInplace
+ VecZnxBigNormalize<BE>
+ VecZnxDftApply<BE>
+ SvpApplyDftToDftInplace<BE>
+ VecZnxIdftApplyConsume<BE>
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<BE>
+ VecZnxAddNormal
+ VecZnxNormalize<BE>
+ VecZnxSub
+ SvpPrepare<BE>
+ VecZnxSwitchRing
+ GLWESecretAlloc
+ GLWESecretPreparedAlloc<BE>
+ GLWESwitchingKeyEncryptSk<BE>
,
impl<BE: Backend> LWESwitchingKeyEncrypt<BE> for Module<BE>
where
Self: ModuleN + GLWESwitchingKeyEncryptSk<BE> + GLWESecretPreparedAlloc<BE> + VecZnxAutomorphismInplace<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn lwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos
A: GGLWEInfos,
{
debug_assert_eq!(
assert_eq!(
infos.dsize().0,
1,
"dsize > 1 is not supported for LWESwitchingKey"
);
debug_assert_eq!(
assert_eq!(
infos.rank_in().0,
1,
"rank_in > 1 is not supported for LWESwitchingKey"
);
debug_assert_eq!(
assert_eq!(
infos.rank_out().0,
1,
"rank_out > 1 is not supported for LWESwitchingKey"
@@ -174,4 +89,47 @@ impl<BE:Backend> LWESwitchingKeyEncrypt<BE> for Module<BE> where
+ GLWESecretPrepared::bytes_of(self, Rank(1))
+ GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
}
#[allow(clippy::too_many_arguments)]
fn lwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_lwe_in: &S1,
sk_lwe_out: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: LWESwitchingKeyToMut,
S1: LWESecretToRef,
S2: LWESecretToRef,
{
let res: &mut LWESwitchingKey<&mut [u8]> = &mut res.to_mut();
let sk_lwe_in: &LWESecret<&[u8]> = &sk_lwe_in.to_ref();
let sk_lwe_out = &sk_lwe_out.to_ref();
assert!(sk_lwe_in.n().0 <= res.n().0);
assert!(sk_lwe_out.n().0 <= res.n().0);
assert!(res.n() <= self.n() as u32);
let (mut sk_in_glwe, scratch_1) = scratch.take_glwe_secret(self, Rank(1));
let (mut sk_out_glwe, scratch_2) = scratch_1.take_glwe_secret(self, Rank(1));
sk_out_glwe.data.at_mut(0, 0)[..sk_lwe_out.n().into()].copy_from_slice(sk_lwe_out.data.at(0, 0));
sk_out_glwe.data.at_mut(0, 0)[sk_lwe_out.n().into()..].fill(0);
self.vec_znx_automorphism_inplace(-1, &mut sk_out_glwe.data.as_vec_znx_mut(), 0, scratch_2);
sk_in_glwe.data.at_mut(0, 0)[..sk_lwe_in.n().into()].copy_from_slice(sk_lwe_in.data.at(0, 0));
sk_in_glwe.data.at_mut(0, 0)[sk_lwe_in.n().into()..].fill(0);
self.vec_znx_automorphism_inplace(-1, &mut sk_in_glwe.data.as_vec_znx_mut(), 0, scratch_2);
self.glwe_switching_key_encrypt_sk(
&mut res.0,
&sk_in_glwe,
&sk_out_glwe,
source_xa,
source_xe,
scratch_2,
);
}
}

185
poulpy-core/src/encryption/lwe_to_glwe_ksk.rs
View File

@@ -1,20 +1,16 @@
use poulpy_hal::{
api::{
ModuleN, ScratchAvailable, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPPolBytesOf, SvpPrepare, VecZnxAddInplace, VecZnxAddNormal,
VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize, VecZnxDftApply, VecZnxDftBytesOf,
VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
VecZnxSubInplace, VecZnxSwitchRing,
ScratchTakeBasic,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut},
oep::{ScratchAvailableImpl},
api::{ModuleN, VecZnxAutomorphismInplace},
layouts::{Backend, DataMut, Module, Scratch, ZnxView, ZnxViewMut},
source::Source,
};
use crate::{
layouts::{GGLWEInfos, GLWESecret, GLWESwitchingKey, LWEInfos, LWESecret, LWEToGLWESwitchingKey, LWEToGLWESwitchingKeyToMut, Rank},
ScratchTakeCore,
encryption::gglwe_ksk::GLWESwitchingKeyEncryptSk,
layouts::{
GGLWEInfos, GLWESecret, GLWESecretToRef, GLWESwitchingKey, LWEInfos, LWESecret, LWESecretToRef, LWEToGLWESwitchingKey,
LWEToGLWESwitchingKeyToMut, Rank,
},
};
impl LWEToGLWESwitchingKey<Vec<u8>> {
@@ -25,198 +21,81 @@ impl LWEToGLWESwitchingKey<Vec<u8>> {
{
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>(
pub fn encrypt_sk<S1, S2, M, BE: Backend>(
&mut self,
module: &M,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DGlwe>,
sk_lwe: &S1,
sk_glwe: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
S1: LWESecretToRef,
S2: GLWESecretToRef,
M: LWEToGLWESwitchingKeyEncrypt<BE>,
DLwe: DataRef,
DGlwe: DataRef,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
Scratch<BE>: 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>
{
pub trait LWEToGLWESwitchingKeyEncrypt<BE: Backend> {
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>(
fn lwe_to_glwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
sk_lwe: &S1,
sk_glwe: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
R: LWEToGLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>;
S1: LWESecretToRef,
S2: GLWESecretToRef,
R: LWEToGLWESwitchingKeyToMut;
}
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>
impl<BE: Backend> LWEToGLWESwitchingKeyEncrypt<BE> for Module<BE>
where
Self: ModuleN + GLWESwitchingKeyEncryptSk<BE> + VecZnxAutomorphismInplace<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
fn lwe_to_glwe_switching_key_encrypt_sk_tmp_bytes<A>(&self, infos: &A) -> usize
where
A: GGLWEInfos
A: GGLWEInfos,
{
debug_assert_eq!(
infos.rank_in(),
Rank(1),
"rank_in != 1 is not supported for LWEToGLWESwitchingKey"
);
GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos)
+ GLWESecret::bytes_of(self, infos.rank_in())
GLWESwitchingKey::encrypt_sk_tmp_bytes(self, infos) + GLWESecret::bytes_of(self, infos.rank_in())
}
fn lwe_to_glwe_switching_key_encrypt_sk<R, DLwe: DataRef, DataGlwe: DataRef>(
fn lwe_to_glwe_switching_key_encrypt_sk<R, S1, S2>(
&self,
res: &mut R,
sk_lwe: &LWESecret<DLwe>,
sk_glwe: &GLWESecret<DataGlwe>,
sk_lwe: &S1,
sk_glwe: &S2,
source_xa: &mut Source,
source_xe: &mut Source,
scratch: &mut Scratch<BE>,
) where
S1: LWESecretToRef,
S2: GLWESecretToRef,
R: LWEToGLWESwitchingKeyToMut,
Scratch<BE>: ScratchAvailable + ScratchTakeCore<BE>,
{
let res: &mut LWEToGLWESwitchingKey<&mut [u8]> = &mut res.to_mut();
#[cfg(debug_assertions)]
{
use crate::layouts::LWEInfos;
let sk_lwe: &LWESecret<&[u8]> = &sk_lwe.to_ref();
let sk_glwe: &GLWESecret<&[u8]> = &sk_glwe.to_ref();
assert!(sk_lwe.n().0 <= self.n() as u32);
}
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));

4
poulpy-core/src/layouts/prepared/glwe_sk.rs
View File

@@ -66,7 +66,7 @@ where
fn bytes_of_glwe_secret(&self, rank: Rank) -> usize {
self.bytes_of_svp_ppol(rank.into())
}
fn bytes_of_glwe_secret_from_infos<A>(&self, infos: &A) -> usize
fn bytes_of_glwe_secret_prepared_from_infos<A>(&self, infos: &A) -> usize
where
A: GLWEInfos,
{
@@ -98,7 +98,7 @@ impl<B: Backend> GLWESecretPrepared<Vec<u8>, B> {
A: GLWEInfos,
M: GLWESecretPreparedAlloc<B>,
{
module.bytes_of_glwe_secret_from_infos(infos)
module.bytes_of_glwe_secret_prepared_from_infos(infos)
}
pub fn bytes_of<M>(module: &M, rank: Rank) -> usize