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This commit is contained in:
Pro7ech
2025-10-12 21:34:10 +02:00
parent f72363cc4b
commit 662e533eac
32 changed files with 1594 additions and 787 deletions
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137
poulpy-core/src/encryption/compressed/gglwe_atk.rs
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@@ -1,19 +1,15 @@
use poulpy_hal::{
api::{
ScratchAvailable, SvpApplyDftToDftInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphism, VecZnxBigNormalize, VecZnxDftAllocBytes,
VecZnxDftApply, VecZnxFillUniform, VecZnxIdftApplyConsume, VecZnxNormalize, VecZnxNormalizeInplace,
VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubInplace, VecZnxSwitchRing,
},
api::{ScratchAvailable, SvpPPolAllocBytes, VecZnxAutomorphism, VecZnxDftAllocBytes, VecZnxNormalizeTmpBytes},
layouts::{Backend, DataMut, DataRef, Module, Scratch},
source::Source,
};
use crate::{
TakeGLWESecret, TakeGLWESecretPrepared,
TakeGLWESecret,
encryption::compressed::gglwe_ksk::GGLWEKeyCompressedEncryptSk,
layouts::{
GGLWEInfos, GLWEInfos, GLWESecret, LWEInfos,
compressed::{GGLWEAutomorphismKeyCompressed, GGLWESwitchingKeyCompressed},
GGLWEInfos, GLWEInfos, GLWESecret, GLWESecretToRef, LWEInfos,
compressed::{GGLWEAutomorphismKeyCompressed, GGLWEAutomorphismKeyCompressedToMut, GGLWEKeyCompressed},
},
};
@@ -24,8 +20,75 @@ impl GGLWEAutomorphismKeyCompressed<Vec<u8>> {
Module<B>: VecZnxNormalizeTmpBytes + VecZnxDftAllocBytes + VecZnxNormalizeTmpBytes + SvpPPolAllocBytes,
{
assert_eq!(module.n() as u32, infos.n());
GGLWESwitchingKeyCompressed::encrypt_sk_scratch_space(module, infos)
+ GLWESecret::alloc_bytes_with(infos.n(), infos.rank_out())
GGLWEKeyCompressed::encrypt_sk_scratch_space(module, infos) + GLWESecret::alloc_bytes_with(infos.n(), infos.rank_out())
}
}
pub trait GGLWEAutomorphismKeyCompressedEncryptSk<B: Backend> {
fn gglwe_automorphism_key_compressed_encrypt_sk<R, S>(
&self,
res: &mut R,
p: i64,
sk: &S,
seed_xa: [u8; 32],
source_xe: &mut Source,
scratch: &mut Scratch<B>,
) where
R: GGLWEAutomorphismKeyCompressedToMut,
S: GLWESecretToRef;
}
impl<B: Backend> GGLWEAutomorphismKeyCompressedEncryptSk<B> for Module<B>
where
Module<B>:
GGLWEKeyCompressedEncryptSk<B> + VecZnxNormalizeTmpBytes + VecZnxDftAllocBytes + SvpPPolAllocBytes + VecZnxAutomorphism,
Scratch<B>: TakeGLWESecret + ScratchAvailable,
{
fn gglwe_automorphism_key_compressed_encrypt_sk<R, S>(
&self,
res: &mut R,
p: i64,
sk: &S,
seed_xa: [u8; 32],
source_xe: &mut Source,
scratch: &mut Scratch<B>,
) where
R: GGLWEAutomorphismKeyCompressedToMut,
S: GLWESecretToRef,
{
let res: &mut GGLWEAutomorphismKeyCompressed<&mut [u8]> = &mut res.to_mut();
let sk: &GLWESecret<&[u8]> = &sk.to_ref();
#[cfg(debug_assertions)]
{
assert_eq!(res.n(), sk.n());
assert_eq!(res.rank_out(), res.rank_in());
assert_eq!(sk.rank(), res.rank_out());
assert!(
scratch.available() >= GGLWEAutomorphismKeyCompressed::encrypt_sk_scratch_space(self, res),
"scratch.available(): {} < AutomorphismKey::encrypt_sk_scratch_space: {}",
scratch.available(),
GGLWEAutomorphismKeyCompressed::encrypt_sk_scratch_space(self, res)
)
}
let (mut sk_out, scratch_1) = scratch.take_glwe_secret(sk.n(), sk.rank());
{
(0..res.rank_out().into()).for_each(|i| {
self.vec_znx_automorphism(
self.galois_element_inv(p),
&mut sk_out.data.as_vec_znx_mut(),
i,
&sk.data.as_vec_znx(),
i,
);
});
}
self.gglwe_key_compressed_encrypt_sk(&mut res.key, sk, &sk_out, seed_xa, source_xe, scratch_1);
res.p = p;
}
}
@@ -40,56 +103,8 @@ impl<DataSelf: DataMut> GGLWEAutomorphismKeyCompressed<DataSelf> {
source_xe: &mut Source,
scratch: &mut Scratch<B>,
) where
Module<B>: VecZnxAutomorphism
+ SvpPrepare<B>
+ SvpPPolAllocBytes
+ VecZnxSwitchRing
+ VecZnxDftAllocBytes
+ VecZnxBigNormalize<B>
+ VecZnxDftApply<B>
+ SvpApplyDftToDftInplace<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxNormalizeTmpBytes
+ VecZnxFillUniform
+ VecZnxSubInplace
+ VecZnxAddInplace
+ VecZnxNormalizeInplace<B>
+ VecZnxAddNormal
+ VecZnxNormalize<B>
+ VecZnxSub
+ VecZnxAddScalarInplace,
Scratch<B>: TakeVecZnxDft<B> + ScratchAvailable + TakeVecZnx + TakeScalarZnx + TakeGLWESecretPrepared<B>,
Module<B>: GGLWEAutomorphismKeyCompressedEncryptSk<B>,
{
#[cfg(debug_assertions)]
{
assert_eq!(self.n(), sk.n());
assert_eq!(self.rank_out(), self.rank_in());
assert_eq!(sk.rank(), self.rank_out());
assert!(
scratch.available() >= GGLWEAutomorphismKeyCompressed::encrypt_sk_scratch_space(module, self),
"scratch.available(): {} < AutomorphismKey::encrypt_sk_scratch_space: {}",
scratch.available(),
GGLWEAutomorphismKeyCompressed::encrypt_sk_scratch_space(module, self)
)
}
let (mut sk_out, scratch_1) = scratch.take_glwe_secret(sk.n(), sk.rank());
{
(0..self.rank_out().into()).for_each(|i| {
module.vec_znx_automorphism(
module.galois_element_inv(p),
&mut sk_out.data.as_vec_znx_mut(),
i,
&sk.data.as_vec_znx(),
i,
);
});
}
self.key
.encrypt_sk(module, sk, &sk_out, seed_xa, source_xe, scratch_1);
self.p = p;
module.gglwe_automorphism_key_compressed_encrypt_sk(self, p, sk, seed_xa, source_xe, scratch);
}
}