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Added LWE-GLWE conversion & LWE Keyswitch, improved LUT generation

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This commit is contained in:
Jean-Philippe Bossuat
2025-07-07 11:09:04 +02:00
parent c4a517e9c3
commit 5234c3fc63
28 changed files with 979 additions and 782 deletions
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24
core/src/glwe/keyswitch.rs
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@@ -87,8 +87,20 @@ impl<DataSelf: AsRef<[u8]> + AsMut<[u8]>> GLWECiphertext<DataSelf> {
#[cfg(debug_assertions)]
{
assert_eq!(lhs.rank(), rhs.rank_in());
assert_eq!(self.rank(), rhs.rank_out());
assert_eq!(
lhs.rank(),
rhs.rank_in(),
"lhs.rank(): {} != rhs.rank_in(): {}",
lhs.rank(),
rhs.rank_in()
);
assert_eq!(
self.rank(),
rhs.rank_out(),
"self.rank(): {} != rhs.rank_out(): {}",
self.rank(),
rhs.rank_out()
);
assert_eq!(self.basek(), basek);
assert_eq!(lhs.basek(), basek);
assert_eq!(rhs.n(), module.n());
@@ -141,9 +153,9 @@ impl<DataSelf: AsRef<[u8]> + AsMut<[u8]>> GLWECiphertext<DataSelf> {
});
if di == 0 {
module.vmp_apply(&mut res_dft, &ai_dft, &rhs.0.data, scratch2);
module.vmp_apply(&mut res_dft, &ai_dft, &rhs.key.data, scratch2);
} else {
module.vmp_apply_add(&mut res_dft, &ai_dft, &rhs.0.data, di, scratch2);
module.vmp_apply_add(&mut res_dft, &ai_dft, &rhs.key.data, di, scratch2);
}
});
}
@@ -225,9 +237,9 @@ impl<DataSelf: AsRef<[u8]> + AsMut<[u8]>> GLWECiphertext<DataSelf> {
});
if di == 0 {
module.vmp_apply(&mut res_dft, &ai_dft, &rhs.0.data, scratch2);
module.vmp_apply(&mut res_dft, &ai_dft, &rhs.key.data, scratch2);
} else {
module.vmp_apply_add(&mut res_dft, &ai_dft, &rhs.0.data, di, scratch2);
module.vmp_apply_add(&mut res_dft, &ai_dft, &rhs.key.data, di, scratch2);
}
});
}