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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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12
core/src/lwe/encryption.rs
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@@ -28,7 +28,9 @@ where
self.data.fill_uniform(basek, 0, self.size(), source_xa);
let mut tmp_znx: VecZnx<Vec<u8>> = VecZnx::<Vec<u8>>::new::<i64>(1, 1, self.size());
(0..self.size()).for_each(|i| {
let min_size = self.size().min(pt.size());
(0..min_size).for_each(|i| {
tmp_znx.at_mut(0, i)[0] = pt.data.at(0, i)[0]
- self.data.at(0, i)[1..]
.iter()
@@ -37,6 +39,14 @@ where
.sum::<i64>();
});
(min_size..self.size()).for_each(|i| {
tmp_znx.at_mut(0, i)[0] -= self.data.at(0, i)[1..]
.iter()
.zip(sk.data.at(0, 0))
.map(|(x, y)| x * y)
.sum::<i64>();
});
tmp_znx.add_normal(basek, 0, self.k(), source_xe, sigma, sigma * SIX_SIGMA);
let mut tmp_bytes: Vec<u8> = alloc_aligned(size_of::<i64>());