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Updated packing to clean values correctly

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This commit is contained in:
Pro7ech
2025-10-30 15:58:30 +01:00
parent a6970669dd
commit 3cd79e5a90
19 changed files with 127 additions and 93 deletions
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59
poulpy-core/src/glwe_packing.rs
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@@ -6,15 +6,22 @@ use poulpy_hal::{
};
use crate::{
GLWEAdd, GLWEAutomorphism, GLWECopy, GLWENormalize, GLWERotate, GLWEShift, GLWESub, ScratchTakeCore,
GLWEAdd, GLWEAutomorphism, GLWECopy, GLWENormalize, GLWERotate, GLWEShift, GLWESub, GLWETrace, ScratchTakeCore,
layouts::{GGLWEInfos, GGLWEPreparedToRef, GLWEAutomorphismKeyHelper, GLWEInfos, GLWEToMut, GLWEToRef, GetGaloisElement},
};
pub trait GLWEPacking<BE: Backend> {
/// Packs [x_0: GLWE(m_0), x_1: GLWE(m_1), ..., x_i: GLWE(m_i)]
/// to [0: GLWE(m_0 * X^x_0 + m_1 * X^x_1 + ... + m_i * X^x_i)]
fn glwe_pack<R, K, H>(&self, cts: &mut HashMap<usize, &mut R>, log_gap_out: usize, keys: &H, scratch: &mut Scratch<BE>)
where
R: GLWEToMut + GLWEToRef + GLWEInfos,
fn glwe_pack<R, A, K, H>(
&self,
res: &mut R,
a: HashMap<usize, &mut A>,
log_gap_out: usize,
keys: &H,
scratch: &mut Scratch<BE>,
) where
R: GLWEToMut,
A: GLWEToMut + GLWEToRef + GLWEInfos,
K: GGLWEPreparedToRef<BE> + GetGaloisElement + GGLWEInfos,
H: GLWEAutomorphismKeyHelper<K, BE>;
}
@@ -29,21 +36,26 @@ where
+ GLWEShift<BE>
+ GLWEAdd
+ GLWENormalize<BE>
+ GLWECopy,
+ GLWECopy
+ GLWETrace<BE>,
Scratch<BE>: ScratchTakeCore<BE>,
{
/// Packs [x_0: GLWE(m_0), x_1: GLWE(m_1), ..., x_i: GLWE(m_i)]
/// to [0: GLWE(m_0 * X^x_0 + m_1 * X^x_1 + ... + m_i * X^x_i)]
fn glwe_pack<R, K, H>(&self, cts: &mut HashMap<usize, &mut R>, log_gap_out: usize, keys: &H, scratch: &mut Scratch<BE>)
where
R: GLWEToMut + GLWEToRef + GLWEInfos,
fn glwe_pack<R, A, K, H>(
&self,
res: &mut R,
mut a: HashMap<usize, &mut A>,
log_gap_out: usize,
keys: &H,
scratch: &mut Scratch<BE>,
) where
R: GLWEToMut,
A: GLWEToMut + GLWEToRef + GLWEInfos,
K: GGLWEPreparedToRef<BE> + GetGaloisElement + GGLWEInfos,
H: GLWEAutomorphismKeyHelper<K, BE>,
{
#[cfg(debug_assertions)]
{
assert!(*cts.keys().max().unwrap() < self.n())
}
assert!(*a.keys().max().unwrap() < self.n());
let log_n: usize = self.log_n();
@@ -58,18 +70,27 @@ where
};
for j in 0..t {
let mut a: Option<&mut R> = cts.remove(&j);
let mut b: Option<&mut R> = cts.remove(&(j + t));
let mut lo: Option<&mut A> = a.remove(&j);
let mut hi: Option<&mut A> = a.remove(&(j + t));
pack_internal(self, &mut a, &mut b, i, key, scratch);
pack_internal(self, &mut lo, &mut hi, i, key, scratch);
if let Some(a) = a {
cts.insert(j, a);
} else if let Some(b) = b {
cts.insert(j, b);
if let Some(lo) = lo {
a.insert(j, lo);
} else if let Some(hi) = hi {
a.insert(j, hi);
}
}
}
self.glwe_trace(
res,
log_n - log_gap_out,
log_n,
*a.get(&0).unwrap(),
keys,
scratch,
);
}
}