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Add take_ggsw_prepared_slice

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This commit is contained in:
Pro7ech
2025-10-10 12:52:48 +02:00
parent 8d3fed3ae7
commit c49db0688f
1 changed files with 25 additions and 0 deletions
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25
poulpy-core/src/scratch.rs
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@@ -57,6 +57,12 @@ pub trait TakeGGSWPrepared<B: Backend> {
A: GGSWInfos;
}
pub trait TakeGGSWPreparedSlice<B: Backend> {
fn take_ggsw_prepared_slice<A>(&mut self, size: usize, infos: &A) -> (Vec<GGSWCiphertextPrepared<&mut [u8], B>>, &mut Self)
where
A: GGSWInfos;
}
pub trait TakeGLWESecret {
fn take_glwe_secret(&mut self, n: Degree, rank: Rank) -> (GLWESecret<&mut [u8]>, &mut Self);
}
@@ -286,6 +292,25 @@ where
}
}
impl<B: Backend> TakeGGSWPreparedSlice<B> for Scratch<B>
where
Scratch<B>: TakeGGSWPrepared<B>,
{
fn take_ggsw_prepared_slice<A>(&mut self, size: usize, infos: &A) -> (Vec<GGSWCiphertextPrepared<&mut [u8], B>>, &mut Self)
where
A: GGSWInfos,
{
let mut scratch: &mut Scratch<B> = self;
let mut cts: Vec<GGSWCiphertextPrepared<&mut [u8], B>> = Vec::with_capacity(size);
for _ in 0..size {
let (ct, new_scratch) = scratch.take_ggsw_prepared(infos);
scratch = new_scratch;
cts.push(ct)
}
(cts, scratch)
}
}
impl<B: Backend> TakeGLWEPk for Scratch<B>
where
Scratch<B>: TakeVecZnx,