poulpy_core/layouts/
glwe_to_lwe_ksk.rs

1use poulpy_hal::{
2    layouts::{Data, DataMut, DataRef, FillUniform, MatZnx, ReaderFrom, Reset, WriterTo},
3    source::Source,
4};
5
6use crate::layouts::{GGLWESwitchingKey, Infos};
7
8use std::fmt;
9
10/// A special [GLWESwitchingKey] required to for the conversion from [GLWECiphertext] to [LWECiphertext].
11#[derive(PartialEq, Eq, Clone)]
12pub struct GLWEToLWESwitchingKey<D: Data>(pub(crate) GGLWESwitchingKey<D>);
13
14impl<D: DataRef> fmt::Debug for GLWEToLWESwitchingKey<D> {
15    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
16        write!(f, "{}", self)
17    }
18}
19
20impl<D: DataMut> FillUniform for GLWEToLWESwitchingKey<D> {
21    fn fill_uniform(&mut self, log_bound: usize, source: &mut Source) {
22        self.0.fill_uniform(log_bound, source);
23    }
24}
25
26impl<D: DataMut> Reset for GLWEToLWESwitchingKey<D> {
27    fn reset(&mut self) {
28        self.0.reset();
29    }
30}
31
32impl<D: DataRef> fmt::Display for GLWEToLWESwitchingKey<D> {
33    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
34        write!(f, "(GLWEToLWESwitchingKey) {}", self.0)
35    }
36}
37
38impl<D: Data> Infos for GLWEToLWESwitchingKey<D> {
39    type Inner = MatZnx<D>;
40
41    fn inner(&self) -> &Self::Inner {
42        self.0.inner()
43    }
44
45    fn basek(&self) -> usize {
46        self.0.basek()
47    }
48
49    fn k(&self) -> usize {
50        self.0.k()
51    }
52}
53
54impl<D: Data> GLWEToLWESwitchingKey<D> {
55    pub fn digits(&self) -> usize {
56        self.0.digits()
57    }
58
59    pub fn rank(&self) -> usize {
60        self.0.rank()
61    }
62
63    pub fn rank_in(&self) -> usize {
64        self.0.rank_in()
65    }
66
67    pub fn rank_out(&self) -> usize {
68        self.0.rank_out()
69    }
70}
71
72impl<D: DataMut> ReaderFrom for GLWEToLWESwitchingKey<D> {
73    fn read_from<R: std::io::Read>(&mut self, reader: &mut R) -> std::io::Result<()> {
74        self.0.read_from(reader)
75    }
76}
77
78impl<D: DataRef> WriterTo for GLWEToLWESwitchingKey<D> {
79    fn write_to<W: std::io::Write>(&self, writer: &mut W) -> std::io::Result<()> {
80        self.0.write_to(writer)
81    }
82}
83
84impl GLWEToLWESwitchingKey<Vec<u8>> {
85    pub fn alloc(n: usize, basek: usize, k: usize, rows: usize, rank_in: usize) -> Self {
86        Self(GGLWESwitchingKey::alloc(n, basek, k, rows, 1, rank_in, 1))
87    }
88}
poulpy_core/layouts/glwe_to_lwe_ksk.rs

poulpy_core/layouts/
glwe_to_lwe_ksk.rs
