poulpy_core/layouts/
glwe_to_lwe_ksk.rs

1use poulpy_hal::{
2    api::{FillUniform, Reset},
3    layouts::{Data, DataMut, DataRef, MatZnx, ReaderFrom, WriterTo},
4    source::Source,
5};
6
7use crate::layouts::{GGLWESwitchingKey, Infos};
8
9use std::fmt;
10
11/// A special [GLWESwitchingKey] required to for the conversion from [GLWECiphertext] to [LWECiphertext].
12#[derive(PartialEq, Eq, Clone)]
13pub struct GLWEToLWESwitchingKey<D: Data>(pub(crate) GGLWESwitchingKey<D>);
14
15impl<D: DataRef> fmt::Debug for GLWEToLWESwitchingKey<D> {
16    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
17        write!(f, "{}", self)
18    }
19}
20
21impl<D: DataMut> FillUniform for GLWEToLWESwitchingKey<D> {
22    fn fill_uniform(&mut self, source: &mut Source) {
23        self.0.fill_uniform(source);
24    }
25}
26
27impl<D: DataMut> Reset for GLWEToLWESwitchingKey<D> {
28    fn reset(&mut self) {
29        self.0.reset();
30    }
31}
32
33impl<D: DataRef> fmt::Display for GLWEToLWESwitchingKey<D> {
34    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
35        write!(f, "(GLWEToLWESwitchingKey) {}", self.0)
36    }
37}
38
39impl<D: Data> Infos for GLWEToLWESwitchingKey<D> {
40    type Inner = MatZnx<D>;
41
42    fn inner(&self) -> &Self::Inner {
43        self.0.inner()
44    }
45
46    fn basek(&self) -> usize {
47        self.0.basek()
48    }
49
50    fn k(&self) -> usize {
51        self.0.k()
52    }
53}
54
55impl<D: Data> GLWEToLWESwitchingKey<D> {
56    pub fn digits(&self) -> usize {
57        self.0.digits()
58    }
59
60    pub fn rank(&self) -> usize {
61        self.0.rank()
62    }
63
64    pub fn rank_in(&self) -> usize {
65        self.0.rank_in()
66    }
67
68    pub fn rank_out(&self) -> usize {
69        self.0.rank_out()
70    }
71}
72
73impl<D: DataMut> ReaderFrom for GLWEToLWESwitchingKey<D> {
74    fn read_from<R: std::io::Read>(&mut self, reader: &mut R) -> std::io::Result<()> {
75        self.0.read_from(reader)
76    }
77}
78
79impl<D: DataRef> WriterTo for GLWEToLWESwitchingKey<D> {
80    fn write_to<W: std::io::Write>(&self, writer: &mut W) -> std::io::Result<()> {
81        self.0.write_to(writer)
82    }
83}
84
85impl GLWEToLWESwitchingKey<Vec<u8>> {
86    pub fn alloc(n: usize, basek: usize, k: usize, rows: usize, rank_in: usize) -> Self {
87        Self(GGLWESwitchingKey::alloc(n, basek, k, rows, 1, rank_in, 1))
88    }
89}
poulpy_core/layouts/glwe_to_lwe_ksk.rs

poulpy_core/layouts/
glwe_to_lwe_ksk.rs
