1use backend::hal::layouts::{Data, DataMut, DataRef, VecZnx, VecZnxToMut, VecZnxToRef};
 2
 3use crate::layouts::{GLWECiphertext, GLWECiphertextToMut, GLWECiphertextToRef, Infos, SetMetaData};
 4
 5pub struct GLWEPlaintext<D: Data> {
 6    pub data: VecZnx<D>,
 7    pub basek: usize,
 8    pub k: usize,
 9}
10
11impl<D: Data> Infos for GLWEPlaintext<D> {
12    type Inner = VecZnx<D>;
13
14    fn inner(&self) -> &Self::Inner {
15        &self.data
16    }
17
18    fn basek(&self) -> usize {
19        self.basek
20    }
21
22    fn k(&self) -> usize {
23        self.k
24    }
25}
26
27impl<D: DataMut> SetMetaData for GLWEPlaintext<D> {
28    fn set_k(&mut self, k: usize) {
29        self.k = k
30    }
31
32    fn set_basek(&mut self, basek: usize) {
33        self.basek = basek
34    }
35}
36
37impl GLWEPlaintext<Vec<u8>> {
38    pub fn alloc(n: usize, basek: usize, k: usize) -> Self {
39        Self {
40            data: VecZnx::alloc(n, 1, k.div_ceil(basek)),
41            basek: basek,
42            k,
43        }
44    }
45
46    pub fn byte_of(n: usize, basek: usize, k: usize) -> usize {
47        VecZnx::alloc_bytes(n, 1, k.div_ceil(basek))
48    }
49}
50
51impl<D: DataRef> GLWECiphertextToRef for GLWEPlaintext<D> {
52    fn to_ref(&self) -> GLWECiphertext<&[u8]> {
53        GLWECiphertext {
54            data: self.data.to_ref(),
55            basek: self.basek,
56            k: self.k,
57        }
58    }
59}
60
61impl<D: DataMut> GLWECiphertextToMut for GLWEPlaintext<D> {
62    fn to_mut(&mut self) -> GLWECiphertext<&mut [u8]> {
63        GLWECiphertext {
64            data: self.data.to_mut(),
65            basek: self.basek,
66            k: self.k,
67        }
68    }
69}