poulpy/rlwe/src/plaintext.rs
rlwe/src/plaintext.rsRaw
1use crate::ciphertext::Ciphertext;
2use crate::elem::{Elem, ElemCommon, ElemVecZnx};
3use crate::parameters::Parameters;
4use base2k::{Module, VecZnx};
5
6pub struct Plaintext(pub Elem<VecZnx>);
7
8impl Parameters {
9 pub fn new_plaintext(&self, log_q: usize) -> Plaintext {
10 Plaintext::new(self.module(), self.log_base2k(), log_q)
11 }
12
13 pub fn bytes_of_plaintext(&self, log_q: usize) -> usize
14where {
15 Elem::<VecZnx>::bytes_of(self.module(), self.log_base2k(), log_q, 1)
16 }
17
18 pub fn plaintext_from_bytes(&self, log_q: usize, bytes: &mut [u8]) -> Plaintext {
19 Plaintext(Elem::<VecZnx>::from_bytes(
20 self.module(),
21 self.log_base2k(),
22 log_q,
23 1,
24 bytes,
25 ))
26 }
27}
28
29impl Plaintext {
30 pub fn new(module: &Module, log_base2k: usize, log_q: usize) -> Self {
31 Self(Elem::<VecZnx>::new(module, log_base2k, log_q, 1))
32 }
33}
34
35impl Plaintext {
36 pub fn bytes_of(module: &Module, log_base2k: usize, log_q: usize) -> usize {
37 Elem::<VecZnx>::bytes_of(module, log_base2k, log_q, 1)
38 }
39
40 pub fn from_bytes(module: &Module, log_base2k: usize, log_q: usize, bytes: &mut [u8]) -> Self {
41 Self(Elem::<VecZnx>::from_bytes(
42 module, log_base2k, log_q, 1, bytes,
43 ))
44 }
45
46 pub fn from_bytes_borrow(
47 module: &Module,
48 log_base2k: usize,
49 log_q: usize,
50 bytes: &mut [u8],
51 ) -> Self {
52 Self(Elem::<VecZnx>::from_bytes_borrow(
53 module, log_base2k, log_q, 1, bytes,
54 ))
55 }
56
57 pub fn as_ciphertext(&self) -> Ciphertext<VecZnx> {
58 unsafe { Ciphertext::<VecZnx>(std::ptr::read(&self.0)) }
59 }
60}
61
62impl ElemCommon<VecZnx> for Plaintext {
63 fn n(&self) -> usize {
64 self.0.n()
65 }
66
67 fn log_n(&self) -> usize {
68 self.elem().log_n()
69 }
70
71 fn log_q(&self) -> usize {
72 self.0.log_q
73 }
74
75 fn elem(&self) -> &Elem<VecZnx> {
76 &self.0
77 }
78
79 fn elem_mut(&mut self) -> &mut Elem<VecZnx> {
80 &mut self.0
81 }
82
83 fn size(&self) -> usize {
84 self.elem().size()
85 }
86
87 fn rows(&self) -> usize {
88 self.0.rows()
89 }
90
91 fn cols(&self) -> usize {
92 self.0.cols()
93 }
94
95 fn at(&self, i: usize) -> &VecZnx {
96 self.0.at(i)
97 }
98
99 fn at_mut(&mut self, i: usize) -> &mut VecZnx {
100 self.0.at_mut(i)
101 }
102
103 fn log_base2k(&self) -> usize {
104 self.0.log_base2k()
105 }
106
107 fn log_scale(&self) -> usize {
108 self.0.log_scale()
109 }
110}