paillier_zk/
lib.rs

1#![doc = include_str!("../README.md")]
2#![deny(clippy::disallowed_methods)]
3#![cfg_attr(
4    not(test),
5    deny(clippy::panic, clippy::unwrap_used, clippy::expect_used)
6)]
7
8use thiserror::Error;
9
10mod common;
11pub mod dlog_with_el_gamal_commitment;
12pub mod multiexp;
13pub mod no_small_factor;
14pub mod paillier_affine_operation_in_range;
15pub mod paillier_blum_modulus;
16pub mod paillier_encryption_in_range;
17pub mod paillier_encryption_in_range_with_el_gamal;
18
19#[cfg(test)]
20mod curve;
21
22#[cfg(all(doctest, not(feature = "__internal_doctest")))]
23compile_error!("doctest require that `__internal_doctest` feature is turned on");
24
25#[cfg(feature = "__internal_doctest")]
26#[doc(hidden)]
27pub mod _doctest;
28
29use common::InvalidProofReason;
30pub use common::{BadExponent, IntegerExt, InvalidProof, PaillierError};
31pub use fast_paillier::{self, backend};
32
33/// Library general error type
34#[derive(Debug, Error)]
35#[error(transparent)]
36pub struct Error(#[from] ErrorReason);
37
38#[derive(Debug, Error)]
39enum ErrorReason {
40    #[error("couldn't evaluate modpow")]
41    ModPow(
42        #[source]
43        #[from]
44        BadExponent,
45    ),
46    #[error("couldn't find residue")]
47    FindResidue,
48    #[error("couldn't encrypt a message")]
49    Encryption,
50    #[error("can't find multiplicative inverse")]
51    Invert,
52    #[error("paillier error")]
53    Paillier(#[source] fast_paillier::Error),
54    #[error("bug: vec has unexpected length")]
55    Length,
56}
57
58impl From<BadExponent> for Error {
59    fn from(err: BadExponent) -> Self {
60        Error(ErrorReason::ModPow(err))
61    }
62}
63
64impl From<PaillierError> for Error {
65    fn from(_err: PaillierError) -> Self {
66        Error(ErrorReason::Encryption)
67    }
68}
69
70impl From<fast_paillier::Error> for Error {
71    fn from(err: fast_paillier::Error) -> Self {
72        Self(ErrorReason::Paillier(err))
73    }
74}
paillier_zk/lib.rs

paillier_zk/
lib.rs
