1#[macro_use]
 2extern crate bench_utils;
 3
 4#[macro_use]
 5extern crate derivative;
 6
 7pub mod commitment;
 8pub mod crh;
 9pub mod mht;
10pub mod nizk;
11pub mod prf;
12pub mod signature;
13
14pub use self::{
15    commitment::CommitmentScheme,
16    crh::FixedLengthCRH,
17    mht::{HashMembershipProof, MerkleHashTree},
18    nizk::NIZK,
19    prf::PRF,
20    signature::SignatureScheme,
21};
22
23pub type Error  = Box<dyn std::error::Error>;
24
25#[derive(Debug)]
26pub enum CryptoError {
27    IncorrectInputLength(usize),
28    NotPrimeOrder,
29}
30
31impl std::fmt::Display for CryptoError {
32    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
33        let msg = match self {
34            CryptoError::IncorrectInputLength(len) => format!("input length is wrong: {}", len),
35            CryptoError::NotPrimeOrder => "element is not prime order".to_owned(),
36        };
37        write!(f, "{}", msg)
38    }
39}
40
41impl std::error::Error for CryptoError {
42    #[inline]
43    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
44        None
45    }
46}