one_time_signatures_cry4/
lib.rs

1use sha2::Digest;
2use std::any::Any;
3
4pub mod lamport;
5pub mod winternitz;
6
7pub use lamport::{LamportPublicKey, LamportSecretKey};
8pub use winternitz::{WinternitzSecretKey, WinternitzPublicKey};
9
10#[derive(Copy, Clone)]
11pub enum OneTimeScheme {
12    Lamport,
13    Winternitz(usize),
14}
15
16pub trait OneTimeSignature: OneTimeSignatureToAny {}
17
18pub trait OneTimeSignatureToAny: 'static {
19    fn as_any(&self) -> &dyn Any;
20}
21
22impl<T: 'static> OneTimeSignatureToAny for T {
23    fn as_any(&self) -> &dyn Any {
24        self
25    }
26}
27
28pub trait OneTimeSecretKey<D> {
29    fn sign(&mut self, m: &[u8]) -> Result<Box<dyn OneTimeSignature>, String>;
30    fn sign_arbitrary(&mut self, m: &[u8]) -> Result<Box<dyn OneTimeSignature>, String>;
31}
32pub trait OneTimePublicKey<D> : OneTimePublicKeyClone<D>  {
33    fn verify(&self, m: &[u8], sig: &Box<dyn OneTimeSignature>) -> Result<(), String>;
34    fn verify_arbitrary(&self, m: &[u8], sig: &Box<dyn OneTimeSignature>) -> Result<(), String>;
35    fn to_bytes(&self) -> Vec<u8>;
36}
37
38pub trait OneTimePublicKeyClone<D> {
39    fn clone_box(&self) -> Box<dyn OneTimePublicKey<D>>;
40}
41
42impl<D, T> OneTimePublicKeyClone<D> for T 
43where
44    D: Digest,
45    T: 'static + OneTimePublicKey<D> + Clone,
46{
47    fn clone_box(&self) -> Box<dyn OneTimePublicKey<D>> {
48        Box::new(self.clone())
49    }
50}
51
52impl<D: Digest> Clone for Box<dyn OneTimePublicKey<D>> {
53    fn clone(&self) -> Box<dyn OneTimePublicKey<D>> {
54        self.clone_box()
55    }
56}
one_time_signatures_cry4/lib.rs

one_time_signatures_cry4/
lib.rs
