json-proof-token 0.4.1

A library implementation based on the new JOSE Working Group draft specifications: JSON Web Proof (JWP), JSON Proof Token (JPT) and JSON Proof Algorithm (JPA).
Documentation 
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// Copyright 2023 Fondazione LINKS

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::str::FromStr;

use serde::{Deserialize, Serialize};

#[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Copy, Clone)]
pub enum KeyType {
    #[serde(rename = "EC")]
    EllipticCurve,
    #[serde(rename = "RSA")]
    RSA,
    #[serde(rename = "oct")]
    Octet,
    #[serde(rename = "OKP")]
    OctetKeyPair,
}

#[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Copy, Clone)]

pub enum KeyPairSubtype {
    BLS12381G2Sha256,
    BLS12381G2Shake256,
}

impl FromStr for KeyPairSubtype {
    type Err = ();

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s.to_lowercase().as_str() {
            "bls12381sha256" => Ok(KeyPairSubtype::BLS12381G2Sha256),
            "bls12381shake256" => Ok(KeyPairSubtype::BLS12381G2Shake256),
            _ => Err(()),
        }
    }
}