jsonwebtoken-rustcrypto 1.2.0

Create and decode JWTs in a strongly typed way, using crypto primatives from the RustCrypto proejct.
Documentation 
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use jsonwebtoken_rustcrypto::errors::ErrorKind;
use jsonwebtoken_rustcrypto::{decode, encode, DecodingKey, EncodingKey, Header, Validation};
use serde::{Deserialize, Serialize};

#[derive(Debug, Serialize, Deserialize)]
struct Claims {
    sub: String,
    company: String,
    exp: usize,
}

fn main() {
    let key = b"secret";
    let my_claims =
        Claims { sub: "b@b.com".to_owned(), company: "ACME".to_owned(), exp: 10000000000 };
    let token = match encode(&Header::default(), &my_claims, &EncodingKey::from_hmac_secret(key)) {
        Ok(t) => t,
        Err(_) => panic!(), // in practice you would return the error
    };

    let validation = Validation { sub: Some("b@b.com".to_string()), ..Validation::default() };
    let token_data =
        match decode::<Claims>(&token, &DecodingKey::from_hmac_secret(key), &validation) {
            Ok(c) => c,
            Err(err) => match *err.kind() {
                ErrorKind::InvalidToken => panic!("Token is invalid"), // Example on how to handle a specific error
                ErrorKind::InvalidIssuer => panic!("Issuer is invalid"), // Example on how to handle a specific error
                _ => panic!("Some other errors"),
            },
        };
    println!("{:?}", token_data.claims);
    println!("{:?}", token_data.header);
}