Un token JWT est crypté avec un algorithme unidirectionnel. code example

Example 1: jwt

let jwt = require('jsonwebtoken');

const SUPER_SECRET_TOKEN = "My_Secret_Token";

server.post('/',(req,res)=>{
    res.setHeader('Content-Type', 'application/json');
    var token = jwt.sign({message: "Hello"}, SUPER_SECRET_TOKEN, { expiresIn: '5m' , noTimestamp: true });
    var result = jwt.verify(token, SUPER_SECRET_TOKEN);
    res.end(JSON.stringify({error: false, data: result}));
});

Example 2: jwt

HMACSHA256(
  base64UrlEncode(header) + "." +
  base64UrlEncode(payload),
  
) secret base64 encoded

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Csharp Example

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