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webcrypto-jwt

JSON Web Tokens (JWT) verify/sign implementation using W3C Web Cryptography (crypto.subtle).

Browser Support

The following browsers are supported without shims: IE TP, Firefox 35+ and Chrome 37+. Safari is not currently working. For more information about compatiblity check web cryptography browser support.

Install

With npm:

npm install webcrypto-jwt

or with bower:

bower install webcrypto-jwt

and then add the following script tag:

<script src="webcrypto-jwt/index.js"></script>

Usage

JWT verification and decoding:

var jwt = require('webcrypto-jwt');

// token signed using 'secret' as secret
var token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.' +
  'eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.' +
  'TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ';

jwt.verifyJWT(token, 'secret', 'HS256', function (err, isValid) {
  console.log(isValid); // true
});

jwt.verifyJWT(token, 'nosecret', 'HS256', function (err, isValid) {
  console.log(isValid); // false
});

jwt.decodeJWT(token); // '{"sub":"1234567890","name":"John Doe","admin":true}'

jwt.parseJWT(token) // Object {sub: "1234567890", name: "John Doe", admin: true}

JWT signing:

var signJWT = require('webcrypto-jwt').signJWT;

signJWT({foo: 'bar'}, 'secret', 'HS256', function (err, token) {
  // ey...
  console.log(token);
});