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jwt.js
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jwt.js
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'use strict';
// https://github.com/Brightspace/node-ecdsa-sig-formatter/blob/master/src/ecdsa-sig-formatter.js
require('./index');
var REPLACE = { '=': '', '-': '+', '_': '/', '/': '_', '+': '-' };
function replace(t) {
return REPLACE[t] || t;
}
function tobase64(buf) {
return buf.toString('base64').replace(/\/|\+/g, replace).replace(/=+$/g, '');
}
function frombase64(buf) {
return buf.replace(/-|_/, replace);
}
function sign_HM256(data, secret) {
return tobase64(F.Crypto.createHmac('sha256', secret, { encoding: 'utf8' }).update(Buffer.from(data, 'utf8')).digest());
}
function sign_ES256(data, secret) {
//return tobase64(F.Crypto.createSign('sha256')('sha256', secret, { encoding: 'utf8' }).update(Buffer.from(data, 'utf8')).digest());
}
function encrypt(val, secret, type) {
var base64 = Buffer.from(JSON.stringify(val).replace(/\n/g, '\r\n'), 'utf8').toString('base64').replace(/=+$/, '');
var data = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.' + base64;
// {"alg": "HS256","typ": "JWT"}
switch (type) {
case 'HM256':
default:
return data + '.' + tobase64(sign_HM256(data, secret));
}
}
function sign(val, secret, type) {
var base64 = Buffer.from(JSON.stringify(val).replace(/\n/g, '\r\n'), 'utf8').toString('base64').replace(/=+$/, '');
var data = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.' + base64;
// {"alg": "HS256","typ": "JWT"}
switch (type) {
case 'ES256':
return data + '.' + tobase64(sign_ES256(data, secret));
case 'HM256':
default:
return data + '.' + tobase64(sign_HM256(data, secret));
}
}
var crypto = F.Crypto.generateKeyPairSync('ec', { namedCurve: 'sect239k1' });
console.log(F.Crypto.Certificate(crypto.publicKey));
var sign = F.Crypto.createSign('SHA256');
sign.write('Peter');
sign.end();
// console.log(sign.sign(privateKey, 'base64'));
// console.log(encrypt({ name: 'Peter' }, Buffer.from('12345678', 'ascii')));