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@vlucas
vlucas / encryption.ts
Last active March 24, 2025 13:09
Stronger Encryption and Decryption in Node.js
import { createCipheriv, createDecipheriv, randomBytes } from "crypto";
const ENCRYPTION_KEY: string = process.env.ENCRYPTION_KEY || ""; // Must be 256 bits (32 characters)
const IV_LENGTH: number = 16; // For AES, this is always 16
/**
* Will generate valid encryption keys for use
* Not used in the code below, but generate one and store it in ENV for your own purposes
*/
export function keyGen() {
@GuillermoPena
GuillermoPena / nodeJs.crypto.calculatingHash.js
Created February 26, 2014 16:30
NodeJS - CRYPTO : How to calculate a hash from file or string
var crypto = require('crypto')
, fs = require('fs')
// Algorithm depends on availability of OpenSSL on platform
// Another algorithms: 'sha1', 'md5', 'sha256', 'sha512' ...
var algorithm = 'sha1'
, shasum = crypto.createHash(algorithm)
// Updating shasum with file content
var filename = __dirname + "/anything.txt"
@faisalman
faisalman / baseConverter.js
Last active January 11, 2023 14:43
Convert From/To Binary/Decimal/Hexadecimal in JavaScript
/**
* Convert From/To Binary/Decimal/Hexadecimal in JavaScript
* https://gist.github.com/faisalman
*
* Copyright 2012-2015, Faisalman <[email protected]>
* Licensed under The MIT License
* http://www.opensource.org/licenses/mit-license
*/
(function(){