CyberChef/src/core/operations/Scrypt.mjs

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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import Utils from "../Utils.mjs";
import OperationError from "../errors/OperationError.mjs";
import scryptsy from "scryptsy";
import { isWorkerEnvironment } from "../Utils.mjs";
/**
* Scrypt operation
*/
class Scrypt extends Operation {
/**
* Scrypt constructor
*/
constructor() {
super();
this.name = "Scrypt";
this.module = "Crypto";
this.description = "scrypt is a password-based key derivation function (PBKDF) created by Colin Percival. The algorithm was specifically designed to make it costly to perform large-scale custom hardware attacks by requiring large amounts of memory. In 2016, the scrypt algorithm was published by IETF as RFC 7914.<br><br>Enter the password in the input to generate its hash.";
this.infoURL = "https://wikipedia.org/wiki/Scrypt";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Salt",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "Base64", "UTF8", "Latin1"]
},
{
"name": "Iterations (N)",
"type": "number",
"value": 16384
},
{
"name": "Memory factor (r)",
"type": "number",
"value": 8
},
{
"name": "Parallelization factor (p)",
"type": "number",
"value": 1
},
{
"name": "Key length",
"type": "number",
"value": 64
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const salt = Buffer.from(Utils.convertToByteArray(args[0].string || "", args[0].option)),
iterations = args[1],
memFactor = args[2],
parallelFactor = args[3],
keyLength = args[4];
try {
const data = scryptsy(
input, salt, iterations, memFactor, parallelFactor, keyLength,
p => {
// Progress callback
if (isWorkerEnvironment())
self.sendStatusMessage(`Progress: ${p.percent.toFixed(0)}%`);
}
);
return data.toString("hex");
} catch (err) {
throw new OperationError("Error: " + err.toString());
}
}
}
export default Scrypt;