mirror of https://github.com/gchq/CyberChef.git
91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
/**
|
|
* @author n1474335 [n1474335@gmail.com]
|
|
* @copyright Crown Copyright 2016
|
|
* @license Apache-2.0
|
|
*/
|
|
|
|
import Operation from "../Operation";
|
|
import Utils from "../Utils";
|
|
import OperationError from "../errors/OperationError";
|
|
import scryptsy from "scryptsy";
|
|
import { isWorkerEnvironment } from "../Utils";
|
|
|
|
/**
|
|
* 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;
|