CyberChef/src/core/operations/Keccak.mjs

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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import JSSHA3 from "js-sha3";
import OperationError from "../errors/OperationError.mjs";
/**
* Keccak operation
*/
class Keccak extends Operation {
/**
* Keccak constructor
*/
constructor() {
super();
this.name = "Keccak";
this.module = "Crypto";
this.description = "The Keccak hash algorithm was designed by Guido Bertoni, Joan Daemen, Micha\xebl Peeters, and Gilles Van Assche, building upon RadioGat\xfan. It was selected as the winner of the SHA-3 design competition.<br><br>This version of the algorithm is Keccak[c=2d] and differs from the SHA-3 specification.";
this.infoURL = "https://wikipedia.org/wiki/SHA-3";
this.inputType = "ArrayBuffer";
this.outputType = "string";
this.args = [
{
"name": "Size",
"type": "option",
"value": ["512", "384", "256", "224"]
}
];
}
/**
* @param {ArrayBuffer} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const size = parseInt(args[0], 10);
let algo;
switch (size) {
case 224:
algo = JSSHA3.keccak224;
break;
case 384:
algo = JSSHA3.keccak384;
break;
case 256:
algo = JSSHA3.keccak256;
break;
case 512:
algo = JSSHA3.keccak512;
break;
default:
throw new OperationError("Invalid size");
}
return algo(input);
}
}
export default Keccak;