CyberChef/src/core/operations/BlowfishEncrypt.mjs

92 lines
2.7 KiB
JavaScript
Raw Normal View History

/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import Utils from "../Utils.mjs";
import forge from "node-forge/dist/forge.min.js";
import OperationError from "../errors/OperationError.mjs";
import { Blowfish } from "../lib/Blowfish.mjs";
/**
* Blowfish Encrypt operation
*/
class BlowfishEncrypt extends Operation {
/**
* BlowfishEncrypt constructor
*/
constructor() {
super();
this.name = "Blowfish Encrypt";
this.module = "Ciphers";
this.description = "Blowfish is a symmetric-key block cipher designed in 1993 by Bruce Schneier and included in a large number of cipher suites and encryption products. AES now receives more attention.<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.";
this.infoURL = "https://wikipedia.org/wiki/Blowfish_(cipher)";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Key",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
},
{
"name": "IV",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
},
{
"name": "Mode",
"type": "option",
"value": ["CBC", "CFB", "OFB", "CTR", "ECB"]
},
{
"name": "Input",
"type": "option",
"value": ["Raw", "Hex"]
},
{
"name": "Output",
"type": "option",
"value": ["Hex", "Base64", "Raw"]
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const key = Utils.convertToByteString(args[0].string, args[0].option),
iv = Utils.convertToByteString(args[1].string, args[1].option),
mode = args[2],
inputType = args[3],
outputType = args[4];
2018-05-27 17:13:18 +02:00
if (key.length === 0) throw new OperationError("Enter a key");
input = Utils.convertToByteString(input, inputType);
const cipher = Blowfish.createCipher(key, mode);
cipher.start({iv: iv});
cipher.update(forge.util.createBuffer(input));
cipher.finish();
if (outputType === "Hex") {
return cipher.output.toHex();
} else {
return cipher.output.getBytes();
}
}
}
export default BlowfishEncrypt;