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Tidied up Citrix CTX1 operations and updated CHANGELOG

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n1474335 2018-11-21 12:28:19 +00:00
parent 1653d0212a
commit 79d7a5dd87
5 changed files with 25 additions and 19 deletions
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57
src/core/operations/DecodeCitrixCTX1.mjs
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@ -1,57 +0,0 @@
/**
* @author bwhitn [brian.m.whitney@gmail.com]
* @copyright Crown Copyright 2017
* @license Apache-2.0
*/
import Operation from "../Operation";
import cptable from "../vendor/js-codepage/cptable.js";
/**
* Encode Citrix CTX1 class
*/
class DecodeCitrixCTX1 extends Operation {
/**
* EncodeCitrixCTX1 constructor
*/
constructor() {
super();
this.name = "Citrix CTX1 Decode";
this.module = "Ciphers";
this.description = "Decodes strings in a Citrix CTX1 password format to plaintext.";
this.infoURL = "https://www.reddit.com/r/AskNetsec/comments/1s3r6y/citrix_ctx1_hash_decoding/";
this.inputType = "byteArray";
this.outputType = "string";
this.args = [];
}
/**
* @param {byteArray} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
if (input.length % 4 !== 0) {
return "";
}
const revinput = input.reverse();
const result = [];
let temp = 0;
for (let i = 0; i < revinput.length; i+=2) {
if (i+2 >= revinput.length) {
temp = 0;
} else {
temp = ((revinput[i + 2] - 0x41) & 0xf) ^ (((revinput[i + 3]- 0x41) << 4) & 0xf0);
}
temp = (((revinput[i] - 0x41) & 0xf) ^ (((revinput[i + 1] - 0x41) << 4) & 0xf0)) ^ 0xa5 ^ temp;
result.push(temp);
}
// Decodes a utf-16le string
return cptable.utils.decode(1200, result.reverse());
}
}
export default DecodeCitrixCTX1;