mirror of https://github.com/gchq/CyberChef.git
72 lines
2.2 KiB
JavaScript
72 lines
2.2 KiB
JavaScript
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/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2019
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import OperationError from "../errors/OperationError";
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import GostDigest from "../vendor/gost/gostDigest";
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import {toHexFast} from "../lib/Hex";
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/**
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* GOST hash operation
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*/
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class GOSTHash extends Operation {
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/**
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* GOSTHash constructor
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*/
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constructor() {
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super();
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this.name = "GOST hash";
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this.module = "Hashing";
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this.description = "The GOST hash function, defined in the standards GOST R 34.11-94 and GOST 34.311-95 is a 256-bit cryptographic hash function. It was initially defined in the Russian national standard GOST R 34.11-94 <i>Information Technology – Cryptographic Information Security – Hash Function</i>. The equivalent standard used by other member-states of the CIS is GOST 34.311-95.<br><br>This function must not be confused with a different Streebog hash function, which is defined in the new revision of the standard GOST R 34.11-2012.<br><br>The GOST hash function is based on the GOST block cipher.";
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this.infoURL = "https://wikipedia.org/wiki/GOST_(hash_function)";
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this.inputType = "ArrayBuffer";
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this.outputType = "string";
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this.args = [
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{
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"name": "S-Box",
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"type": "option",
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"value": [
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"D-A",
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"D-SC",
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"E-TEST",
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"E-A",
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"E-B",
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"E-C",
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"E-D",
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"E-SC",
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"E-Z",
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"D-TEST"
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]
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}
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];
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}
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/**
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* @param {ArrayBuffer} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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try {
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const sBox = args[1];
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const gostDigest = new GostDigest({
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name: "GOST R 34.11",
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version: 1994,
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sBox: sBox
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});
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return toHexFast(gostDigest.digest(input));
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} catch (err) {
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throw new OperationError(err);
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}
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}
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}
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export default GOSTHash;
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