mirror of https://github.com/gchq/CyberChef.git
37 lines
813 B
JavaScript
Executable File
37 lines
813 B
JavaScript
Executable File
import crypto from "crypto";
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/**
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* UUID operations.
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*
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* @namespace
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*/
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const UUID = {
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/**
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* Generate UUID operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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runGenerateV4: function(input, args) {
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const buf = new Uint32Array(4).map(() => {
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return crypto.randomBytes(4).readUInt32BE(0, true);
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});
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let i = 0;
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return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
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let r = (buf[i >> 3] >> ((i % 8) * 4)) & 0xf,
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v = c === "x" ? r : (r & 0x3 | 0x8);
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i++;
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return v.toString(16);
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});
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}
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};
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export default UUID;
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