49002e15cf
Co-authored-by: GCHQDeveloper581 <63102987+GCHQDeveloper581@users.noreply.github.com> (added test)
65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
/**
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* @author xumptex [xumptex@outlook.fr]
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* @copyright Crown Copyright 2025
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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import OperationError from "../errors/OperationError.mjs";
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import Utils from "../Utils.mjs";
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import { blake3 } from "@noble/hashes/blake3.js";
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import { bytesToHex } from "@noble/hashes/utils.js";
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/**
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* BLAKE3 operation
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*/
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class BLAKE3 extends Operation {
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/**
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* BLAKE3 constructor
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*/
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constructor() {
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super();
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this.name = "BLAKE3";
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this.module = "Hashing";
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this.description = "Hashes the input using BLAKE3 (UTF-8 encoded), with an optional key (also UTF-8), and outputs the result in hexadecimal format.";
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this.infoURL = "https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE3";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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"name": "Size (bytes)",
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"type": "number"
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}, {
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"name": "Key",
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"type": "string",
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"value": ""
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}
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];
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}
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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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run(input, args) {
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const key = args[1];
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const size = args[0];
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const opts = { dkLen: size };
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const inputBytes = new Uint8Array(Utils.strToArrayBuffer(input));
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if (key !== "") {
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const keyBytes = new Uint8Array(Utils.strToArrayBuffer(key));
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if (keyBytes.length !== 32) {
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throw new OperationError("The key must be exactly 32 bytes long");
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}
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opts.key = keyBytes;
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}
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return bytesToHex(blake3(inputBytes, opts));
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}
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}
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export default BLAKE3;
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