Merge pull request #2023 from xumptex/feature/add-BLAKE3

src/core/operations/BLAKE3.mjs

@@ -0,0 +1,58 @@
+/**
+ * @author xumptex [xumptex@outlook.fr]
+ * @copyright Crown Copyright 2025
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+import { blake3 } from "hash-wasm";
+/**
+ * BLAKE3 operation
+ */
+class BLAKE3 extends Operation {
+
+    /**
+     * BLAKE3 constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "BLAKE3";
+        this.module = "Hashing";
+        this.description = "Hashes the input using BLAKE3 (UTF-8 encoded), with an optional key (also UTF-8), and outputs the result in hexadecimal format.";
+        this.infoURL = "https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE3";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Size (bytes)",
+                "type": "number"
+            }, {
+                "name": "Key",
+                "type": "string",
+                "value": ""
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const key = args[1];
+        const size = args[0];
+        // Check if the user want a key hash or not
+        if (key === "") {
+            return blake3(input, size*8);
+        } if (key.length !== 32) {
+            throw new OperationError("The key must be exactly 32 bytes long");
+        }
+        return blake3(input, size*8, key);
+    }
+
+}
+
+export default BLAKE3;