ESM: Ported all Hash and Checksum operations

src/core/operations/Scrypt.mjs

@@ -0,0 +1,88 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import Utils from "../Utils";
+import OperationError from "../errors/OperationError";
+import scryptsy from "scryptsy";
+
+/**
+ * Scrypt operation
+ */
+class Scrypt extends Operation {
+
+    /**
+     * Scrypt constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Scrypt";
+        this.module = "Hashing";
+        this.description = "scrypt is a password-based key derivation function (PBKDF) created by Colin Percival. The algorithm was specifically designed to make it costly to perform large-scale custom hardware attacks by requiring large amounts of memory. In 2016, the scrypt algorithm was published by IETF as RFC 7914.<br><br>Enter the password in the input to generate its hash.";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Salt",
+                "type": "toggleString",
+                "value": "",
+                "toggleValues": ["Hex", "Base64", "UTF8", "Latin1"]
+            },
+            {
+                "name": "Iterations (N)",
+                "type": "number",
+                "value": 16384
+            },
+            {
+                "name": "Memory factor (r)",
+                "type": "number",
+                "value": 8
+            },
+            {
+                "name": "Parallelization factor (p)",
+                "type": "number",
+                "value": 1
+            },
+            {
+                "name": "Key length",
+                "type": "number",
+                "value": 64
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const salt = Utils.convertToByteString(args[0].string || "", args[0].option),
+            iterations = args[1],
+            memFactor = args[2],
+            parallelFactor = args[3],
+            keyLength = args[4];
+
+        try {
+            const data = scryptsy(
+                input, salt, iterations, memFactor, parallelFactor, keyLength,
+                p => {
+                    // Progress callback
+                    if (ENVIRONMENT_IS_WORKER())
+                        self.sendStatusMessage(`Progress: ${p.percent.toFixed(0)}%`);
+                }
+            );
+
+            return data.toString("hex");
+        } catch (err) {
+            throw new OperationError("Error: " + err.toString());
+        }
+    }
+
+}
+
+export default Scrypt;