Added initial hashing for Streebog GOST R 34.11-94

src/core/operations/Streebog.mjs

@@ -0,0 +1,54 @@
+/**
+ * @author mshwed [m@ttshwed.com]
+ * @copyright Crown Copyright 2019
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import OperationError from "../errors/OperationError";
+import * as GostDigest from "../vendor/streebog/gostDigest";
+import * as GostCoding from "../vendor/streebog/gostCoding";
+
+/**
+ * Streebog operation
+ */
+class Streebog extends Operation {
+
+    /**
+     * Streebog constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Streebog";
+        this.module = "Crypto";
+        this.description = "Streebog is a cryptographic hash function defined in the Russian national standard GOST R 34.11-2012 Information Technology \u2013 Cryptographic Information Security \u2013 Hash Function. It was created to replace an obsolete GOST hash function defined in the old standard GOST R 34.11-94, and as an asymmetric reply to SHA-3 competition by the US National Institute of Standards and Technology.";
+        this.infoURL = "https://en.wikipedia.org/wiki/Streebog";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        try {
+            const gostDigest = new GostDigest({name: 'GOST R 34.11', version: 1994});
+            const gostCoding = new GostCoding();
+
+            const decode = gostCoding.Chars.decode(input, 'utf8');
+            let hexEncode = gostCoding.Hex.encode(gostDigest.digest(decode))
+            
+            return hexEncode.replace(/[^\-A-Fa-f0-9]/g, '').toLowerCase();; 
+        } catch (err) {
+            console.log(err)
+            throw new OperationError("Test");
+        }
+    }
+
+}
+
+export default Streebog;