Merge branch 'feature/streebog-hash' of https://github.com/MShwed/CyberChef into MShwed-feature/streebog-hash

src/core/operations/Streebog.mjs

@@ -0,0 +1,95 @@
+/**
+ * @author mshwed [m@ttshwed.com]
+ * @copyright Crown Copyright 2019
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import OperationError from "../errors/OperationError";
+import GostCoding from "../vendor/streebog/gostCoding";
+import GostDigest from "../vendor/streebog/gostDigest";
+
+/**
+ * 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 = [
+            {
+                "name": "Version",
+                "type": "option",
+                "value": ["2012", "1994"]
+            },
+            // Paramset sBox for GOST 28147-89. Used only if version = 1994
+            {
+                "name": "S-Box",
+                "type": "option",
+                "value": [
+                    "D-A",
+                    "D-SC",
+                    "E-TEST",
+                    "E-A",
+                    "E-B",
+                    "E-C",
+                    "E-D",
+                    "E-SC",
+                    "E-Z",
+                    "D-TEST"
+                ]
+            },
+            // 512 bits digest, valid only for algorithm "Streebog"
+            {
+                "name": "Length",
+                "type": "option",
+                "value": ["256", "512"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        try {
+            const version = parseInt(args[0], 10);
+            let sBox = args[1];
+            let length = parseInt(args[2], 10);
+
+            // 1994 old-style 256 bits digest based on GOST 28147-89
+            if (version === 1994) {
+                length = 256;
+            }
+
+            if (version === 2012) {
+                sBox = "";
+            }
+
+            const gostDigest = new GostDigest({name: "GOST R 34.11", version, sBox, length });
+            const gostCoding = new GostCoding();
+
+            const decode = gostCoding.Chars.decode(input);
+            const hexEncode = gostCoding.Hex.encode(gostDigest.digest(decode));
+
+            return hexEncode.replace(/[^\-A-Fa-f0-9]/g, "").toLowerCase();
+        } catch (err) {
+            throw new OperationError(`Invalid Input, Details ${err.message}`);
+        }
+    }
+
+}
+
+export default Streebog;