Added Snefru hashing operation

package-lock.json

@@ -1755,9 +1755,9 @@
       }
     },
     "crypto-api": {
-      "version": "0.7.4",
-      "resolved": "https://registry.npmjs.org/crypto-api/-/crypto-api-0.7.4.tgz",
-      "integrity": "sha1-wuiM1WOWxJ0A75uA40lGUKdIKoE="
+      "version": "0.7.5",
+      "resolved": "https://registry.npmjs.org/crypto-api/-/crypto-api-0.7.5.tgz",
+      "integrity": "sha1-TCc3K8s85mnSKNV7NZG8YRjFKdU="
     },
     "crypto-browserify": {
       "version": "3.11.1",

package.json

@@ -71,7 +71,7 @@
     "bootstrap": "^3.3.7",
     "bootstrap-colorpicker": "^2.5.1",
     "bootstrap-switch": "^3.3.4",
-    "crypto-api": "^0.7.4",
+    "crypto-api": "^0.7.5",
     "crypto-js": "^3.1.9-1",
     "diff": "^3.3.1",
     "escodegen": "^1.9.0",

src/core/config/Categories.js

@@ -257,6 +257,7 @@ const Categories = [
             "RIPEMD",
             "HAS-160",
             "Whirlpool",
+            "Snefru",
             "HMAC",
             "Fletcher-8 Checksum",
             "Fletcher-16 Checksum",

src/core/config/OperationConfig.js

@@ -3011,6 +3011,24 @@ const OperationConfig = {
             }
         ]
     },
+    "Snefru": {
+        module: "Hashing",
+        description: "Snefru is a cryptographic hash function invented by Ralph Merkle in 1990 while working at Xerox PARC. The function supports 128-bit and 256-bit output. It was named after the Egyptian Pharaoh Sneferu, continuing the tradition of the Khufu and Khafre block ciphers.<br><br>The original design of Snefru was shown to be insecure by Eli Biham and Adi Shamir who were able to use differential cryptanalysis to find hash collisions. The design was then modified by increasing the number of iterations of the main pass of the algorithm from two to eight.",
+        inputType: "string",
+        outputType: "string",
+        args: [
+            {
+                name: "Rounds",
+                type: "option",
+                value: Hash.SNEFRU_ROUNDS
+            },
+            {
+                name: "Size",
+                type: "option",
+                value: Hash.SNEFRU_SIZE
+            }
+        ]
+    },
     "HMAC": {
         module: "Hashing",
         description: "Keyed-Hash Message Authentication Codes (HMAC) are a mechanism for message authentication using cryptographic hash functions.",

src/core/config/modules/Hashing.js

@@ -33,6 +33,7 @@ OpModules.Hashing = {
     "RIPEMD":               Hash.runRIPEMD,
     "HAS-160":              Hash.runHAS,
     "Whirlpool":            Hash.runWhirlpool,
+    "Snefru":               Hash.runSnefru,
     "HMAC":                 Hash.runHMAC,
     "Fletcher-8 Checksum":  Checksum.runFletcher8,
     "Fletcher-16 Checksum": Checksum.runFletcher16,

src/core/operations/Hash.js

@@ -294,6 +294,31 @@ const Hash = {
     },
 
 
+    /**
+     * @constant
+     * @default
+     */
+    SNEFRU_ROUNDS: ["8", "4", "2"],
+    /**
+     * @constant
+     * @default
+     */
+    SNEFRU_SIZE: ["256", "128"],
+
+    /**
+     * Snefru operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runSnefru: function (input, args) {
+        const rounds = args[0],
+            size = args[1];
+        return CryptoApi.hash(`snefru-${rounds}-${size}`, input, {}).stringify("hex");
+    },
+
+
     /**
      * @constant
      * @default

test/tests/operations/Hash.js

@@ -338,6 +338,72 @@ TestRegister.addTests([
             }
         ]
     },
+    {
+        name: "Snefru 2 128",
+        input: "Hello, World!",
+        expectedOutput: "a4ad2b8848580511d0884fb4233a7e7a",
+        recipeConfig: [
+            {
+                "op": "Snefru",
+                "args": ["2", "128"]
+            }
+        ]
+    },
+    {
+        name: "Snefru 4 128",
+        input: "Hello, World!",
+        expectedOutput: "d154eae2c9ffbcd2e1bdaf0b84736126",
+        recipeConfig: [
+            {
+                "op": "Snefru",
+                "args": ["4", "128"]
+            }
+        ]
+    },
+    {
+        name: "Snefru 8 128",
+        input: "Hello, World!",
+        expectedOutput: "6f3d55b69557abb0a3c4e9de9d29ba5d",
+        recipeConfig: [
+            {
+                "op": "Snefru",
+                "args": ["8", "128"]
+            }
+        ]
+    },
+    {
+        name: "Snefru 2 256",
+        input: "Hello, World!",
+        expectedOutput: "65736daba648de28ef4c4a316b4684584ecf9f22ddb5c457729e6bf0f40113c4",
+        recipeConfig: [
+            {
+                "op": "Snefru",
+                "args": ["2", "256"]
+            }
+        ]
+    },
+    {
+        name: "Snefru 4 256",
+        input: "Hello, World!",
+        expectedOutput: "71b0ea4b3e33f2e58bcc67c8a8de060b99ec0107355bbfdc18d8f65f0194ffcc",
+        recipeConfig: [
+            {
+                "op": "Snefru",
+                "args": ["4", "256"]
+            }
+        ]
+    },
+    {
+        name: "Snefru 8 256",
+        input: "Hello, World!",
+        expectedOutput: "255cd401414c79588cf689e8d5ff0536a2cfab83fcae36e654f202b09bc4b8a7",
+        recipeConfig: [
+            {
+                "op": "Snefru",
+                "args": ["8", "256"]
+            }
+        ]
+    },
     {
         name: "HMAC SHA256",
         input: "Hello, World!",