Merge branch 'caesarBoxCipher' of https://github.com/n1073645/CyberChef

src/core/config/Categories.json

@@ -97,6 +97,7 @@
             "Bacon Cipher Decode",
             "Bifid Cipher Encode",
             "Bifid Cipher Decode",
+            "Caesar Box Cipher",
             "Affine Cipher Encode",
             "Affine Cipher Decode",
             "A1Z26 Cipher Encode",

src/core/operations/CaesarBoxCipher.mjs

@@ -0,0 +1,61 @@
+/**
+ * @author n1073645 [n1073645@gmail.com]
+ * @copyright Crown Copyright 2020
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+
+/**
+ * Caesar Box Cipher operation
+ */
+class CaesarBoxCipher extends Operation {
+
+    /**
+     * CaesarBoxCipher constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Caesar Box Cipher";
+        this.module = "Ciphers";
+        this.description = "Caesar Box Encryption uses a box, a rectangle (or a square), or at least a size W caracterizing its width.";
+        this.infoURL = "https://www.dcode.fr/caesar-box-cipher";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                name: "Box Height",
+                type: "number",
+                value: 1
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const tableHeight = args[0];
+        const tableWidth = Math.ceil(input.length / tableHeight);
+        while (input.indexOf(" ") !== -1)
+            input = input.replace(" ", "");
+        for (let i = 0; i < (tableHeight * tableWidth) - input.length; i++) {
+            input += "\x00";
+        }
+        let result = "";
+        for (let i = 0; i < tableHeight; i++) {
+            for (let j = i; j < input.length; j += tableHeight) {
+                if (input.charAt(j) !== "\x00") {
+                    result += input.charAt(j);
+                }
+            }
+        }
+        return result;
+    }
+
+}
+
+export default CaesarBoxCipher;

tests/operations/index.mjs

@@ -116,6 +116,7 @@ import "./tests/GetAllCasings.mjs";
 import "./tests/SIGABA.mjs";
 import "./tests/ELFInfo.mjs";
 import "./tests/Subsection.mjs";
+import "./tests/CaesarBoxCipher.mjs";
 
 
 // Cannot test operations that use the File type yet

tests/operations/tests/CaesarBoxCipher.mjs

@@ -0,0 +1,45 @@
+/**
+ * Base58 tests.
+ *
+ * @author n1073645 [n1073645@gmail.com]
+ *
+ * @copyright Crown Copyright 2020
+ * @license Apache-2.0
+ */
+import TestRegister from "../../lib/TestRegister.mjs";
+
+TestRegister.addTests([
+    {
+        name: "Caesar Box Cipher: nothing",
+        input: "",
+        expectedOutput: "",
+        recipeConfig: [
+            {
+                op: "Caesar Box Cipher",
+                args: ["1"],
+            },
+        ],
+    },
+    {
+        name: "Caesar Box Cipher: Hello World!",
+        input: "Hello World!",
+        expectedOutput: "Hlodeor!lWl",
+        recipeConfig: [
+            {
+                op: "Caesar Box Cipher",
+                args: ["3"],
+            },
+        ],
+    },
+    {
+        name: "Caesar Box Cipher: Hello World!",
+        input: "Hlodeor!lWl",
+        expectedOutput: "HelloWorld!",
+        recipeConfig: [
+            {
+                op: "Caesar Box Cipher",
+                args: ["4"],
+            },
+        ],
+    }
+]);