From 3b887b803cfdaa1c15e3d7de1cf3025077108675 Mon Sep 17 00:00:00 2001
From: Joost Rijneveld <joost@joostrijneveld.nl>
Date: Thu, 3 Nov 2022 14:47:40 +0100
Subject: [PATCH] Add ChaCha stream cipher operation

---
 src/core/Utils.mjs                |  63 +++++++++
 src/core/config/Categories.json   |   1 +
 src/core/operations/ChaCha.mjs    | 212 ++++++++++++++++++++++++++++++
 tests/operations/index.mjs        |   1 +
 tests/operations/tests/ChaCha.mjs | 151 +++++++++++++++++++++
 5 files changed, 428 insertions(+)
 create mode 100644 src/core/operations/ChaCha.mjs
 create mode 100644 tests/operations/tests/ChaCha.mjs

diff --git a/src/core/Utils.mjs b/src/core/Utils.mjs
index 31e17d1a9..6580f1391 100755
--- a/src/core/Utils.mjs
+++ b/src/core/Utils.mjs
@@ -381,6 +381,69 @@ class Utils {
         }
     }
 
+    /**
+     * Converts a byte array to an integer.
+     *
+     * @param {byteArray} byteArray
+     * @param {string} byteorder - 'little' or 'big'
+     * @returns {integer}
+     *
+     * @example
+     * // returns 67305985
+     * Utils.byteArrayToInt([ 1, 2, 3, 4], 'little');
+     *
+     * // returns 16909060
+     * Utils.byteArrayToInt([ 1, 2, 3, 4], 'big');
+     */
+    static byteArrayToInt(byteArray, byteorder) {
+        var value = 0;
+        if (byteorder == 'big') {
+            for (var i = 0; i < byteArray.length; i++) {
+                value = (value * 256) + byteArray[i];
+            }
+        }
+        else {
+            for (var i = byteArray.length - 1; i >= 0; i--) {
+                value = (value * 256) + byteArray[i];
+            }
+        }
+        return value;
+    };
+
+    /**
+     * Converts an integer to a byte array of {length} bytes.
+     *
+     * @param {integer} value
+     * @param {integer} length
+     * @param {string} byteorder - 'little' or 'big'
+     * @returns {byteArray}
+     *
+     * @example
+     * // returns [ 5, 255, 109, 1 ]
+     * Utils.intToByteArray(23985925, 4, 'little');
+     *
+     * // returns [ 1, 109, 255, 5 ]
+     * Utils.intToByteArray(23985925, 4, 'big');
+     *
+     * // returns [ 0, 0, 0, 0, 1, 109, 255, 5 ]
+     * Utils.intToByteArray(23985925, 8, 'big');
+     */
+    static intToByteArray(value, length, byteorder) {
+        const arr = new Array(length);
+        if (byteorder == 'little') {
+            for (var i = 0; i < length; i++) {
+                arr[i] = value & 0xFF;
+                value = value >>> 8;
+            }
+        }
+        else {
+            for (var i = length - 1; i >= 0; i--) {
+                arr[i] = value & 0xFF;
+                value = value >>> 8;
+            }
+        }
+        return arr;
+    };
 
     /**
      * Converts a string to an ArrayBuffer.
diff --git a/src/core/config/Categories.json b/src/core/config/Categories.json
index 43d5dc4e1..3a23a9207 100644
--- a/src/core/config/Categories.json
+++ b/src/core/config/Categories.json
@@ -75,6 +75,7 @@
             "AES Decrypt",
             "Blowfish Encrypt",
             "Blowfish Decrypt",
+            "ChaCha",
             "DES Encrypt",
             "DES Decrypt",
             "Triple DES Encrypt",
diff --git a/src/core/operations/ChaCha.mjs b/src/core/operations/ChaCha.mjs
new file mode 100644
index 000000000..e328be0bb
--- /dev/null
+++ b/src/core/operations/ChaCha.mjs
@@ -0,0 +1,212 @@
+/**
+ * @author joostrijneveld [joost@joostrijneveld.nl]
+ * @copyright Crown Copyright 2022
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+import Utils from "../Utils.mjs";
+import { toHex } from "../lib/Hex.mjs";
+
+function chacha(key, nonce, counter, rounds) {
+    const tau = "expand 16-byte k";
+    const sigma = "expand 32-byte k";
+
+    var state, c;
+    if (key.length == 16) {
+        c = Utils.strToByteArray(tau);
+        state = c.concat(key).concat(key);
+    }
+    else {
+        c = Utils.strToByteArray(sigma);
+        state = c.concat(key);
+    }
+    state = state.concat(counter).concat(nonce);
+
+    var x = Array();
+    for (var i = 0; i < 64; i += 4) {
+        x.push(Utils.byteArrayToInt(state.slice(i, i + 4), 'little'))
+    }
+    var a = [...x];
+
+    function ROL32(x, n) {
+        return ((x << n) & 0xFFFFFFFF) | (x >>> (32 - n));
+    }
+
+    function quarterround(x, a, b, c, d) {
+        x[a] = ((x[a] + x[b]) & 0xFFFFFFFF); x[d] = ROL32(x[d] ^ x[a], 16);
+        x[c] = ((x[c] + x[d]) & 0xFFFFFFFF); x[b] = ROL32(x[b] ^ x[c], 12);
+        x[a] = ((x[a] + x[b]) & 0xFFFFFFFF); x[d] = ROL32(x[d] ^ x[a], 8);
+        x[c] = ((x[c] + x[d]) & 0xFFFFFFFF); x[b] = ROL32(x[b] ^ x[c], 7);
+    }
+
+    for (var i = 0; i < rounds / 2; i++)  {
+        quarterround(x, 0, 4,  8, 12)
+        quarterround(x, 1, 5,  9, 13)
+        quarterround(x, 2, 6, 10, 14)
+        quarterround(x, 3, 7, 11, 15)
+        quarterround(x, 0, 5, 10, 15)
+        quarterround(x, 1, 6, 11, 12)
+        quarterround(x, 2, 7,  8, 13)
+        quarterround(x, 3, 4,  9, 14)
+    }
+
+    for (var i = 0; i < 16; i++) {
+        x[i] = (x[i] + a[i]) & 0xFFFFFFFF
+    }
+
+    var output = Array();
+    for (var i = 0; i < 16; i++) {
+        output = output.concat(Utils.intToByteArray(x[i], 4, 'little'));
+    }
+    return output;
+}
+
+/**
+ * ChaCha operation
+ */
+class ChaCha extends Operation {
+
+    /**
+     * ChaCha constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "ChaCha";
+        this.module = "Default";
+        this.description = "ChaCha is a stream cipher designed by Daniel J. Bernstein. It is a variant of the Salsa stream cipher. Several parameterizations exist; 'ChaCha' may refer to the original construction, or to the variant as described in RFC-8439. ChaCha is often used with Poly1305, in the ChaCha20-Poly1305 AEAD construction.<br><br><b>Key:</b> ChaCha uses a key of 16 or 32 bytes (128 or 256 bits).<br><br><b>Nonce:</b> ChaCha uses a nonce of 8 or 12 bytes (64 or 96 bits).<br><br><b>Counter:</b> ChaCha uses a counter of 4 or 8 bytes (32 or 64 bits); together, the nonce and counter must add up to 16 bytes. The counter starts at zero at the start of the keystream, and is incremented at every 64 bytes.";
+        this.infoURL = "https://wikipedia.org/wiki/Salsa20#ChaCha_variant";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Key",
+                "type": "toggleString",
+                "value": "",
+                "toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
+            },
+            {
+                "name": "Nonce",
+                "type": "toggleString",
+                "value": "",
+                "toggleValues": ["Hex", "UTF8", "Latin1", "Base64", "Integer"]
+            },
+            {
+                "name": "Counter",
+                "type": "number",
+                "value": 0,
+                "min": 0
+            },
+            {
+                "name": "Rounds",
+                "type": "option",
+                "value": ['20', '12', '8']
+            },
+            {
+                "name": "Input",
+                "type": "option",
+                "value": ["Hex", "Raw"]
+            },
+            {
+                "name": "Output",
+                "type": "option",
+                "value": ["Raw", "Hex"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const key = Utils.convertToByteArray(args[0].string, args[0].option),
+            nonceType = args[1].option,
+            counterType = args[2].option,
+            rounds = parseInt(args[3]),
+            inputType = args[4],
+            outputType = args[5];
+
+        if (key.length !== 16 && key.length !== 32) {
+            throw new OperationError(`Invalid key length: ${key.length} bytes.
+
+ChaCha uses a key of 16 or 32 bytes (128 or 256 bits).`);
+        }
+        var counter, nonce;
+        var counterLength;
+        if (nonceType !== 'Integer') {
+            nonce = Utils.convertToByteArray(args[1].string, args[1].option)
+            if (!(nonce.length == 12 || nonce.length == 8)) {
+                throw new OperationError(`Invalid nonce length: ${nonce.length} bytes.
+
+ChaCha uses a nonce of 8 or 12 bytes (64 or 96 bits).`);
+            }
+            counterLength = 16 - nonce.length;
+            counter = Utils.intToByteArray(args[2], counterLength, 'little');
+        }
+        if (nonceType === 'Integer') {
+            nonce = Utils.intToByteArray(parseInt(args[1].string), 12, 'little')
+            counter = Utils.intToByteArray(args[2], 4, 'little');
+        }
+        var output = new Array();
+
+        input = Utils.convertToByteArray(input, inputType);
+
+        var counterAsInt = Utils.byteArrayToInt(counter, 'little');
+        for (var i = 0; i < input.length; i += 64) {
+            counter = Utils.intToByteArray(counterAsInt, counterLength, 'little');
+            var stream = chacha(key, nonce, counter, rounds);
+            for (var j = 0; j < 64 && i + j < input.length; j++) {
+                output.push(input[i + j] ^ stream[j]);
+            }
+            counterAsInt++;
+        }
+
+        if (outputType === "Hex") {
+            return toHex(output);
+        }
+        else {
+            return Utils.arrayBufferToStr(output);
+        }
+    }
+
+    /**
+     * Highlight ChaCha
+     *
+     * @param {Object[]} pos
+     * @param {number} pos[].start
+     * @param {number} pos[].end
+     * @param {Object[]} args
+     * @returns {Object[]} pos
+     */
+    highlight(pos, args) {
+        const inputType = args[4],
+            outputType = args[5];
+        if (inputType == 'Raw' && outputType == 'Raw') {
+            return pos;
+        }
+    }
+
+    /**
+     * Highlight ChaCha in reverse
+     *
+     * @param {Object[]} pos
+     * @param {number} pos[].start
+     * @param {number} pos[].end
+     * @param {Object[]} args
+     * @returns {Object[]} pos
+     */
+    highlightReverse(pos, args) {
+        const inputType = args[4],
+            outputType = args[5];
+        if (inputType == 'Raw' && outputType == 'Raw') {
+            return pos;
+        }
+    }
+
+}
+
+export default ChaCha;
diff --git a/tests/operations/index.mjs b/tests/operations/index.mjs
index 19e709709..43fbfd82d 100644
--- a/tests/operations/index.mjs
+++ b/tests/operations/index.mjs
@@ -30,6 +30,7 @@ import "./tests/ByteRepr.mjs";
 import "./tests/CartesianProduct.mjs";
 import "./tests/CetaceanCipherEncode.mjs";
 import "./tests/CetaceanCipherDecode.mjs";
+import "./tests/ChaCha.mjs";
 import "./tests/CharEnc.mjs";
 import "./tests/ChangeIPFormat.mjs";
 import "./tests/Charts.mjs";
diff --git a/tests/operations/tests/ChaCha.mjs b/tests/operations/tests/ChaCha.mjs
new file mode 100644
index 000000000..eb8e0d52f
--- /dev/null
+++ b/tests/operations/tests/ChaCha.mjs
@@ -0,0 +1,151 @@
+/**
+ * ChaCha tests.
+ *
+ * @author joostrijneveld [joost@joostrijneveld.nl]
+ * @copyright Crown Copyright 2022
+ * @license Apache-2.0
+ */
+
+import TestRegister from "../../lib/TestRegister.mjs";
+
+TestRegister.addTests([
+    {
+        name: "ChaCha: no key",
+        input: "",
+        expectedOutput: `Invalid key length: 0 bytes.
+
+ChaCha uses a key of 16 or 32 bytes (128 or 256 bits).`,
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": ""},
+                    {"option": "Hex", "string": ""},
+                    0, '20', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: no nonce",
+        input: "",
+        expectedOutput: `Invalid nonce length: 0 bytes.
+
+ChaCha uses a nonce of 8 or 12 bytes (64 or 96 bits).`,
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00000000000000000000000000000000"},
+                    {"option": "Hex", "string": ""},
+                    0, '20', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: RFC8439",
+        input: "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.",
+        expectedOutput: "6e 2e 35 9a 25 68 f9 80 41 ba 07 28 dd 0d 69 81 e9 7e 7a ec 1d 43 60 c2 0a 27 af cc fd 9f ae 0b f9 1b 65 c5 52 47 33 ab 8f 59 3d ab cd 62 b3 57 16 39 d6 24 e6 51 52 ab 8f 53 0c 35 9f 08 61 d8 07 ca 0d bf 50 0d 6a 61 56 a3 8e 08 8a 22 b6 5e 52 bc 51 4d 16 cc f8 06 81 8c e9 1a b7 79 37 36 5a f9 0b bf 74 a3 5b e6 b4 0b 8e ed f2 78 5e 42 87 4d",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00:01:02:03:04:05:06:07:08:09:0a:0b:0c:0d:0e:0f:10:11:12:13:14:15:16:17:18:19:1a:1b:1c:1d:1e:1f"},
+                    {"option": "Hex", "string": "00:00:00:00:00:00:00:4a:00:00:00:00"},
+                    1, '20', "Raw", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.1",
+        input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",
+        expectedOutput: "29 56 0d 28 0b 45 28 40 0a 8f 4b 79 53 69 fb 3a 01 10 55 99 e9 f1 ed 58 27 9c fc 9e ce 2d c5 f9 9f 1c 2e 52 c9 82 38 f5 42 a5 c0 a8 81 d8 50 b6 15 d3 ac d9 fb db 02 6e 93 68 56 5d a5 0e 0d 49 dd 5b e8 ef 74 24 8b 3e 25 1d 96 5d 8f cb 21 e7 cf e2 04 d4 00 78 06 fb ee 3c e9 4c 74 bf ba d2 c1 1c 62 1b a0 48 14 7c 5c aa 94 d1 82 cc ff 6f d5 cf 44 ad f9 6e 3d 68 28 1b b4 96 76 af 87 e7",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"},
+                    {"option": "Hex", "string": "0f 1e 2d 3c 4b 5a 69 78"},
+                    0, '8', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.2",
+        input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",
+        expectedOutput: "5e dd c2 d9 42 8f ce ee c5 0a 52 a9 64 ea e0 ff b0 4b 2d e0 06 a9 b0 4c ff 36 8f fa 92 11 16 b2 e8 e2 64 ba bd 2e fa 0d e4 3e f2 e3 b6 d0 65 e8 f7 c0 a1 78 37 b0 a4 0e b0 e2 c7 a3 74 2c 87 53 ed e5 f3 f6 d1 9b e5 54 67 5e 50 6a 77 5c 63 f0 94 d4 96 5c 31 93 19 dc d7 50 6f 45 7b 11 7b 84 b1 0b 24 6e 95 6c 2d a8 89 8a 65 6c ee f3 f7 b7 16 45 b1 9f 70 1d b8 44 85 ce 51 21 f0 f6 17 ef",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"},
+                    {"option": "Hex", "string": "0f 1e 2d 3c 4b 5a 69 78"},
+                    0, '12', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.3",
+        input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",
+        expectedOutput: "d1 ab f6 30 46 7e b4 f6 7f 1c fb 47 cd 62 6a ae 8a fe db be 4f f8 fc 5f e9 cf ae 30 7e 74 ed 45 1f 14 04 42 5a d2 b5 45 69 d5 f1 81 48 93 99 71 ab b8 fa fc 88 ce 4a c7 fe 1c 3d 1f 7a 1e b7 ca e7 6c a8 7b 61 a9 71 35 41 49 77 60 dd 9a e0 59 35 0c ad 0d ce df aa 80 a8 83 11 9a 1a 6f 98 7f d1 ce 91 fd 8e e0 82 80 34 b4 11 20 0a 97 45 a2 85 55 44 75 d1 2a fc 04 88 7f ef 35 16 d1 2a 2c",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"},
+                    {"option": "Hex", "string": "0f 1e 2d 3c 4b 5a 69 78"},
+                    0, '20', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.4",
+        input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",
+        expectedOutput: "db 43 ad 9d 1e 84 2d 12 72 e4 53 0e 27 6b 3f 56 8f 88 59 b3 f7 cf 6d 9d 2c 74 fa 53 80 8c b5 15 7a 8e bf 46 ad 3d cc 4b 6c 7d ad de 13 17 84 b0 12 0e 0e 22 f6 d5 f9 ff a7 40 7d 4a 21 b6 95 d9 c5 dd 30 bf 55 61 2f ab 9b dd 11 89 20 c1 98 16 47 0c 7f 5d cd 42 32 5d bb ed 8c 57 a5 62 81 c1 44 cb 0f 03 e8 1b 30 04 62 4e 06 50 a1 ce 5a fa f9 a7 cd 81 63 f6 db d7 26 02 25 7d d9 6e 47 1e",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff ff ee dd cc bb aa 99 88 77 66 55 44 33 22 11 00"},
+                    {"option": "Hex", "string": "0f 1e 2d 3c 4b 5a 69 78"},
+                    0, '8', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.5",
+        input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",
+        expectedOutput: "7e d1 2a 3a 63 91 2a e9 41 ba 6d 4c 0d 5e 86 2e 56 8b 0e 55 89 34 69 35 50 5f 06 4b 8c 26 98 db f7 d8 50 66 7d 8e 67 be 63 9f 3b 4f 6a 16 f9 2e 65 ea 80 f6 c7 42 94 45 da 1f c2 c1 b9 36 50 40 e3 2e 50 c4 10 6f 3b 3d a1 ce 7c cb 1e 71 40 b1 53 49 3c 0f 3a d9 a9 bc ff 07 7e c4 59 6f 1d 0f 29 bf 9c ba a5 02 82 0f 73 2a f5 a9 3c 49 ee e3 3d 1c 4f 12 af 3b 42 97 af 91 fe 41 ea 9e 94 a2",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff ff ee dd cc bb aa 99 88 77 66 55 44 33 22 11 00"},
+                    {"option": "Hex", "string": "0f 1e 2d 3c 4b 5a 69 78"},
+                    0, '12', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+    {
+        name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.6",
+        input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",
+        expectedOutput: "9f ad f4 09 c0 08 11 d0 04 31 d6 7e fb d8 8f ba 59 21 8d 5d 67 08 b1 d6 85 86 3f ab bb 0e 96 1e ea 48 0f d6 fb 53 2b fd 49 4b 21 51 01 50 57 42 3a b6 0a 63 fe 4f 55 f7 a2 12 e2 16 7c ca b9 31 fb fd 29 cf 7b c1 d2 79 ed df 25 dd 31 6b b8 84 3d 6e de e0 bd 1e f1 21 d1 2f a1 7c bc 2c 57 4c cc ab 5e 27 51 67 b0 8b d6 86 f8 a0 9d f8 7e c3 ff b3 53 61 b9 4e bf a1 3f ec 0e 48 89 d1 8d a5",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff ff ee dd cc bb aa 99 88 77 66 55 44 33 22 11 00"},
+                    {"option": "Hex", "string": "0f 1e 2d 3c 4b 5a 69 78"},
+                    0, '20', "Hex", "Hex",
+                ]
+            }
+        ],
+    },
+]);