mirror of https://github.com/gchq/CyberChef.git
79 lines
1.9 KiB
JavaScript
79 lines
1.9 KiB
JavaScript
/**
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* @author Matt C [matt@artemisbot.uk]
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* @copyright Crown Copyright 2018
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import { affineEncode } from "../lib/Ciphers";
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/**
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* Affine Cipher Encode operation
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*/
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class AffineCipherEncode extends Operation {
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/**
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* AffineCipherEncode constructor
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*/
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constructor() {
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super();
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this.name = "Affine Cipher Encode";
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this.module = "Ciphers";
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this.description = "The Affine cipher is a type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using simple mathematical function, <code>(ax + b) % 26</code>, and converted back to a letter.";
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this.infoURL = "https://wikipedia.org/wiki/Affine_cipher";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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"name": "a",
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"type": "number",
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"value": 1
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},
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{
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"name": "b",
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"type": "number",
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"value": 0
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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return affineEncode(input, args);
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}
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/**
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* Highlight Affine Cipher Encode
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*
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* @param {Object[]} pos
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* @param {number} pos[].start
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* @param {number} pos[].end
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* @param {Object[]} args
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* @returns {Object[]} pos
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*/
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highlight(pos, args) {
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return pos;
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}
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/**
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* Highlight Affine Cipher Encode in reverse
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*
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* @param {Object[]} pos
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* @param {number} pos[].start
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* @param {number} pos[].end
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* @param {Object[]} args
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* @returns {Object[]} pos
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*/
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highlightReverse(pos, args) {
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return pos;
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}
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}
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export default AffineCipherEncode;
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