Delete Fletcher16Checksum.mjs

src/core/operations/Fletcher16Checksum.mjs

@@ -1,50 +0,0 @@
-/**
- * @author n1474335 [n1474335@gmail.com]
- * @copyright Crown Copyright 2016
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-import Utils from "../Utils.mjs";
-
-/**
- * Fletcher-16 Checksum operation
- */
-class Fletcher16Checksum extends Operation {
-
-    /**
-     * Fletcher16Checksum constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Fletcher-16 Checksum";
-        this.module = "Crypto";
-        this.description = "The Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s.<br><br>The objective of the Fletcher checksum was to provide error-detection properties approaching those of a cyclic redundancy check but with the lower computational effort associated with summation techniques.";
-        this.infoURL = "https://wikipedia.org/wiki/Fletcher%27s_checksum#Fletcher-16";
-        this.inputType = "ArrayBuffer";
-        this.outputType = "string";
-        this.args = [];
-    }
-
-    /**
-     * @param {ArrayBuffer} input
-     * @param {Object[]} args
-     * @returns {string}
-     */
-    run(input, args) {
-        let a = 0,
-            b = 0;
-        input = new Uint8Array(input);
-
-        for (let i = 0; i < input.length; i++) {
-            a = (a + input[i]) % 0xff;
-            b = (b + a) % 0xff;
-        }
-
-        return Utils.hex(((b << 8) | a) >>> 0, 4);
-    }
-
-}
-
-export default Fletcher16Checksum;