JSFiddle - React, Tailwind, and code Playground

by Vincent Wang

HTML

<SCRIPT SRC="http://eu.static.mega.co.nz/sjcl_1.js"></SCRIPT>
<SCRIPT SRC="http://eu.static.mega.co.nz/crypto_1.js"></SCRIPT>
<SCRIPT SRC="http://eu.static.mega.co.nz/rsa_1.js"></SCRIPT>
<SCRIPT SRC="http://eu.static.mega.co.nz/hex_1.js"></SCRIPT>
<body onload="testcreateHexString();"></body>

JavaScript

function parseHexString(str) { 
    var result = [];
    while (str.length >= 8) { 
        result.push(parseInt(str.substring(0, 8), 16));
		
        str = str.substring(8, str.length);
    }

    return result;
}

function createHexString(arr) {
    var result = "";
    for (var i = 0; i < arr.length; i++) {
        var str = arr[i].toString(16);
		
		z = 8 - str.length + 1;
        str = Array(z).join("0") + str;

        result += str;
    }
	
    return result;
}

function testcreateHexString()
{
    alert('test function createHexString');
    var key = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24];
    var result = createHexString(key);
    alert ('Hex value:' + result);
}