Created
April 2, 2019 15:34
-
-
Save valerysntx/6573a936fa04954cce23d0396099854a to your computer and use it in GitHub Desktop.
hikvision-password-reset-tool
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function padLeft(str, l, c) { str = str + ""; return Array(l - str.length + 1).join(c || " ") + str } | |
function initialize() | |
{ | |
document.getElementById("year").value = new Date().getYear() + 1900; | |
document.getElementById("month").value = padLeft(new Date().getMonth() + 1, 2, '0'); | |
document.getElementById("day").value = padLeft(new Date().getDate(), 2, '0'); | |
document.getElementById("serialNumber").onchange = GenerateSerialCode; | |
document.getElementById("year").onchange = GenerateSerialCode; | |
document.getElementById("month").onchange = GenerateSerialCode; | |
document.getElementById("day").onchange = GenerateSerialCode; | |
} | |
function GenerateSerialCode() | |
{ | |
var serialNumber = document.getElementById("serialNumber").value; | |
var year = document.getElementById("year").value; | |
var month = document.getElementById("month").value; | |
var day = document.getElementById("day").value; | |
var plainText = serialNumber + year + month + day; | |
var magicNumber = 0; | |
for (var i = 0; i < plainText.length; i++) | |
magicNumber += (plainText.charCodeAt(i) * (i + 1)) ^ (i + 1); | |
magicNumber *= 1751873395; | |
magicNumber = magicNumber >>> 0; // convert to 32 bit integer | |
var magicWord = magicNumber + ""; | |
var serialCode = ""; | |
for (var i = 0; i < magicWord.length; i++) | |
{ | |
var c = magicWord.charCodeAt(i); | |
if (c < 51) | |
serialCode += String.fromCharCode(c + 33); | |
else if (c < 53) | |
serialCode += String.fromCharCode(c + 62); | |
else if (c < 55) | |
serialCode += String.fromCharCode(c + 47); | |
else if (c < 57) | |
serialCode += String.fromCharCode(c + 66); | |
else | |
serialCode += String.fromCharCode(c); | |
} | |
document.getElementById("output").innerHTML = serialCode; | |
} | |
window.onload = initialize; | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment