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202008111838001门禁读头加解密--梯控版本.html
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202008111838001门禁读头加解密--梯控版本.html
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<!--
* @Author: [JokerChen]
* @Date: 2020-08-11 18:38:38
* @LastEditors: [JokerChen]
* @LastEditTime: 2021-07-26 17:56:02
* @Description: 追加了对应的梯控的设置，现在暂时支持5个楼层的设置
-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>二维码读头解密</title>
</head>
<body>
</body>
</html>
<script>
window.onload=function(){
//加密部分
// var cardid = "1258641926";
// var flour1 = "280306021";
// var flour2 = "";
// var flour3 = "";
// var flour4 = "";
// var flour5 = "";
// var flourArray=[flour1,flour2,flour3,flour4,flour5];
var cardid = "2365236921";
var currentTime = Date.parse(new Date());//当前日期
var slider3 = 0; //0小时
var slider4 = 10; //10分钟
var time = currentTime + (slider3 * 60 + slider4) * 60 * 1000;//毫秒
// var time = currentTime;
var count = 1; //（校时秒数）///普通卡模式的话这个值对应的时间是分钟
var sCard = getQrcodeBytes(cardid, time, count);
console.log(sCard);
// var info ="F1204538E36E7335A9AB6D5867EA18E818A5E747";
//解密
console.log(qrDeCodeProject(info));
}
/*-----------------------解密------------------------------*/
function getArr(str) {
var arr = []
for (var i = 0; i < str.length; i += 2) {
arr.push('0x' + str[i] + str[i + 1])
}
return arr.map(function (x) {
return parseInt(x)
})
}
function toSeekId(bs) {
var value =
(bs[0] & 0xFF) << 24 |
(bs[1] & 0xFF) << 16 |
(bs[2] & 0xFF) << 8 |
(bs[3] & 0xFF) << 0;
return value;
}
//字符串转字节
function deStringToByte(str) {
var bytes = new Array();
var len, c;
len = str.length;
for (var i = 0; i < len; i++) {
c = str.charCodeAt(i);
if (c >= 0x010000 && c <= 0x10FFFF) {
bytes.push(((c >> 18) & 0x07) | 0xF0);
bytes.push(((c >> 12) & 0x3F) | 0x80);
bytes.push(((c >> 6) & 0x3F) | 0x80);
bytes.push((c & 0x3F) | 0x80);
} else if (c >= 0x000800 && c <= 0x00FFFF) {
bytes.push(((c >> 12) & 0x0F) | 0xE0);
bytes.push(((c >> 6) & 0x3F) | 0x80);
bytes.push((c & 0x3F) | 0x80);
} else if (c >= 0x000080 && c <= 0x0007FF) {
bytes.push(((c >> 6) & 0x1F) | 0xC0);
bytes.push((c & 0x3F) | 0x80);
} else {
bytes.push(c & 0xFF);
}
}
return bytes;
}
function deHloveyRC4(aInput, aKey) {
var iS = new Array(256);
var iK = new Array(256);
for (var i = 0; i < 256; i++) {
iS[i] = i;
}
var j = 1;
for (var i = 0; i < 256; i++) {
iK[i] = aKey[(i % aKey.length)];
}
j = 0;
for (var i = 0; i < 256; i++) {
j = (j + iS[i] + iK[i]) % 256;
var temp = iS[i];
iS[i] = iS[j];
iS[j] = temp;
}
var i = 0;
j = 0;
var iInputBytes = aInput;
var iOutputBytes = new Array(aInput.length);
for (var x = 0; x < iInputBytes.length; x++) {
i = (i + 1) % 256;
j = (j + iS[i]) % 256;
var temp = iS[i];
iS[i] = iS[j];
iS[j] = temp;
//int t = (iS[i]+(iS[j] % 256)) % 256;
var t = (iS[i] + iS[j]) % 256;
var iY = iS[t];
var iCY = iY;
iOutputBytes[x] = (iInputBytes[x] ^ iCY) & 0xFF;
}
return iOutputBytes;
}
// 调用解密的函数
function qrDeCodeProject(codeString) {
var byte4 = [];
var byte4Time = [];
var byte1Cnt;
var byte1Flour = [];
var byte2Flour = [];
var byte3Flour = [];
var byte4Flour = [];
var byte5Flour = [];
var arr = getArr(codeString);
var keys = deStringToByte("RCQJVAGOSZXOYVXCVQYFORCTOTZKYESE");
var seekByte20 = deHloveyRC4(arr, keys);
console.log('seekByte20:length:'+seekByte20.length+'seekByte20:'+seekByte20);
for (var i = 4; i < 8; i++) {
byte4.push(seekByte20[i]);
}
for (var i = 12; i < 16; i++) {
byte4Time.push(seekByte20[i]);
}
console.log("生成："+seekByte20);
//楼层1
for (var i = 16; i < 20; i++) {
byte1Flour.push(seekByte20[i]);
}
console.log(byte1Flour);
//楼层2
for (var i = 20; i < 24; i++) {
byte2Flour.push(seekByte20[i]);
}
console.log(byte2Flour);
//楼层3
for (var i = 24; i < 28; i++) {
byte3Flour.push(seekByte20[i]);
}
console.log(byte3Flour);
//楼层4
for (var i = 28; i < 32; i++) {
byte4Flour.push(seekByte20[i]);
}
console.log(byte4Flour);
//楼层5
for (var i = 32; i < 36; i++) {
byte5Flour.push(seekByte20[i]);
}
console.log(byte5Flour);
//获取设置的毫秒数
byte1Cnt=seekByte20[11];
console.log(byte1Cnt);
if (toSeekId(byte4) > 0) {
var seekId = toSeekId(byte4).toString();
} else {
var seekId = (4294967296 + toSeekId(byte4)).toString();
}
//4294967296 - seekId
if (seekId.length < 10) {
var subStr = ""
for (var j = 0; j < 10 - seekId.length; j++) {
subStr += "0"
}
seekId = subStr + seekId
}
var currentTime = toSeekId(byte4Time) * 1000;
return seekId + '|' + currentTime+'|'+byte1Cnt+'|楼层1:'+ (toSeekId(byte1Flour))+"|楼层2:"+(toSeekId(byte2Flour))+"|楼层3:"+(toSeekId(byte3Flour))+"|楼层4:"+(toSeekId(byte4Flour))+"|楼层5:"+(toSeekId(byte5Flour));
}
//num传入的数字，n需要的字符长度
function PrefixInteger(num, n) {
return (Array(n).join(0) + num).slice(-n);
}
/*------------------------解密结束--------------------------------------*/
//二维码加密函数
/*_______________________________________________________*/
//获取二维码头
function long_byte4(value) {
var result = new Array(4);
result[0] = (value >> 24 & 0xFF);
result[1] = (value >> 16 & 0xFF);
result[2] = (value >> 8 & 0xFF);
result[3] = (value >> 0 & 0xFF);
return result;
}
function byte4_long(bs) {
var value =
(bs[3] & 0xFF) << 24 |
(bs[2] & 0xFF) << 16 |
(bs[1] & 0xFF) << 8 |
(bs[0] & 0xFF) << 0;
return value;
}
//CRC校验
function CrcGen_STM32(data, size) {
var j;
var i;
var temp;
var crc = 0x16E008EC; //请联系厂家获取crc初值
for (i = 0; i < size; i++) {
var t = new Array(4);
var index = i * 4;
for (var k = 0; k < 4; k++) {
t[k] = data[index++];
}
temp = byte4_long(t);
for (j = 0; j < 32; j++) {
if (((crc ^ temp) & 0x80000000) != 0) {
crc = 0x04C11DB7 ^ (crc << 1);
} else {
crc <<= 1;
}
temp <<= 1;
}
}
return crc;
}
//字符串转字节
function stringToByte(str) {
var bytes = new Array();
var len, c;
len = str.length;
for (var i = 0; i < len; i++) {
c = str.charCodeAt(i);
if (c >= 0x010000 && c <= 0x10FFFF) {
bytes.push(((c >> 18) & 0x07) | 0xF0);
bytes.push(((c >> 12) & 0x3F) | 0x80);
bytes.push(((c >> 6) & 0x3F) | 0x80);
bytes.push((c & 0x3F) | 0x80);
} else if (c >= 0x000800 && c <= 0x00FFFF) {
bytes.push(((c >> 12) & 0x0F) | 0xE0);
bytes.push(((c >> 6) & 0x3F) | 0x80);
bytes.push((c & 0x3F) | 0x80);
} else if (c >= 0x000080 && c <= 0x0007FF) {
bytes.push(((c >> 6) & 0x1F) | 0xC0);
bytes.push((c & 0x3F) | 0x80);
} else {
bytes.push(c & 0xFF);
}
}
return bytes;
}
//cardid：需要加密的卡号,time:截止日期，count：次数 0次为无限次
function getQrcodeBytes(cardid, time, count,flourArray) {
var index = 0;
//根据不同的楼层信息进行处理
// var flourLength=flourArray.length;
var qrcodebyte = new Array(20);
console.log("数组长度："+qrcodebyte.length);
qrcodebyte[index++] = 0x26;// 头
qrcodebyte[index++] = 0x18;// 头
qrcodebyte[index++] = 0x01;// CMD
qrcodebyte[index++] = 0x0C;// 长
// ID 4
var b_cardid = long_byte4(cardid);
for (var i = 0; i < 4; i++) {
qrcodebyte[index++] = b_cardid[i]
}
console.log("b_cardid:"+qrcodebyte);
// 厂商 3 + count 1
var b_company = new Array(0XFF, 0XFF, 0XFF, count);
for (var i = 0; i < 4; i++) {
qrcodebyte[index++] = b_company[i]
}
console.log("b_company:"+qrcodebyte);
// TIME 4
var b_time = long_byte4(time / 1000);
for (var i = 0; i < 4; i++) {
qrcodebyte[index++] = b_time[i]
}
console.log("b_time:"+qrcodebyte);
//楼层
// console.log('flour:'+flourArray);
// for(var j=0;j<flourLength;j++){
// var b_flour = long_byte4(flourArray[j]);
// for (var i = 0; i < 4; i++) {
// qrcodebyte[index++] = b_flour[i];
// }
// }
console.log("b_flour:"+qrcodebyte);
// crc32 4
var crcCheck = new Array(16);
for (var i = 0; i < crcCheck.length; i++) {
crcCheck[i] = qrcodebyte[i];
}
var crcValue = CrcGen_STM32(crcCheck, 4);
var b_crc = long_byte4(crcValue);
for (var i = 0; i < 4; i++) {
qrcodebyte[index++] = b_crc[i]
}
console.log('处理后的qrcodebyte：'+qrcodebyte);
var qrcode = HloveyRC4(qrcodebyte);
return qrcode;
}
function HloveyRC4(aInput) {
//暂时为死的key
var aKey = stringToByte("RCQJVAGOSZXOYVXCVQYFORCTOTZKYESE");
var iS = new Array(256);
var iK = new Array(256);
for (var i = 0; i < 256; i++) {
iS[i] = i;
}
var j = 1;
for (var i = 0; i < 256; i++) {
iK[i] = aKey[(i % aKey.length)];
}
j = 0;
for (var i = 0; i < 256; i++) {
j = (j + iS[i] + iK[i]) % 256;
var temp = iS[i];
iS[i] = iS[j];
iS[j] = temp;
}
var i = 0;
j = 0;
var iInputBytes = aInput;
var iOutputBytes = new Array(aInput.length);
for (var x = 0; x < iInputBytes.length; x++) {
i = (i + 1) % 256;
j = (j + iS[i]) % 256;
var temp = iS[i];
iS[i] = iS[j];
iS[j] = temp;
//int t = (iS[i]+(iS[j] % 256)) % 256;
var t = (iS[i] + iS[j]) % 256;
var iY = iS[t];
var iCY = iY;
iOutputBytes[x] = (iInputBytes[x] ^ iCY) & 0xFF;
}
var sgetHexString = getHexString(iOutputBytes);
return sgetHexString;
}
//获取hex字符串
function getHexString(seekByte20) {
if (seekByte20 == null || seekByte20.length == 0) {
return "";
}
var chars = new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F");
var bit;
var sb = "";
for (var i = 0; i < seekByte20.length; i++) {
bit = (seekByte20[i] & 0x0f0) >> 4;
sb += (chars[bit]);
bit = seekByte20[i] & 0x0f;
sb += (chars[bit]);
}
return sb;
}
// /*_______________________________________________________*/
</script>