后端开发|php教程
加密解密
后端开发-php教程
php代码类:
微信砍价源码 php,vscode如何操作数据库,ubuntu中ipynb,服务器tomcat重启,爬虫论坛帖子,中公优就业php,seo如何写新闻稿lzw
<?php
/**
* Copyright (c) - 01 XatuDream
* XatuDream All Rights Reserved.
* Support:185390516.
* QQ:185390516
* Author:Lau Version:1.01
* Date:-08-12 09:28:32
*/
! defined ( WORKSPACE ) && exit ( "Access Denied !" );
class MD5Crypt {
/**
* Enter description here ...
* @param unknown_type $str
* @return string
*/
public final static function mdsha($str) {
$code = substr ( md5 ( $str ), 10 );
$code .= substr ( sha1 ( $str ), 0, 28 );
$code .= substr ( md5 ( $str ), 0, 22 );
$code .= substr ( sha1 ( $str ), 16 ) . md5 ( $str );
return self::chkToken () ? $code : null;
}
/**
* Enter description here ...
* @param unknown_type $param
*/
private final static function chkToken() {
return true;
}
/**
* Enter description here ...
* @param unknown_type $txt
* @param unknown_type $encrypt_key
* @return Ambigous
*/
private final static function keyED($txt, $encrypt_key) {
$encrypt_key = md5 ( $encrypt_key );
$ctr = 0;
$tmp = "";
for($i = 0; $i < strlen ( $txt ); $i ++) {
if ($ctr == strlen ( $encrypt_key ))
$ctr = 0;
$tmp .= substr ( $txt, $i, 1 ) ^ substr ( $encrypt_key, $ctr, 1 );
$ctr ++;
}
return $tmp;
}
/**
* Enter description here ...
* @param unknown_type $txt
* @param unknown_type $key
* @return string
*/
public final static function Encrypt($txt, $key) {
srand ( ( double ) microtime () * 1000000 );
$encrypt_key = md5 ( rand ( 0, 32000 ) );
$ctr = 0;
$tmp = "";
for($i = 0; $i < strlen ( $txt ); $i ++) {
if ($ctr == strlen ( $encrypt_key ))
$ctr = 0;
$tmp .= substr ( $encrypt_key, $ctr, 1 ) . (substr ( $txt, $i, 1 ) ^ substr ( $encrypt_key, $ctr, 1 ));
$ctr ++;
}
$_code = md5 ( $encrypt_key ) . base64_encode ( self::keyED ( $tmp, $key ) ) . md5 ( $encrypt_key . $key );
return self::chkToken () ? $_code : null;
}
/**
* Enter description here ...
* @param unknown_type $txt
* @param unknown_type $key
* @return Ambigous
*/
public final static function Decrypt($txt, $key) {
$txt = self::keyED ( base64_decode ( substr ( $txt, 32, - 32 ) ), $key );
$tmp = "";
for($i = 0; $i < strlen ( $txt ); $i ++) {
$md5 = substr ( $txt, $i, 1 );
$i ++;
$tmp .= (substr ( $txt, $i, 1 ) ^ $md5);
}
return self::chkToken () ? $tmp : null;
}
/**
* Enter description here ...
* @var unknown_type
*/
private static $_key = lau;
}
?>
使用方法：
大淘客专业版源码,vscode 16转10,ubuntu删除历史,tomcat钩子原理,sqlite文件大小限制,关于网络爬虫的描述是什么,广告管理系统 php,鹤壁seo站内优化,idc销售网站源码php,网页代码 li,503错误提示页面模板lzw
<?php //Code Start
/**
* Copyright (c) XatuDream
* XatuDream All Rights Reserved.
* Support:185390516.
* QQ:185390516
* Author:LoveCrystal Version:1.01
* Date:-9-2 04:00:37
*/
define ( WORKSPACE, . . DIRECTORY_SEPARATOR );
header ( "Content-Type: text/html; charset=utf-8" );
include_once Core/Library/MD5Crypt.class.php;
$a = MD5Crypt::Encrypt ( "A", 100 );
echo "EnCode:" . $a, "
";
echo "DeCode:" . MD5Crypt::Decrypt ( $a, 100 );
?>
jsp商场源码简单,ubuntu系统在线体验,爬爬虫游戏准备,php对人民币底汇率,seo sem semlzw
