md5 key

The short URL is to convert a long address in the Super short URL, and then visit the short URL to jump to the long URL, the following is the implementation of the URL to the PHP algorithm and examples of short URLs.Short URLs, as the name implies,

Why does 6.2.2.1 need certification?Most NTP users do not need authentication because the protocol itself contains many filters for bad times. However, certification is still present, and the use of certification is becoming more common. Some of the

 Thinkphp's support for Oracle is simply weak. It only performs basic operations, and even transactions are not supported. Modify DbOracle. class. php manually today to make it easier to use.First, insert. There should be no problem with the

Copy CodeThe code is as follows: Class Cache { Private $dir = "data/cache/";//define Cache directory Private $key = ' c_a_sss '; File name MD5 encryption key function Set_dir ($dirpath) { $this->dir= $dirpath; $this->make_dir

Mcrypt reversible encryption algorithm in PHP $TD = Mcrypt_module_open (Mcrypt_des, ', ' ECB ', '); Using the mcrypt_des algorithm, the ECB mode $iv = Mcrypt_create_iv (Mcrypt_enc_get_iv_size ($TD), Mcrypt_rand);$ks = Mcrypt_enc_get_key_size

How do I use token? I see a token when someone else's mobile client interacts with the server. what is the principle of token? How to implement it? How can I use php to develop servers? Reply to discussion (solution) The token is used to verify

Adding a random key makes the ciphertext irregular. even if the original text and the key are exactly the same, the encryption results will be different each time, increasing the difficulty of cracking. Well, a very good php string encryption

Use cookies to check whether a user is logged on. is it secure? Use cookies to check whether a user is logged on. is it secure? $ Cookies & nbsp ;=& nbsp; & nbsp; $ _ COOKIE ["wordpress_logged_in _". md5 ("http: // localhost uses cookies to check

One is the post request function of curl, which is mainly used for api development on various platforms to process request interfaces. if you have multiple platforms and want to transmit data between them, this function is absolutely useful. One is

PHP's encryption and decryption string function, php's encryption and decryption string. The PHP encryption and decryption string function code is as follows: **************************************** * ***** PHP's string encryption and decryption

PHPHeader("content-type:text/html; CHARSET=GBK ");>PHP//$a =authcode ($_post[' content '), "DECODE");$a=$_post[' Content '];$a=authcode ($a, "DECODE"); Echo $a;functionAuthcode ($string,$operation= "ENCODE",$key= "",$expiry= 0) { $ckey _length= 4;

VRRP is another type of Gateway redundancy protocol and is a public mechanism, HSRP is a C Isco Private mechanism : VRRP (virtual Router     Redundancy Protocol, virtualized routing Redundancy Protocol), A number of Gateway routers virtual

CSRF (Cross-site request forgery cross-site solicitation forgery, also known as "one click Attack" or Session Riding, usually abbreviated as CSRF or XSRF, is a malicious use of the site. Although it sounds like a cross-site script (XSS), it is very

Session 1 ARP Proxy technology1. ARP ProxyThe ARP proxy feature is the L3 layer gateway device for all functions, routers or L3 layer switches. The ARP proxy function uses the ARP protocol's unreliability to replace the terminal to carry on the L3

Simple login class, not separate login and database query Copy the Code code as follows:/** Example** $Auth =new Auth ();* $Auth->login ("123@123.com", "123");* $Auth->logout ();* Echo $r->init ();***/ Verify the Login class Copy CodeThe code is as

This paper analyzes the login process of YII framework in detail. Share to everyone for your reference. The specific analysis is as follows: Yii is a bit difficult for beginners to get started with, especially about Session,cookie and user

Copy CodeThe code is as follows: /** * $string Clear text or ciphertext * $operation encrypt encode or decrypt decode * $key Key * $expiry Key Expiration date */ function Authcode ($string, $operation = ' DECODE ', $key = ", $expiry = 0) { Dynamic

The status of data encryption in our lives has become increasingly important, especially given the large amount of data that is being traded and transmitted over the network. For information that does not need to be restored to the original data we

When you use streaming of hadoop to read data, if the input is sequence file, if you use "-inputformat Org. apache. hadoop. mapred. if sequencefileinputformat is configured for read, garbled characters are displayed in the read data because the read

1. With regard to the operation of asynchronous feedback, this is necessary because sometimes, if the user suddenly breaks the net or something, it will not result in data anomalies, no feedback to the successful information.So this operation needs