Zend Guard usage guide and problem solving, zendguard_PHP tutorial

Zend Guard usage guide and problem solving, zendguard

Zend Guard is the most mature PHP source code encryption product currently on the market.

I happened to need to encrypt my own products. After struggling for a whole night, I finally got it. I recorded the problems and solutions I encountered so that I can help others in the future.
I am using Wampserver, where the php version is 5.3.10.

Zend Guard installation and cracking

Click to download Zend Guard5.5.0. After the download is complete, please install it by yourself

The following points need to be noted here:

1. This KEY is valid on July 10, 2010, so when activating, please adjust your computer system time to before this time
2. This KEY activates a trial version, and encrypted files are only valid for 14 days. Therefore, when encrypting files, please adjust your computer system time backward by N years, such as 2099-12-31
3. Download the authorization file [zend_guard authorization file.zip] and unzip it to get zend_guard.zl, which is the file for activation
4. Open Zend Guard 5.5.0, [Help]->[Register]->[Search for a license file on my disk], select the file to activate.

How to use Zend Guard for encryption?

1. Open Zend Guard 5.5.0, [File]->[New]->[Zend Guard Project], create a new project
2. In the pop-up window, fill in the first three items casually. The last item is the storage location of the encrypted file, then [Next];
3. This step is to select the file to be encrypted, which can be a single file [Add File] or an entire folder [Add Folder], and then [Next]
4. The next step is to select the PHP version [compare it with the PHP version on your server]. This is very important. If the version is incorrect, an error will occur. [Finish] Complete the creation of the project
5. In the Guard Explorer on the left side of Zend Guard, you can see your new project. After selecting it, right-click [Encode Project] and complete

Solving the problem of Zend Guard Run-time support missing

Although the PHP source code can be successfully encrypted now, when executing the script, you will find that it cannot be executed normally and the following message will be displayed

Zend Guard Run-time support missing!
One more more files on this web site were encoded by ZendGuard and the required run-time support is not installed or properly configured.
......

It turns out that the encrypted php code requires the ZendGuardLoader module to run properly.
Because my PHP version is 5.3.10, I only provide ZendGuardLoader-php-5.3-Windows. If it is other versions of PHP, please Baidu.
Click to download ZendGuardLoader-php-5.3-Windows
After downloading, unzip the compressed package, find the ZendLoader.dll file in the directory, put it under ext in your php directory, then edit the php.ini file and add a piece of code (for example):

Copy code The code is as follows:

[Zend.loader]
zend_loader.enable=1
zend_loader.disable_licensing=1
zend_loader.obfuscation_level_support=3
zend_loader.license_path=
zend_extension="Your PHP installation directory extZendLoader.dll"

Restart wampserver
If you are lucky, you will find that you can grow and implement it. If you are not lucky, you will still find the above errors.
Here we have installed the zend guard loader, why can’t we still execute the zend encrypted php script?
By looking at the output phpinfo() information, I found that there are several lines of information:

Copy code The code is as follows:

PHP Extension 20090626
Zend Extension 220090626
Zend Extension Build API220090626,TS,VC9

Please note that TS is the abbreviation of thread safety (i.e. thread safety)

I couldn’t find the reason for the moment, so I simply opened the zend guard official website to search, and then the problem was solved.

It turns out that zend guard loader only supports the NTS version, which means that if your php version is TS, you cannot use zend guard loader. If you want to check whether your php is ts or nts, you only need to output phpinfo, and then search: Thread Safety, disabled corresponds to the nts version, otherwise it is ts.

Therefore, the ultimate solution is to download the php NTS version and install it.

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