Secrypt
Currently there are no functions in a default build of PHP to carry out two way encryption, there is the mcrypt extension but it is not build in PHP by default. Secrypt is a class written in PHP to fill that gap and allow secure, customizable and most importantly, understandable two way encryption for PHP.
If you have the zlib extension your data can be compressed/decompressed.
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phpAntiVirus
GPL PHP AntiVirus for webmasters. Scans your web servers file system for dangerous and malicious cod
Protector
This package can be used to make it more difficult to get images in Web pages. It provides several
Securevar Class
The Securevar class allow you to crypt & decrypt the paramaters you pass through an url. Usefull
Human Pictcha
ZZEE Human Pictcha is a protection in a form of an image (a captcha), which can be embedded inside y
Password protect a page
Password protection for a single page. Visitors are required to enter a password and username that y
.htpasswd Maker
This script will generate an encrypted password for .htpasswd and .htaccess files