XXTEA extension for PHP

Introduction

XXTEA is a fast and secure encryption algorithm. This is a XXTEA extension for PHP.

It is different from the original XXTEA encryption algorithm. It encrypts and decrypts string instead of uint32 array, and the key is also string.

Installation

There are many ways to build the package. Below you can find details for most useful ways of package building:

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Way 1: Building the package with PHP

1. Create ext/xxtea folder in the php-source-folder. Copy all files from the package into created folder.

2. Run

   ./buildconf
   

   to rebuild PHP's configure script.

3. Compile php with option:

   --enable-xxtea to build bundled into PHP module

   --enable-xxtea=shared to build dinamycally loadable module

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Way 2: Building the package with phpize utility

1. Unpack contents of the package.

2. Run

   phpize
   

   script, which will prepare environment for building XXTEA package.

3. Run

   ./configure --enable-xxtea=shared
   

   to generate makefile.

4. Run

   make
   

   to build XXTEA extension library. It will be placed into ./modules folder.

5. Run

   make install
   

   to install XXTEA extension library into PHP

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Way 3: Install via pecl

1. Run:

    pecl install xxtea
   

   That's all.

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Usage

<?php
    $str = "Hello World! 你好，中国！";
    $key = "1234567890";
    $encrypt_data = xxtea_encrypt($str, $key);
    $decrypt_data = xxtea_decrypt($encrypt_data, $key);
    if ($str == $decrypt_data) {
        echo "success!";
    } else {
        echo "fail!";
    }