Yii2 Application Development Cookbook - Third Edition

Encrypting/Decrypting data

The Yii2 framework contains a special security component that provides a set of methods for handling common security-related tasks. The \yii\base\Security class requires the OpenSSL PHP extension instead of mcrypt.

Getting ready

1. Create a new application by using the Composer package manager, as described in the official guide at http://www.yiiframework.com/doc-2.0/guide-start-installation.html.
2. Set up the database connection and create a table named order, as follows:

   DROP TABLE IF EXISTS `order`;
   CREATE TABLE IF NOT EXISTS `order` (
   `id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
   `client` VARCHAR(255) NOT NULL,
   `total` FLOAT NOT NULL,
   `encrypted_field` BLOB NOT NULL,
   PRIMARY KEY (`id`)
   );

3. Generate an Order model using Gii. ...