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Informations about the package yii2-encrypter
Openssl Encrypter for Yii2
Openssl Encrypter for Yii2 Version 1.1.0
This extension is used for two-way encryption. The cypher method used is AES, and you can either use the 128 bites or 256 bites encryption.
You can also decide whether you want to use base64 encoding on the encrypted string to make it easier to store it, keeping in mind that the additional encoding will always increase the size of the string.
Openssl has been used in place of mcrypt because of its sheer speed in the encryption and decryption process (up to 30 times faster).
Installation
The preferred way to install this extension is through composer.
Either run
or add
to the require section of your composer.json file.
Set Up
Once the extension is installed you can either add manually the configuration in the file or you can use the command line installer that will randomly generate your encryption password and IV.
Manual Installation
Add the following lines in the section of your file.
I recommend using base64 encoding to make it easier to store the encrypted string.
The IV must always be 16 bites long, keep that in mind in case you use multibyte characters.
Automatic Installation
Modify your config file, adding the encrypter to the list of bootstrapped modules
Add then the module to the module list
At this point you will be able to simply execute from the root of your app directory the command
The command will automatically generate the config file in your application directory. The generated config file will contain a randomly generated password and IV.
You will now only have to add the extension to your config file
Basic Usage
You can now use the encrypter manually in any part of the application to either encrypt a string
or decrypt and encrypted string
Behavior
The extension also comes with a behavior that you can easily attach to any ActiveRecord Model.
Use the following syntax to attach the behavior.
The behavior will automatically encrypt all the data before saving it on the database and decrypt it after the retrieve.
Keep in mind that the behavior will use the current configuration of the extension for the encryption.
Console Commands
If the console module is installed you can also use the and console commands.
To find out how to install the console module follow the "Automatic Installation" instructions in this document.
Unit Testing
The entire extension was built with TDD. To launch the tests just go inside the extension directory and execute the command.
Warnings
It is extremely hard to decrypt the data without the password and IV, keep a copy of them to avoid losing all your data.
Two-way encryption should not be used to store passwords: you should use a one-way encryption function like sha1 and a SALT
