yii2 encrypt decrypt

Yii2 encrypt decrypt data

Yii2 have inbuilt functions for encrypt/decrypt data using secret key. You need secret key to decrypt the data. So if the person have secret key he/she will be decrypt the data easily using the getSecurity() method. Below example is showing the data encrypt/decrypt:

$data = 'FORM DATA';
$secretKey = 'YOUR SECRET KEY'
$encryptData = Yii::$app->getSecurity()->encryptByPassword($data, $secretKey);

$data = Yii::$app->getSecurity()->decryptByPassword($encryptData, $secretKey);

yii2 decrypt password

Password Decryption in Yii2

Yii2 have inbuilt functions for encrypt/decrypt data using secret key. Yii2 getSecurity() method return the pseudo random data which is useful for encrypt/decrypt your hash data. The given example describe the validate password and set password methods:

public $key = 'SECRET KEY';
public function setPassword($pwd)
{
    $this->password_hash = Yii::$app->getSecurity()->encryptByPassword($pwd, $this->key);
}
public function validatePassword($pwd)
{
    $decryptPassword = Yii::$app->getSecurity()->decryptByPassword($this->password_hash, $this->key);
    return $decryptPassword === $pwd;
}

Yii2 cryptography

Yii2 cryptography

Generating Pseudo random

Pseudo random is helpful in security. You can use Pseudo random data as a token while sending the email for reset password or while sending the confidential data on the server.

$securityKey = Yii::$app->getSecurity()->generateRandomString();

You can also pass the integer value in generateRandomString() function.
For Example:

$securityKey = Yii::$app->getSecurity()->generateRandomString(10);