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<?php
namespace yrc\models\redis;
use yrc\redis\ActiveRecord;
use Yii;
final class EncryptionKey extends ActiveRecord
{
/**
* This is our default token lifespan
* @const TOKEN_EXPIRATION_TIME
*/
const OBJECT_EXPIRATION_TIME = '+15 minutes';
* Model attributes
* @return array
public function attributes()
return [
'id',
'secret',
'expires_at',
'hash'
];
}
* @return sodium_crypto_box_publickey
public function getBoxPublicKey()
return sodium_crypto_box_publickey($this->getBoxKeyPair());
* @return sodium_crypto_box_keypair
public function getBoxKeyPair()
$secret = \base64_decode($this->secret);
$public = sodium_crypto_box_publickey_from_secretkey($secret);
return sodium_crypto_box_keypair_from_secretkey_and_publickey($secret, $public);
* Helper method to return an encryption key
* @return EncryptionKey
public static function generate()
$boxKp = sodium_crypto_box_keypair();
$obj = new static;
$obj->secret = \base64_encode(sodium_crypto_box_secretkey($boxKp));
$obj->hash = \hash('sha256', uniqid('__EncryptionKeyPairHash', true));
$obj->expires_at = \strtotime(static::OBJECT_EXPIRATION_TIME);
if ($obj->save()) {
return $obj;
throw new \yii\base\Exception(Yii::t('yrc', 'Failed to generate security tokens'));
charlesportwoodii /
yii2-api-rest-components
