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Direktori : /home2/selectio/www/myclassicfit.com/vendor/paypal/rest-api-sdk-php/lib/PayPal/Security/ |
Current File : /home2/selectio/www/myclassicfit.com/vendor/paypal/rest-api-sdk-php/lib/PayPal/Security/Cipher.php |
<?php namespace PayPal\Security; /** * Class Cipher * * Helper class to encrypt/decrypt data with secret key * * @package PayPal\Security */ class Cipher { private $secretKey; /** * Fixed IV Size */ const IV_SIZE = 16; public function __construct($secretKey) { $this->secretKey = $secretKey; } /** * Encrypts the input text using the cipher key * * @param $input * @return string */ public function encrypt($input) { // Create a random IV. Not using mcrypt to generate one, as to not have a dependency on it. $iv = substr(uniqid("", true), 0, Cipher::IV_SIZE); // Encrypt the data $encrypted = openssl_encrypt($input, "AES-256-CBC", $this->secretKey, 0, $iv); // Encode the data with IV as prefix return base64_encode($iv . $encrypted); } /** * Decrypts the input text from the cipher key * * @param $input * @return string */ public function decrypt($input) { // Decode the IV + data $input = base64_decode($input); // Remove the IV $iv = substr($input, 0, Cipher::IV_SIZE); // Return Decrypted Data return openssl_decrypt(substr($input, Cipher::IV_SIZE), "AES-256-CBC", $this->secretKey, 0, $iv); } }