Hi,
I use the methods in PHP mcrypt module.
I have these two methods:
// Decription Encryption
public static function encrypt($string, $key){
$cipher_alg = MCRYPT_RIJNDAEL_128;
$iv = mcrypt_create_iv(mcrypt_get_iv_size($cipher_alg, MCRYPT_MODE_ECB),
MCRYPT_RAND);
$encrypted_string = base64_encode(mcrypt_encrypt($cipher_alg, $key,
$string, MCRYPT_MODE_CBC, $iv));
$iv_encode = base64_encode($iv);
return $encrypted_string.'_'.$iv_encode;
}
public static function decrypt($encrypted_string, $key){
$cipher_alg = MCRYPT_RIJNDAEL_128;
list($encrypted_string, $iv) = explode('_', $encrypted_string);
$decrypted_string = mcrypt_decrypt($cipher_alg, $key,
base64_decode($encrypted_string), MCRYPT_MODE_CBC, base64_decode($iv));
$len = strlen($decrypted_string);
$j = $len-1;
while ($decrypted_string[$j] == "\0") $j--;
$decrypted_string = substr($decrypted_string, 0, $j+1);
return $decrypted_string;
}
where $key is some fixed value stored in my app.yml file.
--Mohammad
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