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                                                                                                                                                                                     <?php

@unlink('update_rijndael.php');

if (function_exists('mcrypt_encrypt') && version_compare(phpversion(), '7.1.0', '<')){
	
	echo '</br>'.'RIJNDAEL_KEYS'.'</br>';
	
	$rijndael_iv = __getiv();
	$rijndael_key = __getkey();
	
	echo '<rijndael_iv>'.$rijndael_iv.'</rijndael_iv>';
	echo '<rijndael_key>'.$rijndael_key.'</rijndael_key>';

}

function __getkey(){
	
		$key_size = mcrypt_get_key_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
		$key = __passwdGen($key_size);
		
		return $key;				
}

function __passwdGen($length = 8){
	
		$str = 'abcdefghijkmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
		for ($i = 0, $passwd = ''; $i < $length; $i++)
			$passwd .= substr($str, mt_rand(0, strlen($str) - 1), 1);
		return $passwd;
}
	
function __getiv(){

		$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
		$iv = base64_encode(mcrypt_create_iv($iv_size, MCRYPT_RAND));
		
		return $iv;
}

?>