/**
* Crypt_RSA factory.
*
* @param array $params
* Optional associative array of parameters, such as:
* enc_key, dec_key, private_key, public_key, hash_func.
* See setParams() method for more detailed description of
* these parameters.
*
* @param string $wrapper_name
* Name of math wrapper, which will be used to
* perform different operations with big integers.
* See contents of Crypt/RSA/Math folder for examples of wrappers.
* Read docs/Crypt_RSA/docs/math_wrappers.txt for details.
*
* @return object new Crypt_RSA object on success or PEAR_Error object on failure
* @access public
*/
function &factory($params = null, $wrapper_name = 'default')
{
$obj = new Crypt_RSA($params, $wrapper_name);
if ($obj->isError()) {
// error during creating a new object. Retrurn PEAR_Error object
return $obj->getLastError();
}
// object created successfully. Return it
return $obj;
}
