xwaynec/active_merchant_allpay — pull request #7 by lulalala (2014-08-13 02:09:31+00:00)
Title: Checksum with special characters

Some special characters (e.g. "()*!") are not escaped on Allpay server when they generate their check sum value, causing CheckMacValue Error.

TODO: The following characters still cause CheckMacValue error: '<', "\n", "\r", '&'