About Web-Merchant/WM Select Pro

The Select Pro option enables you to exchange encrypted, signed communications with Web-Merchant/WM. This is in addition to the use of an encrypted SSL connection to the Web-Merchant/WM secure server. The digital signature means that you can be sure of the originator of any communication and you can also be sure that it has not been tampered with. This applies in both directions:

when you send a purchase transaction to Web-Merchant/WM using the Select Pro "Purchase Token" we can be sure that this transaction has come from your server and that data, such as the cost, has not been altered in transit.
when you receive a call-back to your server from Web-Merchant/WM you can be sure that this has come from Web-Merchant/WM and that the data correctly conveys the result of processing that transaction through Web-Merchant/WM.

Select Pro is provided as a set of Java servlets which you need to run on your server. Most servers in general use now support Java servlets. If you are using one that does not you can run a separate servlet server alongside your normal web server.

Select Pro uses software developed by the Cryptix Development Team (http://www.cryptix.org/).

Multi-Currency Support

When you have Select Pro installed you can make use of its multi-currency support in your own web site. The Select Pro server automatically receives exchange rate data every 24 hours. Select Pro provides Java classes that make use of this data and which enable you to manipulate and convert currency amounts within a Java application. Alternatively you can make use of the exchange rate data directly by using the raw data file.

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