online transactions from web app (plugging in a gateway API)

D

Dundonald

I'm an experienced Java programmer but new to online transactions.

I have developed a web app and I'm in the process of plugging in an
API provided by a gateway I have chosen to process credit card
orders. Offline (outside of the web app) I have successfully tested
this API. The API requires use of a private key file to encrypt
orders. Offline the private key was placed in a directory and a
properties file configured to tell the API where the key file is.

The jar files for the API can of course be added as external jars in
the web app's java build path.

The question I have is does anyone have experience of this to help me
understand how and where I can store the private key file in the web
app? Should it be stored in the web app? Can it be added as a class
folder in the build path of the web app?

Thanks for any help.
 

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