Anyone else getting _hit_ with this? We don't run a secure server (we do, but we don't
process some clients through it). We now need to pass this "fingerprint" through
tango/witango.
"They" don't have the examples available yet, but when they are I'm told they will be
for perl, php and asp! So, what's a Tango/Witango developer to do?
If any of you are coming up with snippets, please post here. I realize this is all
about security, so maybe you don't want to post. Any ideas?
Thanks,
Beverly
=== small snippet for SIM ==
Transaction Submission
SIM requires merchants to be able to host a script either within the HTML page on
which their payment form resides, or on their web server. The merchant's web server
submits payment information to the gateway using an HTTPS form POST that includes a
unique transaction fingerprint.
The script generates the fingerprint using a gateway-generated transaction key
(similar to a password) and specific transaction data as input. Because specific
transaction data is used, the fingerprint is unique to the transaction.
For detailed information about SIM sample scripts, please see the SIM Implementation
Guide in the Documentation and Reference Guides section of the Help Menu in the
Merchant Interface.
Transaction Response
Once the gateway receives a transaction request, it also uses the transaction key and
specific transaction data to create the fingerprint. If the fingerprint created by the
gateway matches the fingerprint submitted with the transaction, then the gateway knows
that the request is authentic. If it does not match, the transaction is rejected. If
accepted, the gateway returns the Receipt Page to the customer's browser.
=== end snippet ==
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