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vads_threeds_cavvAlgorithm

Description

Algorithm used by the ACS to generate the CAVV value.

Its value is populated by 3DS authentication server (ACS) when the buyer has been correctly authenticated ( vads_threeds_status equals " Y " or " A").

Output field, returned in the response (IPN and Return URL).

Format an1

Possible values

Value Description
0 HMAC
1 CVV
2 CVV_ATN
3 MasterCard SPA
A AV-CB
Category Authentication of cardholder.
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