Last modified by Bjørnar Ruud on 2021/03/18 10:47
From version 29.1
edited by Kristian Lingsom
on 2017/10/17 08:45
To version 29.2
edited by Pål-Eirik Askerød
on 2017/10/19 11:36
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124 124  
125 125  == PIN Validation ==
126 126  
127 -PayEx perform online PIN validation on paye,ent cards where PayEx is the acquirer, on all other cartds PIN is validated by the third party acuirer. PayEx will not interpret P-22 Point-Of-Service code to determine if it needs to validate PIN or not on PayEx fuel cards, but 3rd patry aquirers might so it's good practice to use P-22 correctly.
127 +PayEx perform online PIN validation on payment cards where PayEx is the acquirer, on all other cartds PIN is validated by the third party acuirer. PayEx will not interpret P-22 Point-Of-Service code to determine if it needs to validate PIN or not on PayEx fuel cards, but 3rd patry aquirers might so it's good practice to use P-22 correctly.
128 128  
129 129  Fields required for PIN validation are:
130 130  
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417 417  |63-9|n 14|Additional Product code|Up to 14 digits article number as known in the POS
418 418  | | |Teminator |‘\’ To mark the end of this sales item
419 419  
420 -
421 421  **P-64 MAC**
422 422  
423 423  MAC is calculated/verified according to the “IFSF X9.19 Retail CBC MAC (3DES)” (see Appendix D in [2]), using the “Derivation of the MAC session key” (see 5.2.2 Derivation of the MAC session key in [2]).