PVV generation

Sep 19, 2013 at 10:51 AM
Hey Guys,
Have new Challenge ...We had PIN encryption happening earlier with IBM method ..but now want to switch to PVV method ..

I have clear PIN , card number and PVK..

What command should be used to generate PVV value (PIN offset) so that clear PIN value remain unchanged .


Cheers :)
Sep 25, 2013 at 3:28 AM
Hi,

I am having the same problem needing to transfer the PIN from an old card to a new card (we currently have an ESM which provides calculating PVV from IBM offset but we are retiring it and that's where I came from).

What I did is using EE command with PIN offset to get the encrypted PIN, when trying to use DG command to generate a PVV for the PIN,
I got a DH14 error which means PIN encrypted under LMK pair 02-03 is invalid from the error code section of the manual.

NG (decrypt the PIN) then BA (encrypt the PIN with new card number) would work however the two commands are not authorized in our enviroment (and I don't think they want to authorise them).

Thanks,
David
Sep 25, 2013 at 4:02 AM
Thanks David .

I got a problem Solved .


I was having clear PIN with IBM method ...used BA to encrypt the PIN and DG to generate PVV (Visa Method) with encrypted PIN..I think u need BA if u want to generate PVV but not Sure .

I have done earlier the requirement to transfer PIN from one acct/card to another card with IBM method and used below commands. Not aware now, y we dcrypted and encrypted ..It was long back..

But here also you can't go away from BA & NG

EE - to generate PIN
NG- Dcrypt the PIN
BA- Encrypt PIN
DE-PIN offset calculation
Sep 25, 2013 at 4:40 AM
Thanks Jassi,

I will see if I can get our local Thales support to have a look whether there's another way of doing it or there can be only two way out:
  1. Authorize BA and NG if possible.
  2. Let our customers know we are not doing it anymore.
Cheers,
David