Track data encryption

Details Track data encryption Track data encryption

2007-06-12

2010-10-19

Hewitt, II, Calvin L (Department: 3685)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Secure transaction

C705S050000, C705S065000, C705S076000, C705S077000

Reexamination Certificate

active

07818264

ABSTRACT:
A method for using a secondary PAN is disclosed. The method includes providing a secondary PAN associated with a primary PAN, where the secondary PAN has at least one end portion that is the same as the primary PAN, but has a middle portion of that is different than the primary PAN.

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