Master Keys Installed on the Pinpad

There are two types of MK keys that can be installed on the pinpad for password encryption:
DES and 3DES.

The Master Key, together with the Working Key and PAN, are components used to
encrypt a password entered on the pinpad. To identify the type of MK installed on the pinpad,
We provide the functions below.

• Direct access functions (Standard Interface).
  ObtemMKSEDireto
  ObtemMKSEInterativo
• Direct access functions (ASCII Interface).
  ObtemMKSEDiretoA
  ObtemMKSEInterativoA
• Through Modality 424.
  Created to serve Mobile solutions.