Master Keys (MK) 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.