Complex sentence: The VISA method takes the right most 11 digits of the PAN excluding the checksum value, a PIN validation key index (PVKI) and the required PIN value encrypted with the PIN validation key (PVK) referenced by the PVKI.
Split into simpler sentences: The VISA method takes the right most 11 digits of the PAN, excluding the checksum value, a PIN validation key index (PVKI) and the required PIN value. Encrypted with the PIN validation key (PVK) referenced by the PVKI.