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3. Installation of Root Certificate Files (rootcert.pem)
The rootcert.pem file is used to supplement the list of certificates already installed on your Hyosung
ATM. The supplemental certificates are trusted chains used by payment processors that are not always
preinstalled on ATMs. These will allow certificate validation to be enabled on the ATM for enhanced
protection against logical attacks.
a) Download the DPL
processor) and install it on a USB drive or SD card that is 2GB or less in size. It should appear
as depicted below.
NOTE: The 2GB drive size is a requirement for GenMega ATMs. They can have trouble accessing drives
larger than 2GB. WARNING: This is important, if you don't have one, purchase a 2GB drive.
rootcert.pem
file (or the certificate chain indicated by your payment
Adding Rootcert.pem to Root of USB Drive/SD Card
7
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