VeriFone VX 680 Reference Manual page 111


The certificate tree that exists on the receiving terminal is not modified unless one
or more new certificate files required to authenticate the new OS are being
downloaded to the terminal. When new certificates authenticate on the receiving
terminal, the data they contain is stored in the certificate tree and the certificate
files are deleted from the Group 1

The certificates and signature files required to authenticate the new OS are
processed by the file authentication module of the receiving terminal the same as
application files.

When the terminal restarts and the new OS files process, they are moved out of
I: drive
the Group 1
I: drive
.
into the Group 0 area of the VX 680 file system.
P D
ERFORMING OWNLOADS
Direct Operating System Downloads
VX 680 R G
EFERENCE UIDE
111