8. ICMP
8.7 ICMP device certificate
Purpose of the Barco ICMP device certificate
The device certificate (*.pem) of the Barco ICMP is a digital certificate signed by Barco which is required w he n ordering the KDM to
play a D CP that is ingested o n the ICMP. The device certificate is stored inside the ICMP and on a w eb server.
The (WEB) Comma nder or Communicator can be used to retrieve the device certificate directly from the ICMP. To retrieve the device
certificate from the website the QR (Qu ick Response) code can be used. S ee procedure "O btaining the Barco ICMP certifica te ",
page 64.
.pem
ICMP
Communicator,
Commander,
Web Commander.
Studios
Device
manufacturer
KDM DCP
Content distributors (Key supplier)
TDL
Barco signed
X.509 device certificate
(PKI CA)
BARCO-ICMP-0123456789.pem
QR
0123456789
Image 8-10
Trusted Device List (TDL)
The Goal of the TDL is to maintain timely and accurate information on participating auditoriums so that participating
subscribers c an o btain information needed to issue K DMs . The TDL has s everal data sources: Device manufacturers,
Exhibitors, Deployment E ntities, Integrators, Service Prov iders (interacting with Exhibitors), regional authorities and
Support.
Public Key Infrastructure (PKI)
PKI is a framework for c rea
ting a secure method for exchanging information based on public key c ryptography. The
foundation of a PK I is the ce rtificate authority (CA), whic h issues digital certificates that authenticate the identity of or-
ganizations and individuals over a public system such as the Internet. T he certificates are also used to sign m essages,
which ensures that mes
sages have not been tampered with.
R5906693 DP2K-E SERIES 19/06/2015 61
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