7. ICMP
7.11 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 when ordering the KDM to
play a DCP that is ingested on the ICMP. The device certificate is stored inside the ICMP and on a web 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 we bsite the Q R (Quick Response) code c an be used. See procedure "Obtaining the Barco ICMP c ertificat e",
page 78.
.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 7-12
Trusted Device List (TDL)
The Goal of the TDL is to maintain timely an d accurate information on participating auditoriums so that participating
subscribers c an o btain information needed to issue K DMs . T he TDL has several data sources: Device manufacturers,
Exhibitors, Deployment Entities, Integrators, Service Providers (interacting with Exhibitors), regional authorities and
Support.
Public Key Infrastructure (PKI)
PKI is a framework for crea
ting a secure method for exchanging information based on public key cryptography. The
foundation of a PK I is the certificate authority (CA), which 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.
74 R5906847 DP2K SLP SERIES 02/06/2017
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