R5905754 /13 DPxK-32B116
.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 and accurate information on participating auditoriums so
that participating subscribers can obtain information needed to issue KDMs. The 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 creating a secure method for exchanging information based on public key
cryptography. The foundation of a PKI is the certificate authority (CA), which issues digital
certificates that authenticate the identity of organizations and individuals over a public system such
as the Internet. The certificates are also used to sign messages, which ensures that messages
have not been tampered with.
*.pem
Privacy-enhanced Electronic Mail. File format used to distribute digital signed certificates. Base64
encoded DER certificate, enclosed between "———BEGIN CERTIFICATE———" and "———END
CERTIFICATE———"
ICMP
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