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U.S. Department of Transportation
Research and Innovative Technology Administration
Triscallion_Black
Principles of Certificate Management
Functions:  The high level  CME functions
4Central signing authority for all certificates
4Distributes certificates to RA
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4Communicates directly with On Board Equipment (OBE)
4Coordinates with CA and LA to distribute certificates to OBE
4Creates linkage values
4Encrypts and sends linkage values to RA
4Reviews misbehavior reports to identify malfeasance and malfunction
4Reviews Certificate Revocation Lists (CRLs)
Certificate
Authority (CA)
Registration
Authority (RA)
Linkage
Authority (LA)
Misbehavior Detection & Mgmt (MDM)
4A CME is an organization responsible for some of the functions and activities of certificate management
4A Public Key Infrastructure (PKI) scheme was selected for communications security
4The Activation system is the only part of the system that may collect PII, if that decision is made
CME Functions