Public-key certification
A certification authority (CA) binds public key to particular entity, E.
E (person, router) registers its public key with CA.
- E provides “proof of identity” to CA.
- CA creates certificate binding E to its public key.
- Certificate containing E’s public key digitally signed by CA – CA says “this is E’s public key”
Figure 38 Operation of a certification authority to generate a certificate
Public Key Certificate Diagram (Italian Version) by derivative work: JBrewster... from Wikipedia CC BY-SA 3.0
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