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Security Certificates

Certificates are used between devices within your video conferencing environment (such as servers and endpoints) to authenticate the devices and to support encryption. Certificates confirm that the servers within your infrastructure can communicate and have the option to encrypt the data. Each digital certificate is identified by its public key. The collection of all public keys used in an enterprise to determine trust is known as a Public Key Infrastructure (PKI).

The certificate authority, or CA, or is a single, centralized authority such as an enterprise’s IT department or a commercial certificate authority that each computer on the network is configured to trust. Each server on the network has a public certificate that identifies it. When a client connects to a server, the server shows its signed public certificate to the client. The certificate authority signs the public certificates of those servers that clients should trust. Trust is established because the certificate has been signed by the certificate authority, and the client has been configured to trust the CA.

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