What is the role of Certification Authorities in the Authentication process?

Certification Authorities (CAs) play a crucial role in the authentication process within network security. Authentication is the process of verifying the identity of a user or system, ensuring that they are who they claim to be. CAs serve as trusted third parties that validate the authenticity of digital certificates, which are used to establish secure communication channels over networks. Here's a detailed explanation of the role of Certification Authorities in the authentication process:

1. Issuance of Digital Certificates: CAs issue digital certificates, which are electronic documents used to verify the identity of parties involved in online transactions. These certificates contain information such as the public key of the certificate holder, their identity information, and the digital signature of the CA.

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