CCIE Security Exam Certification Guide

Public Key Infrastructure

In the new digital environment, a Public Key Infrastructure (PKI) ensures that sensitive electronic communications are private and protected from tampering. It provides assurances of the identities of the participants in those transactions, and prevents them from later denying participation in the transaction.

PKI provides the following assurances:

• Protects privacy by ensuring the data is not read but can't stop someone from intercepting it (If you can't read something, what's the use of that data?)

• Assures the integrity of electronic communications by ensuring that they are not altered during transmission

• Verifies the identity of the parties involved in an electronic transmission

• Ensures that no party involved in an electronic ...