Alternative Approaches to (Certificate-Based) PKI (Re-search Task)

It is well-known that (certificate-based) public-key infrastructure. which relies on using certificates form trusted authorities to ensure authenticity of entities' public keys. has some inherent limitations, such as the high trust placed in the certificate authorities and the overhead associated with revoking certificates. This task requires you to undertake some research regarding alternative approaches to (certificate-based) PKI for managing and distributing public keys.

Task Requirements

Write a short report (750 words max) discussing alternative approaches to (certificate-based) PKI and how they might overcome some of the inherent PKI limitations. Your report should include relevant references from the literature and your discussion should cover advantages and disadvantages of the alternative approaches.