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1 vote
1 answer
222 views

What is the role of a CA server in a PKI?

I'm confused how the CA server helps with the digital signature and the PKI workflow. Here's an example topology: A and B are the 2 devices using PKI to authenticate each other for VPN, and then there ...
RRHS's user avatar
  • 133
0 votes
2 answers
1k views

Is IKE aggressive mode really less secure than main mode?

This guy argues it is not: https://www.youtube.com/watch?v=DuowFgNKAIg I really confused about this. According to him, the only purpose of main mode is to make the peers anonymous, but in order to ...
user1028270's user avatar
1 vote
0 answers
255 views

What is a KEA certificate and how it is used?

I'm currently studying IKE and IPsec in the context of VPN applications and I know that a X.509 certificate is used to provide server's public key to the client (and vice-versa in case of mutual ...
Victor Carvalho's user avatar