Question
Assume a client host M wants to obtain secure connections with a web server N. They use the Certificate Authority host (CA) to implement public key distribution. Server N has been certificated by the CA.
After client M sets up link to N, it will validate identity of server N. Please explain the steps how customer M and server N communicate after the TCP connection being set up.
Point out what will be the formula of digital certificate of the server N.
we denote the public and private keys of server N as K+ ,N KN, and public or private keys of CA are denoted as K+
CA KCA.