(defun initiate-tls-session (server-address client-cert client-key)
;; Create a new TLS context
(let ((tls-context (create-tls-context)))
;; Load client certificate and key
(load-client-cert tls-context client-cert client-key)
;; Set server address
(set-server-address tls-context server-address)
;; Perform TLS handshake
(tls-handshake tls-context)
;; Return established context for secure communication
tls-context))
(defun create-tls-context ()
;; Initialize a new TLS session context
(make-instance 'tls-session-context))
(defun load-client-cert (tls-context client-cert client-key)
;; Load the client's certificate and private key into the context
(setf (tls-client-cert tls-context) client-cert)
(setf (tls-client-key tls-context) client-key))
(defun set-server-address (tls-context server-address)
;; Configure the server address for the session
(setf (tls-server-address tls-context) server-address))
(defun tls-handshake (tls-context)
;; Execute the TLS handshake protocol
(send-client-hello tls-context)
(receive-server-hello tls-context)
(exchange-keys tls-context)
(verify-server-certificates tls-context)
(finalize-handshake tls-context))
(defun send-client-hello (tls-context)
;; Send initial hello message from client
...
(defun receive-server-hello (tls-context)
;; Handle server's hello response
...
(defun exchange-keys (tls-context)
;; Perform key exchange for session encryption
...
(defun verify-server-certificates (tls-context)
;; Validate the server's SSL certificate
...
(defun finalize-handshake (tls-context)
;; Complete the handshake and establish a secure connection
...