上海大字 SHANGH AI JIAO TONG INTVEANTY TLS Handshake Layer Nmnl The transport layer Security (tls) handshake Protocol is responsible for the authentication and key exchange necessary to establish or resume sessions When establishing a secure session, the handshake protocol manages the following Cipher suit negotiation Authentication of the server and optionally, the client Session key information exchange▪ The Transport Layer Security (TLS) Handshake Protocol is responsible for the authentication and key exchange necessary to establish or resume sessions. When establishing a secure session, the Handshake Protocol manages the following: ▪ Cipher suit negotiation ▪ Authentication of the server and optionally, the client ▪ Session key information exchange TLS Handshake Layer