上海大字 SHANGH AI JIAO TONG INTVEANTY Attacks methods Nmnl Privacy The connection is private (or secure) because symmetric cryptography is used to encrypt the data transmitted. The keys for this symmetric encryption are generated uniquely for each connection and are based on a shared secret negotiated at the start of the session Identification The identity of the communicating parties can be authenticated using public-key cryptography. This authentication can be made optional but is generally required for at least one of the parties( typically the server)▪ Privacy ▪ The connection is private (or secure) because symmetric cryptography is used to encrypt the data transmitted. The keys for this symmetric encryption are generated uniquely for each connection and are based on a shared secret negotiated at the start of the session. ▪ Identification ▪ The identity of the communicating parties can be authenticated using public-key cryptography. This authentication can be made optional, but is generally required for at least one of the parties (typically the server). Attacks & Methods