上海大字 SHANGH AI JIAO TONG INTVEANTY TLS Record Layer Nmnl The transport Layer Security (tls record protocol secures application data using the keys created during the Handshake The record protocol is responsible for securing application data and verifying its integrity and origin. It manages the following Dividing outgoing messages into manageable blocks, and reassembling incoming messages Compressing outgoing blocks and decomposing incoming blocks (optional) Applying a Message Authentication Code(mac) to outgoing messages, and verifying incoming using the MAc Encrypting outgoing messages and decrypting incoming messages▪ The Transport Layer Security (TLS) Record protocol secures application data using the keys created during the Handshake. The Record Protocol is responsible for securing application data and verifying its integrity and origin. It manages the following: ▪ Dividing outgoing messages into manageable blocks, and reassembling incoming messages. ▪ Compressing outgoing blocks and decomposing incoming blocks (optional). ▪ Applying a Message Authentication Code (MAC) to outgoing messages, and verifying incoming using the MAC. ▪ Encrypting outgoing messages and decrypting incoming messages. TLS Record Layer