TLS

Integrates MAC IP to a broad range of PHY and SerDes IP

Overview

Transport Layer Security (TLS) is a cryptographic protocol designed to secure communication over a computer network. It operates between the transport layer (e.g., TCP) and application layer (e.g., HTTP, SMTP), ensuring data integrity, confidentiality, and authentication between communicating applications. TLS evolved from its predecessor, Secure Sockets Layer (SSL), and is widely used to protect sensitive data transmitted over the Internet, including financial transactions, email communication, and sensitive information exchange.

diagram

Features

  • Encryption: TLS provides strong encryption mechanisms (e.g., AES, ChaCha20) to ensure that data transmitted between client and server remains confidential and secure from eavesdropping.
  • Data Integrity: Through the use of cryptographic hash functions and message authentication codes (MACs), TLS ensures that data sent over the network is not tampered with during transmission.
  • Authentication: TLS supports server authentication using digital certificates issued by trusted Certificate Authorities (CAs). Optionally, mutual authentication can be achieved where both client and server authenticate each other, enhancing security.
  • Forward Secrecy: Modern versions of TLS (e.g., TLS 1.3) support forward secrecy, ensuring that session keys are ephemeral and not compromised even if long-term private keys are exposed in the future.
  • Session Resumption: TLS allows clients and servers to resume previously established sessions, reducing connection setup time and improving overall performance without compromising security.

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