Client-server applications use the TLS protocol to communicate across a network in a way designed to prevent eavesdropping and tampering.
Since applications can communicate either with or without TLS (or … 展开

A digital certificate certifies the ownership of a public key by the named subject of the certificate, and indicates certain expected usages of that key. This allows others (relying parties) to rely upon signatures or on assertions made by the private key that corresponds to the … 展开

In applications design, TLS is usually implemented on top of Transport Layer protocols, encrypting all of the protocol-related data of protocols such as HTTP, FTP, 展开

The TLS protocol exchanges records, which encapsulate the data to be exchanged in a specific format (see below). Each record can be compressed, padded, appended with a 展开

Secure Data Network System
The Transport Layer Security Protocol (TLS), together with several other basic network security platforms, was developed through a joint initiative begun in August 1986, among the National Security Agency, the National … 展开

Key exchange or key agreement
Before a client and server can begin to exchange information protected by TLS, they must securely exchange or agree upon an encryption key … 展开

Attacks against TLS/SSL
Significant attacks against TLS/SSL are listed below.
In February 2015, IETF issued an informational RFC summarizing the various known attacks against TLS/SSL.
Renegotiation attack 展开