May 2021 – Entity Authentication – TLS Cryptography In-Depth

by Renetta Small
0

Handshake protocol 2 – Transport Layer Security at a Glance

The ClientHello and ServerHello messages contain information to establish a shared secret, the handshake secret. If DHE or ECDHE key agreement is used, the ServerHello message includes the key˙share TLS extension with Alice’s secret Diffie-Hellman share. Moreover, Alice’s share must be from the same group as one of the shares presented by Bob. If, on…

by Renetta Small
0

Handshake protocol – Transport Layer Security at a Glance

6.6.1 Handshake protocol As in the earlier versions, the TLS handshake protocol allows Alice and Bob to agree on shared secret keys and corresponding symmetric cipher algorithms for establishing a secure channel. It supports three types of key exchange: The TLS handshake is performed when the client and the server communicate for the first time….