A TLS session is using a cipher suite which has “_SHA” as it…

A TLS session is using a cipher suite which has “_SHA” as its last four characters.  Explain how a message from the browser to the server will be authenticated, as discussed in this course. Be sure to explain any key(s) used in the authentication process.  Note: Do not explain the workings of the authentication algorithm.  This question is about the use of that algorithm within TLS.