Secure Socket Layer Transport Layer Security
Secure Socket Layer Transport Layer Security
Secure Socket Layer Transport Layer Security
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SSL State Information<br />
SSL session is stateful : SSL protocol must<br />
initialize and maintain session state information on<br />
either side of the session<br />
SSL run over TCP (not suitable for UDP)<br />
SSL session can be used for several connections :<br />
Connection state information<br />
SSL Connection State Variables<br />
Master Secret (shared key)<br />
Unique to each connection<br />
Server and client sequence numbers<br />
Server_random,<br />
Server_random,<br />
client_random:<br />
client_random:<br />
32 bytes<br />
Unique to each connection, selected by server and client<br />
Cryptographic keys, keys,<br />
Initialization Vectors (IV)<br />
Derived from Master Secret using a Pseudo-Random<br />
Pseudo Random<br />
Function (PRF)<br />
What’s What s a PRF and how we use it?
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