SPWF01Sxxx use modes

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Figure 7. AT commands for mutual authentication

2.5

Protocol version downgrade

The client is able to connect to a server running SSLv3.0 to TLSv1.2 protocol version.

Thanks to the version downgrade capability, the client can use the highest protocol version

supported by the server and eventually downgrade to SSLv3.0 if needed.

2.6

Pseudo random number generator

The SPWF01Sxxx module provides a software-based pseudo random number generator

(PRNG). The PRNG is initialized at boot time and is based on the RC4 stream cipher

algorithm.