[Cryptography] How widely are the PSK modes used?

[Alexander Klimov]

On Thu, 21 Feb 2019, Dmitry Belyavsky wrote:
> Does WPA use TLS? I mostly mean TLS context. Sorry for the lack of 
> clarity.

PSK is rare in web for humans, common in LwM2M (DTLS, actually).

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Regards,
ASK