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OKC (Opportunistic Key Caching) support #547

@FabioPedretti

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@FabioPedretti

Hi, can you please consider adding OKC (Opportunistic Key Caching) support detection? It's a similar system of 802.11r which is already detected by WiFiAnalyzer.

Note that some networks have 802.11r disabled because it has critical issues with some bugged devices, while OKC usually doesn't have such issues.

From Aruba: OKC is a technique available for authentication between multiple APs in a network where those APs are under common administrative control. Using OKC, a station roaming to any AP in the network will not have to complete a full authentication exchange, but will instead just perform the 4-way handshake to establish transient encryption keys.

From Cisco: Opportunistic Key Caching (OKC) is an enhancement of the WPA2 Pairwise Master Key ID (PMKID) caching
method, which is why it is also named Proactive or Opportunistic PMKID Caching. Just like PMKID caching,
OKC works with WPA2-EAP.

Thanks!

feature report template:

Please search issues (open and closed) to see the issues has already been reported.
Never reported before.

Is your feature request related to a problem? Please describe.
OKC (Opportunistic Key Caching) support is not detected.

Describe the solution you'd like
Add OKC support detection, similarly to 802.11r already added in #459.

Describe alternatives you've considered
I see no alternatives.

How I can help
Add OKC support detection.

Additional context
n/a.

Provide Device/Android OS information
n/a.

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