[fprint] Planned SDCP support in libfprint

[Benjamin Berg]

Hi,

just a heads up that I have started doing work on adding support for
the Secure Device Connection Protocol (SDCP)[1] as designed by
Microsoft.

I do not know whether there are currently devices out there that can
already be supported with an SDCP implementation in libfprint. However,
I am pretty sure that various vendors can and will support SDCP in
their devices in the future. And this should make it really simple for
them to write libfprint drivers for these match-on-chip sensors.

Hopefully we'll see more contributions from vendors looking forward,
both improving libfprint and contributing drivers.

Please follow
  https://gitlab.freedesktop.org/libfprint/libfprint/-/issues/257
and the corresponding MR (which may be re-created) if you are
interested.

Benjamin

[1] 
https://github.com/Microsoft/SecureDeviceConnectionProtocol/wiki/Secure-Device-Connection-Protocol
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