Hi, it has a while and I had the project put to the side. However, I came back to it recently and made quite some progress.
The MR is: https://gitlab.freedesktop.org/libfprint/libfprint/-/merge_requests/146 The SDCP support class seems to be mostly working. The only major issue that I am aware of is that the certificate validation is not tested and likely does not work. In particular, it is not clear to me which root CA will be used by actual devices or whether we need to distribute this in some way. Other than that, there are likely some rough edges in the API. I would really welcome feedback about the API. If there is anything you feel is done in a bad way, then I am happy to reconsider the design and make changes. You can find the current documentation here: https://gitlab.freedesktop.org/libfprint/libfprint/-/jobs/artifacts/feature/sdcp/file/_build/doc/html/libfprint-2-Internal-FpSdcpDevice.html?job=build After all, I want it to be easy to write drivers but can only test it against a dumb virtual device without knowledge about the actual wire protocols that are used. Please reach out to me if you work on a driver and I will do my best to help. As I said, I do expect a few issues and room for improvement, so any feed back is explicitly welcome. Benjamin On Tue, 2020-05-12 at 13:45 +0200, Benjamin Berg wrote: > 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 > _______________________________________________ > fprint mailing list > fprint@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/fprint
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