This project aims on reverse engineering protocol of Validity 138a:0090, 138a:0094, 138a:0097, 06cb:0081, 06cb:009a fingerprint readers, creating specification and FLOSS libfprint driver.
Main chat of this project:
libfrprint issue: https://gitlab.freedesktop.org/libfprint/libfprint/issues/54
- spec.md - Specification draft, the main work goes here right now.
- dissector.lua - Wireshark dissector for decrypting communication after key exchange.
libfprint directory - libfprint repo with this driver integratedNot ready at the moment.- prototype - Standalone prototype(extremly ugly code, would be completly rewritten for driver)
Prototype testers are needed, please share your result and join us in our Gitter.
| Device | Status |
|---|---|
| 138a:0090 | Scan, Image output, Internal DB check works in prototype. There is also a match-on-host libfprint driver by @3v1n0 based on prototype source(138a:0090 only). You can use it untill proper unified driver is available. |
| 138a:0097 | Scan, Internal DB check works in prototype |
| 138a:0094 | Doesn't work yet, but looks promising. I will try to work on it after 90/97 |
| 06cb:0081 | So far looks identical to 138a:0094 |
| 06cb:009a | Init works, leds work, scan doesn't work yet |
| 138a:0091 | Different protocol, out of scope for this project. Check out Validity91 which aims to reverse engineer it. |
| Task | Specification/Analysis | Prototype | Driver |
|---|---|---|---|
| Initialization | Done | Done | Not Started |
| Configuration/Reconfig | In progress | In progress | Not Started |
| Pre TLS key exchange | In progress | Done | Not Started |
| TLS | Done | Done | Not Started |
| 90: Ops: scan, LED, etc | In progress | Scan, LED works | Not Started |
| 97: Ops: enroll, check, reset, LED, etc | In progress | Check works | Not Started |
| Image format | In progress | Done | Not Started |
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