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README: update the paragraph about firmware downloading and extracting

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Marco Trevisan (Treviño) 2020-06-10 14:22:22 +02:00
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README.md
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@ -3,22 +3,21 @@ Validity fingerprint sensor library.
Originally designed to capture some of my findings for 138a:0097, but if you manage to get it working for some other Validity sensor - pull requests are welcome. Originally designed to capture some of my findings for 138a:0097, but if you manage to get it working for some other Validity sensor - pull requests are welcome.
## Setting up ## Setting up
Use Wine to extract [official Lenovo device driver](https://support.lenovo.com/es/es/downloads/DS120491) (also [part of the SCCM package](https://support.lenovo.com/ec/th/downloads/DS112113)). The only reason you need to do this is to find `6_07f_lenovo_mis.xpfwext` and copy it to this project location.
You can just install that .exe and your file will be in `$WINEPREFIX/drive_c/DRIVERS/WIN/FPR/WBF_Drivers/6_07f_Lenovo.xpfwext` in case you use the device driver, or in
`$WINEPREFIX/drive_c/DRIVERS/SCCM/tp_t460s_*/*/Security/MT7FP22W/6_07f_Lenovo.xpfwext` if you used the SCCM package.
Otherwise just use [innounp](https://sourceforge.net/projects/innounp/files/latest/download) and extract the exe file (`n1cgn08w.exe` in the device driver case or `tp_t460s_*.exe` in the SSCM one) with a command such as:
WINEPREFIX=$XDG_RUNTIME_DIR/tmpwine wine ./innounp.exe -x -e n1cgn08w.exe 6_07f_Lenovo.xpfwext
This file contains firmware and without it the pairing wont work. You will not need wine after this.
To install Python dependencies run To install Python dependencies run
``` ```
$ pip3 install -r requirements.txt $ pip3 install -r requirements.txt
``` ```
## Getting the firmware
It's possible to just extract [official Lenovo device driver for vfs0097](https://support.lenovo.com/us/en/downloads/DS121407) or [driver for vfs0090](https://support.lenovo.com/us/en/downloads/DS120491) (also [part of the SCCM package](https://support.lenovo.com/ec/th/downloads/DS112113) using [innoextract](https://constexpr.org/innoextract/) (available for all the distros), or `wine`.
The only reason you need to do this is to find `6_07f_lenovo_mis.xpfwext` (for vfs0097) or `6_07f_Lenovo.xpfwext` (for vfs0090) and copy it to this project location.
innoextract n1mgf03w.exe -e -I 6_07f_lenovo_mis.xpfwext # vfs0097
innoextract n1cgn08w.exe -e -I 6_07f_Lenovo.xpfwext # vfs0090
## Factory reset ## Factory reset
If your device was previously paired with another OS or computer, you need to do a factory reset. If your device was previously paired with another OS or computer, you need to do a factory reset.
This will erase all fingers from the internal database and make the device ready for pairing. This will erase all fingers from the internal database and make the device ready for pairing.