covid19/CovidBracelet
covid19/CovidBracelet
1
0
Fork 0
mirror of https://github.com/CovidBraceletPrj/CovidBracelet.git synced 2024-12-05 00:55:43 +01:00
Code Releases Activity

Update readme

Browse Source
This commit is contained in:
Hendrik Sauer 2021-12-08 17:57:34 +01:00 committed by Patrick Rathje
parent 152fc4fb7e
commit 0b9378716d
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
README.md
View File

@ -54,6 +54,9 @@ The devices need to be initialized:
* Get infections from DB, Check their signatures
* Secure GATT services and authentication of base statation in general
* Read keys form national databases
* Functions to extract keys from googles official [exposure key export file format](https://developers.google.com/android/exposure-notifications/exposure-key-file-format) are already implemented
* For full integration the keys have to be downloaded from the national servers (due to limited memory an intermediate server which provides small batches of keys is advised)
* Also the keys have to checked against the stored contacts (for this the `process_key`-function in `extract_keys.c` has to be implemented)
### Extract Keys from Device
In case of an infection, the keys need to be extracted from the device:
@ -91,3 +94,9 @@ It can be tested on POSIX-compliant platforms by building it with the `zephyr/bu
SDL must be installed to provide a virtual display.
![No risk contacts](img/display_no_risk.png) ![Low risk](img/display_low_risk.png) ![High risk](img/display_high_risk.png)
## Exposure Key Extraction
Exposure keys can be unpacked from their protocol buffer.
The unpacking can be tested, by setting the `TEST_UNPACK_KEYS=y` and `TEST_UNPACK_KEYS_N=n` config variables.
The test will run first thing at startup and output the time, it took unpacking and iterating over the keys.