A simple and easy tool to perform a basic check of NPNT/ Digital Sky compliance. The App is a checklist to verify basic NPNT work and is limited to NPNT verification, PA, PIN check and Flight log signature Verification.
The test is designed to be a double blind experiment to verify NPNT compliance. The app generates permission artefacts for a specific location (subject to DGCA testing place approval). The application generates various permission artefacts for assessment in a random order. Both the applicant and the testing authority are unaware of which permission artefacts are intended to pass or fail.
This double blind test ensures that the following are checked:
- Incorrect Geofence check
- Incorrect time limits check
- Bad Pilot PIN check
- Spurious permission artefact check
- Valid Permission artefact check
These five test scenarios are the ones which will be tested by the applicant. After the observations of the RPAS behavior on all the scenarios are recorded, the applicant proceeds to check the flight log generation. The Flight log is generated on breaching the geofence set by a valid permission artefact. The Digital signature of the Flight log is then verified against the public key of the drone.
The app is written in python 3.6. To run the app, download the repo or clone the repository using
git clone https://github.com/iSPIRT/NPNT-Provisional-testing-tool.git
install the requirements
pip install -r requirements.txt
Run the app
python npnt_testing_app.py
sign the unsigned_Flight_Log.json in the tests directory using the sample
keypair provided. In this case - sample_key_private.pem
from helpers import sign_log
sign_log("tests/unsigned_Flight_Log.json" , "tests/sample_key_private.pem")This will generate a signed log in the same directory. You can verify the signature using
from helpers import verify_flight_log_signature
result = verify_flight_log_signature("tests/unsigned_Flight_Log-signed.json", "tests/sample_key_public.pem")simple as that!