Coronavirus Pandemic API to decode and verify the digital signature of an European Health Certificate QR-code

This API is decoding a COVID certificate QR and validates the issuer by verifying the digital signature.

COVID certificates are issued in hard copy or electronic format serve as proof of:

1. Vaccination against COVID-19
2. Recovery from Sars-CoV-2 infection
3. A negative result following Sars-CoV-2 test analysis