Python library to decode the EU Covid-19 vaccine certificate

Related tags

Miscellaneouspythondcccovid-19
Overview

DCC Utils

Python library to decode the EU Covid-19 vaccine certificate, as specified by the EU.

Latest Version CI Coverage Supported Python versions License Downloads

Setup

pip install dcc-utils

Make sure zbar is installed in your system

  • For Mac OS X, it can be installed via brew install zbar
  • Debian systems via apt install libzbar0. Source
  • Fedora / Red Hat dnf install zbar

Usage

Parse DCC

This library takes an image with a QR code or a raw repr. of a vaccine certificate as the parameter and will show the certificate's content.

from dcc_utils import dcc

dcc_from_img = dcc.from_image("/my/certificate/path")
dcc_from_raw = dcc.from_raw("HC1:6BF...FTPQ3C3F")

Then you can access to payload and kid

assert dcc_from_img.kid == "53FOjX/4aJs="
assert dcc_from_img.payload["v"][0]["ci"] == "URN:UVCI:01:FR:W7V2BE46QSBJ#L"

👉🏻 payload follows EU Digital COVID Certificates JSON Schema Specification

from_image and from_raw methods may rise DCCParsingError

from dcc_utils.exceptions import DCCParsingError

Validate DCC digital signature

signature = b"""
-----BEGIN CERTIFICATE-----
MIIIAjCCBeqgAwIBAgIQAnq8g/T
-----END CERTIFICATE-----
"""
assert my_dcc.check_signature(signature)

check_signature method may rise DCCSignatureError

from dcc_utils.exceptions import DCCSignatureError

Evaluate CertLogic business rules

With dcc-utils you can evaluate business rules against a DCC

from dcc_utils import rule, dcc

my_dcc = dcc.from_image("/my/certificate/path")
my_rule = rule.from_file("/my/rule.json")
print(my_rule.description["en"])
my_rule.evaluate_dcc(my_dcc) # True or False

evaluate_dcc accepts extra variables as a second parameter, e.g. validationClock

import datetime
clock = datetime.datetime(2022, 10, 10, 0, 0, tzinfo=datetime.timezone.utc)
my_rule.evaluate_dcc(
    my_dcc,
    {
        "validationClock": clock,
    },
)

you can also load rules from JSON (from_json), useful to evaluate rules exposed on a server

my_rule = rule.from_json({...})

from_file and from_json method may rise DCCRuleError

from dcc_utils.exceptions import DCCRuleError

Dev setup

Install dependencies using pip:

pip install -r requirements-dev.txt

Run tests

make test

EU Digital COVID Certificate Specifications

What's in a EU Digital COVID/Green Certificate?

Sample data

Digital Green Certificate Gateway (DGCG) samples for all participating countries: https://github.com/eu-digital-green-certificates/dgc-testdata

Credits

Parts of this code are adapted from vacdec project.

License

This library is available under the MIT license.

You might also like...
A Tool to validate domestic New Zealand vaccine passes

Vaccine Validator Tool to validate domestic New Zealand vaccine passes Create a new virtual environment: python3 -m venv ./venv Activate virtual envi

null 8 May 1, 2022
Vaccine for STOP/DJVU ransomware, prevents encryption

STOP/DJVU Ransomware Vaccine Prevents STOP/DJVU Ransomware from encrypting your files. This tool does not prevent the infection itself. STOP ransomwar

Karsten Hahn 16 May 31, 2022
A Python3 script to decode an encoded VBScript file, often seen with a .vbe file extension

vbe-decoder.py Decode one or multiple encoded VBScript files, often seen with a .vbe file extension. Usage usage: vbe-decoder.py [-h] [-o output] file

John Hammond 147 Nov 15, 2022
Encode and decode cancro lang files to and from brainfuck

cancrolang Encode and decode cancro lang files to and from brainfuck. examples python3 main.py -f hello.cancro --run Hello World! the interpreter is n

witer33 1 Dec 20, 2021
Telop - Encode and decode messages using an interpretation of the telegraphic code devised by José María Mathé

telop Telop (TELégrafoÓPtico) - Utilidad para codificar y descodificar mensajes de texto empleando una interpretación del código telegráfico ideado po

Ricardo F. 4 Nov 1, 2022
With the initiation of the COVID vaccination drive across India for all individuals above the age of 18, I wrote a python script which alerts the user regarding open slots in the vicinity!

cowin_notifier With the initiation of the COVID vaccination drive across India for all individuals above the age of 18, I wrote a python script which

null 13 Aug 1, 2021
Simple and easy to use python API for the COVID registration booking system of the math department @ unipd (torre archimede)

Simple and easy to use python API for the COVID registration booking system of the math department @ unipd (torre archimede). This API creates an interface with the official browser, with more useful functionalities.

Guglielmo Camporese 4 Dec 24, 2021
Python NZ COVID Pass Verifier/Generator

Python NZ COVID Pass Verifier/Generator This is quick proof of concept verifier I coded up in a few hours using various libraries to parse and generat

NZ COVID Pass Community 12 Jan 3, 2023
Vaksina - Vaksina COVID QR Validation Checker With Python

Vaksina COVID QR Validation Checker Vaksina is a general purpose library intende

Michael Casadevall 33 Aug 20, 2022
Releases(v0.2.1)
Owner
Developers Italia
Open source code and developers community of the Italian government
Developers Italia
GitHub Repository
It is convenient to quickly import Python packages from the network.

It is convenient to quickly import Python packages from the network.

zmaplex 1 Jan 18, 2022
A visidata plugin for parsing f5 ltm/gtm/audit logs

F5 Log Visidata Plugin This plugin supports the default log format for: /var/log/ltm* /var/log/gtm* /var/log/apm* /var/log/audit* It extracts common l

James Deucker 1 Jan 06, 2022
My HA controller for veg and flower rooms

HAGrowRoom My HA controller for veg and flower rooms I will do my best to keep this updated as I change, add and improve. System heavily uses custom t

4 May 25, 2022
Rock-paper-scissors basic game in terminal with Python

piedra-papel-tijera Juego básico de piedra, papel o tijera en terminal con Python. El juego incluye: Nombre de jugador Número de veces a jugar Resulta

Isaías Flores 1 Dec 14, 2021
Brython (Browser Python) is an implementation of Python 3 running in the browser

brython Brython (Browser Python) is an implementation of Python 3 running in the browser, with an interface to the DOM elements and events. Here is a

5.9k Jan 02, 2023
Ramadhan countdown - Simple daily reminder about upcoming Ramadhan

Ramadhan Countdown Bot Simple bot for displaying daily reminder about Islamic pr

Abdurrahman Shofy Adianto 1 Feb 06, 2022
A jokes python module

Made with Python3 (C) @FayasNoushad Copyright permission under MIT License License - https://github.com/FayasNoushad/Jokes/blob/main/LICENSE Deploy

Fayas Noushad 3 Nov 28, 2021
A beautiful and useful prompt for your shell

A Powerline style prompt for your shell A beautiful and useful prompt generator for Bash, ZSH, Fish, and tcsh: Shows some important details about the

Buck Ryan 6k Jan 08, 2023
Experimental Brawl Stars v36.218 server emulator written in Python.

Brawl Stars v36 Experimental Brawl Stars v36.218 server emulator written in Python. Requirements: Python 3.7 or higher colorama Running the server In

8 Oct 31, 2021
CD for MachineLearnia

Codebase supporting my talk on CI/CD for MachineLearnia (Nov 12 2021) The dataset used is available here. The point of the talk is to demonstrate a si

0 Feb 23, 2022
rTorrent Crash Prevention

rTorrent Disk Checker This program is capable of the following when: - a torrent is added by any program (autodl-irssi, RSS Downloader et

16 Dec 14, 2022
fast_bss_eval is a fast implementation of the bss_eval metrics for the evaluation of blind source separation.

fast_bss_eval Do you have a zillion BSS audio files to process and it is taking days ? Is your simulation never ending ? Fear no more! fast_bss_eval i

Robin Scheibler 99 Dec 13, 2022
Gerador de dafaces

🎴 DefaceGenerator Obs: esse script foi criado com a intenção de ajudar pessoas iniciantes no hacking que ainda não conseguem criar suas próprias defa

LordShinigami 3 Jan 09, 2022
A set of decks and notebooks with exercises for use in a hands-on causal inference tutorial session

intro-to-causal-inference A introduction to causal inference using common tools from the python data stack Table of Contents Getting Started Install g

Roni Kobrosly 15 Dec 07, 2022
Shell scripts made simple 🐚

zxpy Shell scripts made simple 🐚 Inspired by Google's zx, but made much simpler and more accessible using Python. Rationale Bash is cool, and it's ex

Tushar Sadhwani 492 Dec 27, 2022
All Assignments , Test , Quizzes and Exams with solutions from NIT Patna B.Tech CSE 5th Semester.

A 🌟 to repo would be delightful, just do it ✔️ it is inexpensive. All Assignments , Quizzes and Exam papers at one place with clean and elegant solut

LakhanKumawat ᵖ⁺ 16 Dec 05, 2022
A Trace Explorer for Reverse Engineers

Tenet - A Trace Explorer for Reverse Engineers Overview Tenet is an IDA Pro plugin for exploring execution traces. The goal of this plugin is to provi

1k Jan 02, 2023
Push Prometheus metrics to VictoriaMetrics or other exporters

Push metrics from your periodic long-running jobs to existing Prometheus/VictoriaMetrics monitoring system.

olegm 14 Nov 04, 2022
🥦 Send and receive nano with 2 simple functions

easy_nano Send and receive nano (without having to understand the nano protocol).

1 Feb 14, 2022
Traffic flow test platform, especially for reinforcement learning

Traffic Flow Test Platform Traffic flow test platform, especially for reinforcement learning, named TFTP. A traffic signal control framework that can

4 Nov 07, 2022