Comment fonctionne un QR code ? Ça se falsifie ?

What's really in QR codes?

All the information given in this video does not make it possible to generate fake health/vaccination passes. The best way to get a health passport is to get vaccinated. Go for it, it's free!

My Sci+ channel: sciplus
The "Science & the Media" series: Sciences & Médias

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CREDITS
Proofreading: Pierre Kerner, Manuel Vonthron
Computer help: Manuel Vonthron
Editing: Marina Quenan
Subtitles: Marianne Lalande

RESOURCES TO DECODE THE QR CODE
- High-resolution code link: https://www.dropbox.com/s/o3dyhg44j6w...
- The first character is not part of the message.
- Here are some things that should help you: https://www.dropbox.com/s/6lqugkb9nue...
FYI, it took me a good 2 hours to decode it by hand but the mask model I had taken contained an error. With the help elements that I have given you, you should be able to get out of it in 30min. The longest thing is to find a technical way to apply the mask effectively (I advise you to use drawing software that allows you to have layers and not paper/pencil)
- Convert your binary to letters/numbers: http://www.unit-conversion.info/textt...

MISCELLANEOUS RESOURCES
- Wikipedia, to read first before diving into the world of QR codes: https://fr.wikipedia.org/wiki/Code_QR
- To have all the details of the QR codes without exception, you have to read the corresponding ISO standard ($): ISO/IEC 18004-2015. It's pretty clear as a standard to read (after that, it's not a novel, don't expect to mess around)
- Decode a QR code by eye: How QR Codes Are Built
- Generate a QR code on the internet (when you want to have control over lots of details): https://keremerkan.net/qr-code-and-2d...
- Generate a QR code on the internet without taking the lead: goqr.me/
- Learn more about how the error correction is generated: en.wikiversity.org/wiki/Reed–Solomon_codes_for_coders
- Read the raw content of a QR code: https://zxing.org/w/decode.jspx
- The correspondence table that you see me using: https://www.ascii-code.com/
- Architecture of the European health pass: https://www.evernym.com/blog/eu-digit...
- The code to analyze the European pass:
https://hackernoon.com/how-to-decode-...
- The code to analyze the Quebec pass:
https://github.com/marcan2020/shc-dec...
- Technical specifications of the European pass: ec.europa.eu/health/system/files/2021-04/digital-green-certificates_v2_en_0.pdf
- Understand the codes used in the European pass:
http://ec.europa.eu/health/system/fil...
http://ec.europa.eu/health/system/fil...

- QR code forgery - city parking: http://arstechnica.com/tech-policy/20... /
- Falsification of health passes directly at the source: https://www.lapresse.ca/covid-19/2022... and-their-security-was-so-poor.php
- Vaccine QR code safety review: https://theconversation.com/many-vacc...
- The Quebec QR code has not been hacked: https://montreal.ctvnews.ca/hackers-c... secure-1.5525677
- Up to $3,000 for a fake pass: https://ici.radio-canada.ca/nouvelle/...
- Stratagems to validate fake passes: https://www.lapresse.ca/covid-19/2021...

Other well-made videos on QR codes:
What Are Those Other Weird QR Codes?
The Story of the QR Code - What is a ...

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