- Rajesh Soundararajan
- July 27, 2021 - 6 min read
Why NABL Mandated QR Codes for Document Security
When National Accreditation Board For Testing And Calibration Laboratories (NABL) issued a notification on consecutive days on May 18 and May 19, first for test reports and calibration certificates and then for Medical lab reports to carry QR codes, it shouldn’t have come as a surprise to those who have been following the document security space. NABL has notified that QR code is mandatory on all test report certificates issued by laboratories and testing agencies.
- Rajesh Soundararajan
- July 20, 2021 - 4 min read
Hybrids in QR Code – a reality with HDC
In our last article, Solved: Ability to include Photographs in Secure PDC QR codes, we spoke about how the PDC vs EDC debate takes a new turn with the ability to include photographs. We also touched upon how PDC or Primary Data Code is a self-contained QR code with textual data and can be verified offline. We mentioned how EDC or Extended Data Code is used for images and files. Since these are larger, they are not stored inside the QR code but stored as encrypted blobs in storage (like AWS S3 or Azure Blob Storage) and fetched and decrypted using the key in the QR code.
- Rajesh Soundararajan
- July 13, 2021 - 5 min read
What! 1,00,000 fake COVID-19 test certificates that went undetected?
Uttarakhand is a tiny hill state in North India with a population just about the size of Sweden. It attracts almost a fifth of its population as tourists over four weeks, usually during the Kumbh Mela. The Kumbh Mela is extremely popular amongst the people of India and happens at defined intervals as per a religious calendar. Millions converge from all over the country for a holy dip in the River Ganges.
- Nikhil Jhingan
- July 6, 2021 - 3 min read
Digital Signing Certificate Management for generating EU Digital COVID Certificates
Overview Qryptal Secure Code System (QSCS) can generate many types of secure codes including Digital COVID Certificates, earlier known as Digital Green Certificates (DGC). DCC is a new open standard published by the EU Digital COVID Certificates (EUDCC) project. It is meant to issue three types of certificates: a) Vaccination Certificates (‘v’): for vaccinated people to receive proof of vaccination. b) Recovery Certificates (‘r’): some countries have established specific travel rules for people that have recently recovered from the COVID-19 disease.
- Rajesh Soundararajan
- July 3, 2021 - 5 min read
Solved: Ability to include Photographs in Secure PDC QR codes
One of the crucial decisions to be made while implementing QR code-based security in documents is the PDC vs EDC decision. Very simply - PDC or Primary Data Code is a self-contained QR code that contains textual data and can be verified offline. EDC or Extended Data Code can have images and files, but since these are bigger, they are not stored inside the QR code itself but stored as encrypted blobs in storage (like AWS) and fetched using the key in the QR code.
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