Questions tagged [qr-code]

A quick response code, or QR code, is a type of matrix barcode which stores data as square black markings within a square layout that should be readable by any computing device capable of imaging.

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Using a GUID as an authentication token (and how it could be improved)

I'm implementing a Whatsapp Web-like feature for my Android application. User should be able to open an HTTPS web application that displays a QR code (a GUID generated by the server) and scan it using ...
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433 views

How does Signal desktop app mitigate QR code login hijacking?

I am trying to implement linking of the desktop app to the mobile counterpart for my project. The assumption is that the mobile app is secure and the desktop app simply needs to link the session to ...
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How to secure unique identification of physical resources in a distributed system?

I'm attempting to build a mechanism to prevent frauds and provide traceability of physical resources in a distributed system. The idea is straightforward: the resource travels hop-by-hop on a network ...
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Security of SQRC QR codes

I'm currently testing an application which uses QR codes to identify products. Now if I scan the QR code with any reader and generate a new QR code with the read text, it differs from the original QR ...
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137 views

Reduce the risk of QRLJacking

I am currently working on a personal project to facilitate the connection of users to a private interface using a mobile application and a QR Code. Steps: Users download an application and log in ...
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SQRC use to verify e-delivered certificate

I have a need to provide a means of validating a certificate that is e-delivered. My thought is to use an SQRC to enable that verification by linking to a secure site that contains the original ...