QR Scanner

about

description

QR Codes become more and more important. In some areas they have even replaced the traditional barcode. A QR Code is able to store up to seven thousand characters and therefore is qualified for more complex content, e.g. vCards. Hence nowadays QR Codes can nowadays be found on nearly every advertisement poster and animate the user to scan it with his smartphone. Thus, it is no longer necessary take a hand written note, it is enough to scan the QR Code. Correspondingly, there are already many QR Code scanner apps available in the Google Play Store. It belongs to the Privacy Friendly Apps group developed by the research group SECUSO at Technische Universität Darmstadt. More information can be found an secuso.org/pfa Our Privacy Friendly QR Scanner App differs with respect to two aspects: 1. The Privacy Friendly QR Scanner App only requires the minimum amount of permissions, namely: Most of the QR Code scanner apps available in the Google Play Store need several permissions on top of the ones needed: e.g. reading contacts or your call log and retrieving data from the Internet. Most of these requirements are not necessary for the functionality they actually are supposed to provide. 2. The Privacy Friendly QR Scanner App supports its users in detecting malicious links: QR Codes provide new possibilities for an attacker, as QR Codes can contain malicious links, i.e. links to phishing webpages or webpages from which malware would automatically be downloaded. Therefore it is important to carefully check the link before accessing the corresponding webpage. Since it is difficult for the user to spot malicious links, the Privacy friendly QR Scanner App supports the user by highlighting the domain (e.g. in that case for https://www.secuso.org, secuso.org would be highlighted). To avoid not checking the link and in particular the highlighted domain carefully, the app provides information about possible fraud and its users need to confirm that they checked the link and it is trustworthy. Note, the information shown after scanning an URL based QR Code is not customized for every URL. Hence, it should be considered as an advice for the user how to behave in general. The Privacy Friendly QR Scanner App supports most of the usual qr code types. Bar codes and other widely used codes are also supported. The app belongs to the group of privacy friendly apps, that are developed by the SECUSO research group. More information can be found at https://secuso.org/pfa You can reach us via BlueSky - https://bsky.app/profile/secusoresearch.bsky.social Mastodon - @SECUSO_Research@bawü.social https://xn--baw-joa.social/@SECUSO_Research/ Job opening - https://secuso.aifb.kit.edu/english/Job_Offers.php

publisher

78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d

first seen

2026-10-08T22:56:34.280589+00:00

last event

2026-02-09 07:19 UTC

install

zapstore.dev or any Zapstore-compatible client

source & build

repository

https://github.com/secuso/privacy-friendly-qr-scanner

arch flags

android-arm64-v8a

manifest

missing

releases (kind 30063)

1 release indexed; latest 4.6.19.

assets & verification

Every app, release and asset event is schnorr-verified (NIP-01 id + signature) before it enters the catalog, and assets are content-addressed by sha256. We subscribe read-only to the catalog relay — never write to it.

4.6.19 — pfa-qr-scanner-release-v4.6.19.apk

sha256

f0f5bc0d6aae419e8c0490c93ad6c024adc6cdc8eafd4bc8918056393bc7622d

size

7.0 MB

archs

android-arm64-v8a

version code

102

apk cert sha256

466d66dc058f73043e5e9bdd5606fdaec19d8f80c47f44c1807d65775d735c3f

download

pfa-qr-scanner-release-v4.6.19.apk

Showing the newest 1 asset descriptor; the full set is in /api/apps/78ce6faa…