Testing interoperability of Visible Digital Seals (VDS) for implementation to Schengen visas
The present technical report summarises the results of a test on implementation and verification of the 2D visible digital seal as it has been specified for use in the Schengen visa. Use of a digitally signed 2d barcode (also called a visible digital seal) for Schengen visas has been introduced with Commission Implementing decision C(2020) 2672 to add cryptography-based security to visa stickers.
A visible digital seals is, in simple words, a 2d barcode which contain a subset of the information printed on the visa sticker. This subset of information is digitally signed by a « barcode signer » authorised by the Country Signing Certificate Authority of the visa issuing country and is represented as a 2D barcode.
This report provides an overview of the content and format of the visible digital seal and tests reading different variations of the 2d barcode with a smartphone app. It then describes the test methodology, the test setup and the test results. Finally concluding remarks and recommendations are provided
RANA Antonia;
CIARDULLI Andrea;
2023-02-01
Publications Office of the European Union
JRC128183
978-92-76-62094-5 (online),
1831-9424 (online),
EUR 31405 EN,
OP KJ-NA-31-405-EN-N (online),
https://publications.jrc.ec.europa.eu/repository/handle/JRC128183,
10.2760/532607 (online),
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