Posts from November 2024
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Investigating a historical Android anti-root protection system
This article concerns a specialised Android app used as part of a proprietary authentication protocol, developed in the late 2010s. Given the intended use case, the app features a number of aggressive security measures – the app uses FLAG_SECURE and does not run when developer… »
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GIMP 3.0 plug-in for exporting JBIG2-encoded PDF files
JBIG2 is an efficient image compression format for bi-level (bi-tonal) images, which is supported by the PDF file format and common PDF viewers, but which lacks widely available tooling for its generation. GIMP is an open-source image editing suite, which has the capacity to output… »