Flatsonar

JSignPdf

by JSignPdf Project

Add digital signatures to PDF documents

Dangerous permissions Verified creator MPL-2.0 AND LGPL-2.1-only v3.1.0
Screenshot 1 of JSignPdf Screenshot 2 of JSignPdf Screenshot 3 of JSignPdf

About

JSignPdf is a free, open source application that adds digital signatures to PDF documents. It supports visible and hidden signatures, certificate levels, timestamping, and batch processing from the command line.

Features:

  • Visible and hidden digital signatures
  • Certificate levels and timestamping (TSA)
  • PDF encryption and rights management
  • Certificate revocation checks (CRL, OCSP)
  • Command-line batch processing
  • PKCS#11 hardware token support

Permissions

3 permissions weaken the sandbox. Flatsonar asks before installing.

  • all devices (/dev): webcams, disks, raw hardware
    --device=all
  • smart card readers
    --socket=pcsc
  • X11 display: X11 lets apps read input and windows of other apps
    --socket=x11
  • inter-process communication (needed for X11)
    --share=ipc
  • network
    --share=network

Who publishes this

The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.

  • verified on Flathub: the developer proved they control this app id
    publisher:flathub

Maintenance

Recent activity on the upstream repository, or built and reviewed by Flathub.

No staleness signals: recent activity, or built and reviewed by Flathub.