osslsigncode

osslsigncode 2.14

OpenSSL based Authenticode signing for PE/MSI/Java CAB files.

  • By Michał Trojnara
  • Open Source
  • Updated Jul 20, 2026
Download for Windows

About osslsigncode

osslsigncode is a small tool that implements part of the functionality of the Microsoft tool signtool.exe

What's new in 2.14

2.14 (2026.07.20)
- added comprehensive command documentation in Markdown; man page and HTML
versions are generated when Pandoc is available
- CMake installations now honor standard GNU install directories, include
README and NEWS, and can be uninstalled
- attach-signature now uses digest-only verification instead of full signature
validation; output file is not kept if digest verification fails
- fixed a memory leak when rejecting invalid compressed APPX data

Full release notes »

Technical details

PublisherMichał Trojnara
Version2.14
Release date2026-07-20
LicenseGPL-3.0
Installer typezip
Architecturex64
Package IDMichalTrojnara.osslsigncode

Links & install command

Install osslsigncode from the command line with Windows Package Manager (winget):

winget install --id=MichalTrojnara.osslsigncode -e

Older versions

  • 2.13
  • 2.12