osslsigncode

A command-line tool that adds Authenticode signatures to Windows executables and installers using OpenSSL.

Open source (GPL-3.0-or-later)By Michał Trojnara

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About osslsigncode

osslsigncode signs files with Microsoft Authenticode signatures using OpenSSL instead of Microsoft's signtool. It handles PE executables, CAB, CAT, MSI and APPX packages, and script files, which makes it useful for signing Windows software from build machines and CI pipelines.

It is a command-line program released under the GPL 3.0 or later and is actively maintained.

Strengths

  • Signs PE, CAB, CAT, MSI, APPX and script files
  • Uses OpenSSL rather than Microsoft tooling
  • Suits automated build pipelines
  • Actively maintained

Limitations

  • Command-line only
  • Requires your own code-signing certificate

Details

Pricing
FreeFree and open source under the GPL 3.0 or later.
License
GPL-3.0-or-later
Developer
Michał Trojnara
Platforms
Windows, Command line
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Developers signing Windows binaries and installers in scripts or CI
Last verified
Added

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