This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Software Signing Software Signing Software Signing Software Signing Software Signing Software Signing Software Signing Software Signing Software Signing Why Sign Software? Software signing verifies the origin and integrity of code. It ensures that artifacts haven't been tampered with and come from a trusted source. GPG Signing Traditional signing with PGP/GPG: Generate GPG key gpg --full-generate-key gpg --armor --export " developer@example.com " > public.key Sign artifacts gpg --armor --detach-sign myapp.tar.gz gpg --verify myapp.tar.gz.asc myapp.tar.gz Sign git commits git config commit.gpgsign true git config user.signingkey KEY_ID git commit -S -m "Signed commit" Programmatic GPG verification import gnupg def verify_signature(artifact, signature_file): gpg = gnupg.GPG() with open(signature_file, "rb") as sf: verified = gpg.verify_file(sf, artifact) if…