The article discusses using SSH certificates for signing git commits as a more secure alternative to OpenPGP or X.509 certificates. It highlights how SSH certificates, signed by a trusted authority, can provide better identity verification and mitigate risks from compromised accounts. This approach enhances supply chain security by ensuring code authorship is cryptographically verifiable.
Background
Git supports cryptographic signing of commits and tags using OpenPGP, X.509, or SSH keys to verify authorship, but traditional methods have trust and management challenges. SSH certificates offer a more robust solution by allowing a trusted authority to sign public keys, embedding metadata like principals for better access control.
- Source
- Lobsters
- Published
- Mar 22, 2026 at 05:37 AM
- Score
- 7.0 / 10