Sigstore is an open source project for improving software supply chain security
18 hours ago
- #software-security
- #supply-chain
- #open-source
- Sigstore is an open source project for enhancing software supply chain security through cryptographic signing and verification of artifacts.
- It eliminates the need for managing long-lived keys by using ephemeral keys, with signing events recorded in a tamper-resistant public log (Rekor) for auditing.
- The project addresses weaknesses in traditional signing, such as identity verification and key management, by associating signatures with identities via a certificate authority (Fulcio).
- Key components include Cosign for signing, Fulcio for identity binding, and Rekor for transparency logging, all verified using Sigstore's root of trust.
- It offers convenience, automation through CI tooling, and improved security, making it free and open source under the OpenSSF with contributions from major organizations.
- Usage involves installing a client, with guides for quick starts, signing blobs and containers, verification, and integrating into CI systems, supported by community-maintained documentation.