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SPIRE

SPIFFE Runtime Environment

Definition

SPIRE is the production-grade implementation of the SPIFFE standard, providing a server and agent architecture that attests workload identity and issues SVIDs (SPIFFE Verifiable Identity Documents). Agents run on each node, attest workloads using platform-specific evidence (kernel attestation, Kubernetes pod metadata), and deliver short-lived credentials.

SPIRE is widely deployed in service mesh and zero-trust environments.


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