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Full detail: Where this data comes from
TUF is a CNCF graduated framework for securing software update systems. It provides a specification for how software repositories should be structured and how clients should verify updates, protecting against key compromise, rollback attacks, freeze attacks, and mix-and-match attacks. TUF is used by PyPI, Sigstore, and many other software distribution systems.
Website: https://theupdateframework.io
APIs.yml: https://raw.githubusercontent.com/api-evangelist/tuf/refs/heads/main/apis.yml
- Type: Index
- Position: Consuming
- Access: 3rd-Party
- CNCF
- Cloud Native
- Graduated
- Security
- Software Supply Chain
- Software Updates
- Verification
- TUF Spec: https://theupdateframework.github.io/specification/latest/
- GitHub: https://github.com/theupdateframework/specification
| Language | Repository | Package |
|---|---|---|
| Python (reference) | theupdateframework/python-tuf | PyPI: tuf |
| Go | theupdateframework/go-tuf | — |
| JavaScript | theupdateframework/tuf-js | — |
| Rust | theupdateframework/rust-tuf | — |
| Tool | Description |
|---|---|
| tuf-on-ci | TUF repository signing via CI/CD |
| tuf-conformance | Client conformance test suite |
| File | Description |
|---|---|
| json-schema/tuf-root-metadata-schema.json | Root metadata schema (trust anchor) |
| json-schema/tuf-targets-metadata-schema.json | Targets metadata schema (file inventory) |
| json-schema/tuf-snapshot-metadata-schema.json | Snapshot metadata schema (consistency) |
| json-schema/tuf-timestamp-metadata-schema.json | Timestamp metadata schema (freshness) |
| File | Description |
|---|---|
| json-structure/tuf-root-metadata-structure.json | Root metadata field structure |
| json-structure/tuf-targets-metadata-structure.json | Targets metadata field structure |
| File | Description |
|---|---|
| json-ld/tuf-context.jsonld | Linked data context for TUF metadata types |
| File | Description |
|---|---|
| examples/tuf-root-metadata-example.json | Example root.json metadata file |
| examples/tuf-targets-metadata-example.json | Example targets.json with software packages |
| examples/tuf-python-client-usage-example.json | Using python-tuf ngclient for updates |
| File | Description |
|---|---|
| vocabulary/tuf-vocabulary.yml | TUF domain vocabulary and attack protection concepts |
TUF is a CNCF graduated project: https://www.cncf.io/projects/the-update-framework-tuf/
- Created: 2026-03-16
- Modified: 2026-05-03
FN: Kin Lane
Email: kin@apievangelist.com