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security: verify update manifests before parsing payloads - #222
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turinglambdaai wants to merge 1 commit into
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Closes #221.
Authenticates the exact payload bytes before the semantic JSON parser sees them. The regression test supplies malformed payload bytes with a well-formed but mismatched Ed25519 signature and requires the cryptographic failure, not a JSON parse diagnostic.
Also documents
ead-signed-manifest as an explicitly unauthenticated inspection API while �erify-signed-manifest remains the runtime trust boundary.
Local evidence:
aco test tests/distribution.rkt — 55 passed