CodeSampleX

Sample

Sign and verify compact JWS with CompactSign and compactVerify in jose

sha256:f0055e6757de9ed8a97ad948b61220493c19f7ec36e064e313d91c41476c8dfc

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-26

Case

HOW
Goal
Sign and verify compact JWS with CompactSign and compactVerify in jose
Packages
Symbols
  • CompactSign
  • compactVerify
Created
2026-08-26T07:46:56Z

Contract

  1. CompactSign signs binary Uint8Array payload with HS256 and compactVerify resolves to raw Uint8Array payload and protected header
  2. CompactSign constructor rejects non-Uint8Array payload such as string or object with TypeError
  3. CompactSign sign rejects with JWSInvalid when sign is called before setProtectedHeader
  4. CompactSign and compactVerify reject string secret keys with TypeError requiring CryptoKey, KeyObject, JSON Web Key, or Uint8Array
  5. compactVerify rejects incorrect key or tampered payload with JWSSignatureVerificationFailed
  6. compactVerify rejects malformed compact JWS strings with JWSInvalid
  7. compactVerify rejects algorithms not in allowed algorithms list with JOSEAlgNotAllowed
  8. CompactSign and compactVerify support asymmetric signing and verification with ES256 ECDSA key pair
  9. compactVerify supports dynamic key resolution via key resolver callback function

Files

  • NOTES.md
  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Origin Seeder

anonymous