CodeSampleX

Sample

iterate NSS root certificates and construct x509 cert pool with constraints using bundle.Roots

sha256:491942f7d1bcf34d6faf7db61d74eeed66af97fcd3de6e90d7b05fe52c3e1cc7

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 go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f…		 2026-08-28

Case

HOW
Goal
iterate NSS root certificates and construct x509 cert pool with constraints using bundle.Roots
Packages
Symbols
  • golang.org/x/crypto/x509roots/fallback/bundle.Roots
Created
2026-08-28T11:49:33Z

Contract

  1. Iterating over bundle.Roots() yields embedded NSS root certificates with non-empty DER byte slices.
  2. Each DER-encoded root certificate parses into a valid x509.Certificate with non-empty subject metadata.
  3. Root certificates can be populated into an x509.CertPool, using AddCert for unconstrained roots and AddCertWithConstraint when custom constraints are present.
  4. An x509.CertPool constructed from bundle.Roots successfully rejects certificates not anchored by the NSS root trust bundle.

Files

  • NOTES.md
  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • main.go
  • main_test.go
  • spec.json

Download the source artifact (tar.gz)

Origin Seeder

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