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Response Certification

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Verify that query responses from canisters are authentic. Cover client-side certificate verification using @icp-sdk/core, the service worker approach for transparent verification, and how the asset canister handles certification automatically. Explain when you need custom certification vs when the asset canister handles it.

  • guides/backends/certified-variables — server-side implementation
  • concepts/security — why certification matters
  • reference/http-gateway-spec — how boundary nodes verify