CertFetcher

ndn_security::cert_fetcher

Struct CertFetcher 

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pub struct CertFetcher { /* private fields */ }
Expand description

Fetches certificates over NDN with deduplication and caching.

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impl CertFetcher

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pub fn new( cert_cache: Arc<CertCache>, fetch_fn: FetchFn, timeout: Duration, ) -> Self

Create a new fetcher.

fetch_fn is called to express an Interest and return the Data response. It is typically wired to an AppHandle in the engine.

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pub async fn fetch( &self, cert_name: &Arc<Name>, ) -> Result<Certificate, TrustError>

Fetch a certificate by name.

Returns immediately if the cert is already cached. Otherwise, expresses an Interest, decodes the response, and caches it. Concurrent requests for the same name are deduplicated (only one Interest is sent).

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