FetchAugmentedChain retrieves an AugmentedChain from url.

ReadAugmentedChainFile reads an application/cert-chain+cbor file to retrieve an AugmentedChain.

ReadCertificateRequestFile reads a PEM file and returns a Certificate Request.

ReadOCSPRespFile reads a DER file to retrieve an OCSPResponse, using certchain.ParseOCSPResponse.

ReadPrivateKeyFile reads a PEM file and returns a PrivateKey usable for signing exchanges.

ReadRawChainFile reads a PEM file to retrieve a RawChain.

WrapToCertFetcher wraps an AugmentedChain into a signedexchange.CertFetcher.