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Quote provider

For remote attestation, both the attester and the verifier expect a quote provider to be installed on the system. If no quote provider can be found, you will see the OE_QUOTE_PROVIDER_LOAD_ERROR error. The required quote provider depends on your environment.

Azure

Install the Azure DCAP client:

wget -qO- https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add
sudo add-apt-repository "deb [arch=amd64] https://packages.microsoft.com/ubuntu/`lsb_release -rs`/prod `lsb_release -cs` main"
sudo apt install az-dcap-client

On-premises or other cloud

If the enclave app runs on-premises or on another cloud that doesn’t provide its own attestation infrastructure, follow the guide from Open Enclave to set up the required services.