Re: [docs-and-reports] Should we include a mitigation for running coordinators across multiple cloud providers? (#21)

My concern here would be if an attacker controls the cloud provider and the first/delegated party, and all coordinators run on that cloud provider, the attacker can construct the entire private key and decrypt the data.

As for getting the key into the TEE, I believe we are assuming a secure communication channel between the coordinator and the TEE (i.e. the TEE has an internal private key with an externally known public key, allowing the coordinator to send in encrypted data that even the TEE operator couldn't see.)

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Received on Friday, 21 October 2022 19:45:33 UTC