On: Uber Using Driver Phones as a Backup Datacenter

[ryandrake]

> Have to assume driver phones can be compromised which means the data must be made tamper proof. So all the data is encrypted on the phone.

Their explanation leaves me wanting more. If the phone is compromised, surely the encryption process might also be compromised.

[maxerickson → ryandrake]

The replication system encrypts the information before it is transmitted to the phone. The phone never has access to the key.

[ryandrake → maxerickson]

Ahh, yes it's described in a different section. Cool!