Sunday, March 04, 2018

iCloud @ AWS S3, GCP

Apple may no longer be using Microsoft's Azure | ZDNet

"The (iCloud) service is agnostic about what is being stored and handles all file content the same way, as a collection of bytes," according to Apple's 2018 security guide. "Each file is broken into chunks and encrypted by iCloud using AES-128 and a key derived from each chunk's contents that utilizes SHA-256. The keys and the file's metadata are stored by Apple in the user's iCloud account.The encrypted chunks of the file are stored, without any user-identifying information, using third-party storage services, such as S3 and Google Cloud Platform."

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