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by marcan_42
1832 days ago
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I watched the Apple presentation on the iCloud Keychain implementation. They explicitly mentioned concurrency and having a consensus algorithm that forbids conflicting mutations on an escrow record. I've written web apps, and I've written embedded security code. It's a lot easier to screw up and have a race condition in rate limiting code in a web stack than in a carefully designed HSM consensus algorithm (especially since the latter kind of depends on this being handled properly for data correctness, not just defending against attacks). |
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