PETs of the world unite! Conquer the middle ground in the performance vs...
Talkat Confidential Computing Mini Summit at Open Source Summit Europe 2023 · on Monday, 2023-09-18·
summary
Combines MPC and confidential computing by running Carbine Stack inside Edgeless Constellation VMs and by replacing expensive MPC offline crypto with an SGX-backed deterministic “factory” that generates correlated randomness locally. Demonstrated zero-code deploy on a Constellation cluster, claims offline bandwidth for 100k ops/sec is 1 GB/s offline leading to $100/hour egress on Azure; SGX factory cuts communication to a seed exchange and is orders of magnitude faster. Proposes layered MPC-in-TEE designs to force attackers to break multiple TEEs for compromise.
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chapters (10)
- 0:00MPC and confidential computing
- 1:47Bosch Research in PETs
- 3:10Secure multi-party computation fundamentals
- 8:09MPC vs confidential computing
- 11:18Performance vs security trade-offs
- 15:51Stacking MPC on confidential computing
- 17:58Reducing MPC costs with SGX
- 23:13Middle ground in PETs
- 27:29Democratizing MPC with Carbine Stack
- 30:16Q&A on quantum resistance
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