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Outline
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Classroom Contents
Cryptography, Local Decoding, and Distributed Storage
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- 1 Intro
- 2 The point of this talk
- 3 Outline
- 4 What are error correcting codes?
- 5 Dumb Example: Repetition Code
- 6 What is "locality" in error correcting codes?
- 7 t-query Locally Decodable Code
- 8 Locally Decodable Codes Adversary introduces a 0.01 fraction of errors. Bob can recover a single symbol using a few queries (whp)
- 9 t-server Private Information Retrieval
- 10 Back to distributed storage
- 11 Low-communication decoding of RS codes?
- 12 Reed-Solomon codes are regenerating codes!
- 13 What do these look like?
- 14 Summary so far: Regenerating Codes
- 15 Application 1 Communication-Efficient Secret Sharing
- 16 A slightly different setting for PIR
- 17 RECALL What one of these schemes looks like
- 18 Example: Coded PIR with RS codes
