Cryptographic Games

Private Set Intersection you own this product

This project is part of the liveProject series Learn Privacy-Enhancing Techniques with Cryptographic Games
prerequisites
intermediate Rust • basic IntelliJ IDEA Rust plugin
skills learned
implement the computational steps needed for OT and extended OT protocols • implement a Bloom filter and the more advanced garbled Bloom filter
Omer Shlomovits
1 week · 5-7 hours per week · BEGINNER
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liveProject This project is part of the liveProject series Learn Privacy-Enhancing Techniques with Cryptographic Games liveProjects give you the opportunity to learn new skills by completing real-world challenges in your local development environment. Solve practical problems, write working code, and analyze real data—with liveProject, you learn by doing. These self-paced projects also come with full liveBook access to select books for 90 days plus permanent access to other select Manning products. $19.99 $29.99 you save $10 (33%)
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Look inside

In this liveProject, you’ll use the private set-intersection (PSI) protocol to develop a tool which can compare cancer patients for a blind trial without revealing their private details. PSI is a two-party protocol where each party holds a private set that it inputs to the protocol, and outputs a new set that contains only the elements in the intersection. You’ll implement PSI using three different techniques: the oblivious transfer (OT) cryptographic primitive, a standard Bloom filter, and a more complex garbled version of a Bloom filter.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Omer Shlomovits
Omer Shlomovits (omershlomovits.com) is the co-founder and VP Research of ZenGo (founded 2018), a Tel-Aviv based company building products for consumers in the blockchain space. He runs ZenGo X, a 500+ members research community. He is a member of OpenMined MPC team, applying secure computation to machine learning. He codes mostly in Rust\Go and is passionate about imagining, designing, implementing and attacking complex crypto-systems. His research is aimed to tackle real world, hard problems, using novel cryptography. His focus is on threshold cryptography. In 2019 he co-founded MPC-Alliance, a consortium of 50+ companies collaborating to advance MPC technology. Currently he serve as a board-member and head of the technical committee. He co-founded Zero-Knowledge TLV, a 750+ members applied cryptography community in Israel. This is now part of ZK-Global.

prerequisites

The liveProject is for intermediate Rust developers. To begin this liveProject you will need to be familiar with the following:

TOOLS
  • Intermediate Rust
  • Basic IntelliJ IDEA Rust plugin
TECHNIQUES
  • Basic algorithms
  • Elliptic curve cryptography
  • Encryption and decryption
  • Hashing
  • PRNGs

you will learn

In this liveProject, you’ll explore cryptography for collaborative computation that offers privacy enhancement.

  • Implement the computational steps needed for OT and extended OT protocols
  • Implement a Bloom filter and the more advanced garbled Bloom filter
  • Implement the computations steps needed for a semi-honest PSI protocol

features

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You choose the schedule and decide how much time to invest as you build your project.
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book resources
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