Cryptographic Games

Yao’s Millionaires' Problem 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
explore the Paillier additive homomorphic encryption cryptosystem • test and benchmark a cryptographic protocol
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 secure multiparty computation to reveal which of two millionnaires is richer without exposing how much either is worth. Your program will use the two-party computation for the “greater than” operator, and be written using the Rust language. Due to its unique set of features, such as guaranteed memory safety, Rust is well suited for programming cryptography applications.

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

book resources

When you start your liveProject, you get full access to the following books for 90 days.

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
  • Additive homomorphic encryption

you will learn

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


  • Implement an interactive two-party protocol to compute “greater than” operator over secret inputs
  • Explore the Paillier additive homomorphic encryption cryptosystem
  • Test and benchmark a cryptographic protocol

features

Self-paced
You choose the schedule and decide how much time to invest as you build your project.
Project roadmap
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Get Help
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book resources
Get full access to select books for 90 days. Permanent access to excerpts from Manning products are also included, as well as references to other resources.
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