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publications
Synthesizing Diverse and Physically Stable Grasps with Arbitrary Hand Structures using Differentiable Force Closure Estimator
Authors: Tengyu Liu, Zeyu Liu, Ziyuan Jiao, Yixin Zhu, Song-Chun Zhu
Published in: IEEE Robotics and Automation Letters (RA-L) Special Issue: Robotic Grasping and Manipulation Challenges and Progress
Date:
This paper is about synthesizing diverse and physically stable grasps via force closure.
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Oblivious Message Retrieval
Authors: Zeyu Liu, Eran Tromer
Published in: CRYPTO 2022. Contributed Talk at RWC 2022.
Date:
This paper is about the Oblivious Message Retrieval for anonymous message delivery systems, such as private messaging services and privacy-preserving payment systems, need a mechanism for recipients to retrieve the messages addressed to them, without leaking metadata or letting their messages be linked.
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Large-Precision Homomorphic Sign Evaluation using FHEW/TFHE Bootstrapping
Authors: Zeyu Liu, Daniele Micciancio, Yuriy Polyakov
Available on: ePrint; In submission to Asiacrypt 2022.
Date:
This paper is about FHEW/TFHE efficient functional bootstrapping, including large-precision sign evaluation, arbitrary function evaluation, homomorphic digit decomposition, etc.
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XSPIR: Efficient Symmetrically Private Information Retrieval from Ring-LWE
Authors: Chengyu Lin, Zeyu Liu, Tal Malkin
Published in: ESORICS 2022.
Date:
Private Information Retrieval (PIR) allows a client to retrieve one entry from a database held by a server, while hiding from the server which entry has been retrieved. Symmetrically Private Information Retrieval (SPIR) additionally protects the privacy of the data, requiring that the client obtains only its desired entry, and no information on other data entries..
OpenFHE: Open-Source Fully Homomorphic Encryption Library
Authors: Ahmad Al Badawi, Jack Bates, Flavio Bergamaschi, David Bruce Cousins, Saroja Erabelli, Nicholas Genise, Shai Halevi, Hamish Hunt, Andrey Kim, Yongwoo Lee, Zeyu Liu, Daniele Micciancio, Ian Quah, Yuriy Polyakov, Saraswathy R.V., Kurt Rohloff, Jonathan Saylor, Dmitriy Suponitsky, Matthew Triplett, Vinod Vaikuntanathan, and Vincent Zucca
Published in: WAHC 2022.
Date:
Fully Homomorphic Encryption (FHE) is a powerful cryptographic primitive that enables performing computations over encrypted data without having access to the secret key. We introduce OpenFHE, a new open-source FHE software library that incorporates selected design ideas from prior FHE projects, such as PALISADE, HElib, and HEAAN, and includes several new design concepts and ideas.
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talks
Talk 1 on Relevant Topic in Your Field
Date:
This is a description of your talk, which is a markdown files that can be all markdown-ified like any other post. Yay markdown!
Conference Proceeding talk 3 on Relevant Topic in Your Field
Date:
This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.
teaching
2021springcsor4231
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Instructor:Term:At Yale University
- CPSC 567/467 Introduction to Cryptography.
- Instructor: Katerina Sotiraki
- Position: TA
- CPSC 541/441 Zero-knolwedge Proof.
- Instructor: Ben Fisch
- Position: TA
- CPSC 659 Advanced Topics in Cryptography: Lattices and Post-Quantum Cryptography.
- Instructor: Katerina Sotiraki
- Position: Guest speaker
COMS 4261 – Introduction to Cryptography
Graudate Course Assistant, Columbia University, Computer Science Department, 2021
Instructor: Prof. Periklis PapakonstantinouTerm: Summer 2021COMS 4261 – Introduction to Cryptography
Graudate Course Assistant, Columbia University, Computer Science Department, 2022
Instructor: Prof. Tal MalkinTerm: Spring 2022