733 citations
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19 papers · 1 filter
mmFHE: mmWave Sensing with End-to-End Fully Homomorphic Encryption
Tanvir Ahmed, Yixuan Gao, Adnan Armouti +1
We present mmFHE, the first system that executes the entire cloud-side mmWave sensing pipeline including the DSP and ML inference under fully homomorphic encryption (FHE). mmFHE en…
Private Hierarchical Governance for Encrypted Messaging
Armin Namavari, Barry Wang, Sanketh Menda +5
The increasing harms caused by hate, harassment, and other forms of abuse online have motivated major platforms to explore hierarchical governance. The idea is to allow communities…
zkLogin: Privacy-Preserving Blockchain Authentication with Existing Credentials
Foteini Baldimtsi, Konstantinos Kryptos Chalkias, Yan Ji +6
For many users, a private key based wallet serves as the primary entry point to blockchains. Commonly recommended wallet authentication methods, such as mnemonics or hardware walle…
On the Computational Hardness of Quantum One-Wayness
Bruno Cavalar, Eli Goldin, Matthew Gray +3
There is a large body of work studying what forms of computational hardness are needed to realize classical cryptography. In particular, one-way functions and pseudorandom generato…
Strategic Latency Reduction in Blockchain Peer-to-Peer Networks
Weizhao Tang, Lucianna Kiffer, Giulia Fanti +1
Most permissionless blockchain networks run on peer-to-peer (P2P) networks, which offer flexibility and decentralization at the expense of performance (e.g., network latency). Hist…
Spinning Language Models: Risks of Propaganda-As-A-Service and Countermeasures
Eugene Bagdasaryan, Vitaly Shmatikov
We investigate a new threat to neural sequence-to-sequence (seq2seq) models: training-time attacks that cause models to "spin" their outputs so as to support an adversary-chosen se…