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cs.CR2025
Single-Shuffle Full-Open Card-Based Secure Computation Protocols for Any Function
Reo Eriguchi, Kazumasa Shinagawa
A card-based secure computation protocol is a method for parties to compute a function on their private inputs using physical playing cards, in such a wa…
cs.CR2025
Augmented Shuffle Differential Privacy Protocols for Large-Domain Categorical and Key-Value Data
Takao Murakami, Yuichi Sei, Reo Eriguchi
Shuffle DP (Differential Privacy) protocols provide high accuracy and privacy by introducing a shuffler who randomly shuffles data in a distributed system. However, most shuffle DP…
cs.CR2025
Augmented Shuffle Protocols for Accurate and Robust Frequency Estimation under Differential Privacy
Takao Murakami, Yuichi Sei, Reo Eriguchi
The shuffle model of DP (Differential Privacy) provides high utility by introducing a shuffler that randomly shuffles noisy data sent from users. However, recent studies show that…