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PrivFL: Practical Privacy-preserving Federated Regressions on High-dimensional Data over Mobile Networks
Privacy-preserving computations Predictive analysis Federated learning
2019/8/30
Federated Learning (FL) enables a large number of users to jointly learn a shared machine learning (ML) model, coordinated by a centralized server, where the data is distributed across multiple device...
Interpretable Encrypted Searchable Neural Networks
Searchable Encryption Searchable Neural Networks Probabilistic Learning
2019/8/19
In cloud security, traditional searchable encryption (SE) requires high computation and communication overhead for dynamic search and update. The clever combination of machine learning (ML) and SE may...
Multi-owner Secure Encrypted Search Using Searching Adversarial Networks
Searchable Symmetric Encryption Multi-owner Ranked Search
2019/8/14
Searchable symmetric encryption (SSE) for multi-owner model draws much attention as it enables data users to perform searches over encrypted cloud data outsourced by data owners. However, implementing...
Multi-client Secure Encrypted Search Using Searching Adversarial Networks
Searchable Encryption Multi-keyword Ranked Search Multi-owner Model
2019/8/8
With the rapid development of cloud computing, searchable encryption for multiple data owners model (multi-owner model) draws much attention as it enables data users to perform searches on encrypted c...
Kadcast: A Structured Approach to Broadcast in Blockchain Networks
broadcast blockchain cryptocurrency peer-to-peer
2019/8/2
In order to propagate transactions and blocks, today’s blockchain systems rely on unstructured peer-to-peer overlay networks. In such networks, broadcast is known to be an inefficient operation in ter...
Crisis: Probabilistically Self Organizing Total Order in Unstructured P2P Networks
byzantine cryptocurrency bitcoin
2019/7/15
A framework for asynchronous, signature free, fully local and probabilistically converging total order algorithms is developed, that may survive in high entropy, unstructured Peer-to-Peer networks wit...
Atomic Multi-Channel Updates with Constant Collateral in Bitcoin-Compatible Payment-Channel Networks
payment channel networks collateral scalability
2019/5/31
Current cryptocurrencies provide a heavily limited transaction throughput that is clearly insufficient to cater to their growing adoption. Payment-channel networks (PCNs) have emerged as an interestin...
Efficient Search for Optimal Diffusion Layers of Generalized Feistel Networks
Diffusion Round Feistel Permutations
2019/5/23
The Feistel construction is one of the most studied ways of building block ciphers. Several generalizations were then proposed in the literature, leading to the Generalized Feistel Network, where the ...
Security Analysis of Efficient Anonymous Authentication With Conditional Privacy Preserving Scheme for Vehicular Ad Hoc Networks
Vehicular ad hoc networks (VANETs) Impersonation attack Bogus message attack
2019/5/13
Protecting a driver’s privacy is one of the major concerns in vehicular ad hoc networks (VANETs). Currently, Azees et al. has proposed an efficient anonymous authentication protocol (EAAP) for VANETs....
Recently, the NIST launched a competition for lightweight cryptography and a large number of ciphers are expected to be studied and analyzed under this competition. Apart from the classical security, ...
We show that garbled circuits are a practical choice for secure evaluation of neural network classifiers. At the protocol level, we start with the garbling scheme of Ball, Malkin & Rosulek (ACM CCS 20...
Secure Evaluation of Quantized Neural Networks
Machine Learning Multi-Party Computation Quantization
2019/2/27
Machine Learning models, and specially convolutional neural networks (CNNs), are at the heart of many day-to-day applications like image classification and speech recognition. The need for evaluating ...
BlAnC: Blockchain-based Anonymous and Decentralized Credit Networks
blockchain decentralized anonymity
2019/1/9
Distributed credit networks, such as Ripple and Stellar, are becoming popular as an alternative means for financial transactions. However, the current designs do not preserve user privacy or are not t...
Fast Secure Comparison for Medium-Sized Integers and Its Application in Binarized Neural Networks
multiparty computation secret sharing secure comparison
2019/1/2
In 1994, Feige, Kilian, and Naor proposed a simple protocol for secure 33-way comparison of integers aa and bb from the range [0,2][0,2]. Their observation is that for p=7p=7, the Legendre symbol (x|p...
Oblivious Transfer in Incomplete Networks
Oblivious transfer information theory incomplete networks
2018/11/13
Secure message transmission and Byzantine agreement have been studied extensively in incomplete networks. However, information theoretically secure multiparty computation (MPC) in incomplete networks ...