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CodedPrivateML: A Fast and Privacy-Preserving Framework for Distributed Machine Learning
privacy-preserving machine learning information-theoretic privacy
2019/2/26
How to train a machine learning model while keeping the data private and secure? We present CodedPrivateML, a fast and scalable approach to this critical problem. CodedPrivateML keeps both the data an...
Privacy-preserving Approximate GWAS computation based on Homomorphic Encryption
homomorphic encryption GWAS Fisher scoring
2019/2/25
One of three tasks in a secure genome analysis competition called IDASH 2018 was to develop a solution for privacy-preserving GWAS computation based on homomorphic encryption. The scenario is that a d...
Further Lower Bounds for Structure-Preserving Signatures in Asymmetric Bilinear Groups
public-key cryptography Structure-Preserving Signatures
2019/1/2
Structure-Preserving Signatures (SPSs) are a useful tool for the design of modular cryptographic protocols. Recent series of works have shown that by limiting the message space of those schemes to the...
Instant Privacy-Preserving Biometric Authentication for Hamming Distance
privacy-preserving biometric authentication inner product encryption learning with errors
2018/12/24
In recent years, there has been enormous research attention in privacy-preserving biometric authentication, which enables a user to verify him or herself to a server without disclosing raw biometric i...
AuthCropper: Authenticated Image Cropper for Privacy Preserving Surveillance Systems
Privacy Authentication Forward-secure signature
2018/12/19
As surveillance systems are popular, the privacy of the recorded video becomes more important. On the other hand, the authenticity of video images should be guaranteed when used as evidence in court. ...
Adversarially Robust Property Preserving Hash Functions
Hash function compression property-preserving
2018/12/3
Property-preserving hash functions are usually probabilistic: they use the random choice of a hash function from a family to achieve compression, and as a consequence, err on some inputs. Traditionall...
PwoP: Intrusion-Tolerant and Privacy-Preserving Sensor Fusion
Intrusion-Tolerant Privacy-Preserving Sensor Fusion
2018/12/3
We design and implement, PwoP, an efficient and scalable system for intrusion-tolerant and privacy-preserving multi-sensor fusion. PwoP develops and unifies techniques from dependable distributed syst...
Ouroboros Crypsinous: Privacy-Preserving Proof-of-Stake
blockchain consensus proof-of-stake
2018/11/29
We present Ouroboros Crypsinous, the first privacy-preserving proof-of-stake (PoS) blockchain protocol. To model its security we give a thorough treatment of private ledgers in the universal compositi...
P4TC---Provably-Secure yet Practical Privacy-Preserving Toll Collection
Toll Collection Location Privacy Provable Security
2018/11/20
Electronic toll collection (ETC) is widely used all over the world not only to finance our road infrastructures, but also to realize advanced features like congestion management and pollution reductio...
Practical Strategy-Resistant Privacy-Preserving Elections
cryptographic protocols Privacy voting
2018/11/19
Recent advances in cryptography promise to let us run complex algorithms in the encrypted domain. However, these results are still mostly theoretical since the running times are still much larger than...
A Comparative Evaluation of Order-Preserving and Order-Revealing Schemes and Protocols
ORE OPE searchable encryption
2018/11/6
Database query evaluation over encrypted data has received a lot of attention recently. Order Preserving Encryption (OPE) and Order Revealing Encryption (ORE) are two important encryption schemes that...
Key-Insulated and Privacy-Preserving Signature Scheme with Publicly Derived Public Key
Signature Scheme Publicly Derived Public Key Key-Insulated Security
2018/11/6
Since the introduction of Bitcoin in 2008, cryptocurrency has been undergoing a quick and explosive development. At the same time, privacy protection, one of the key merits of cryptocurrency, has attr...
Concealing Ketje: A Lightweight PUF-Based Privacy Preserving Authentication Protocol
Privacy-preserving authentication protocol Physically Unclonable Function Authenticated Encryption
2018/11/2
In this paper, we focus on the design of a novel authentication protocol that preserves the privacy of embedded devices. A Physically Unclonable Function (PUF) generates challenge-response pairs that ...
Privacy-preserving linkage/revocation of VANET certificates without LAs
Vehicular communications Security Security credential management system (SCMS)
2018/9/6
Vehicular communication (V2X) technologies are expected to be common in the future, providing better transportation safety and efficiency. However, their large-scale deployment requires addressing som...
BAdASS: Preserving Privacy in Behavioural Advertising with Applied Secret Sharing
Behavioural Advertising Machine Learning Secret sharing
2018/8/16
Online advertising is a multi-billion dollar industry, forming the primary source of income for many publishers offering free web content. Serving advertisements tailored to users' interests greatly i...