245 Hits in 7.0 sec

Privacy-Preserving COVID-19 Contact Tracing App: A Zero-Knowledge Proof Approach [article]

Joseph K. Liu, Man Ho Au, Tsz Hon Yuen, Cong Zuo, Jiawei Wang, Amin Sakzad, Xiapu Luo, Li Li
2020 IACR Cryptology ePrint Archive  
In this paper, we propose a privacy-preserving contact tracing protocol for smart phones, and more specifically Android and iOS phones.  ...  A comparative summary shows that our protocol is the most comprehensive and balanced privacy-preserving contact tracing solution to-date.  ...  Conclusion In this paper, we proposed a privacy-preserving COVID-19 contact tracing app.  ... 
dblp:journals/iacr/LiuAYZWSLL20 fatcat:j5tcmefjt5f5hhrn4xx4zbuocy

Towards Large-Scale and Privacy-Preserving Contact Tracing in COVID-19 pandemic: A Blockchain Perspective

Wenzhe Lv, Sheng Wu, Chunxiao Jiang, Yuanhao Cui, Xuesong Qiu, Yan Zhang
2020 IEEE Transactions on Network Science and Engineering  
Specifically, 1) a privacy-preserving SRC protocol for activity-tracking and corresponding generalized block structure is developed, by connecting an interactive zero-knowledge proof protocol and the key  ...  Activity-tracking applications and location-based services using short-range communication (SRC) techniques have been abruptly demanded in the COVID-19 pandemic, especially for automated contact tracing  ...  CONCLUSION In this paper, we proposed and implemented a decentralized blockchain system to address the security, privacy and deploy efficiency issues for digital contact tracing to against the COVID-19  ... 
doi:10.1109/tnse.2020.3030925 pmid:35582326 pmcid:PMC8905609 fatcat:oagboccewvct7amrb2opax4nom

Privacy Preservation of User Identity in Contact Tracing for COVID-19-like Pandemics Using Edge Computing

Mohammed Abdullah Alsahli, Ahmed Alsanad, Mohammad Mehedi Hassan, Abdu Gumaei
2021 IEEE Access  
[38] proposed decentralized, immutable, and tamper-proof COVID-19 contact tracing using Ethereum blockchain smart contracts.  ...  [54] presented a contact tracing framework that utilizes edge computing devices and preserves privacy by limiting the collected data and ensuring diffrancal privacy by clustering analysis results.  ...  He received a patent from the United States Patent and Trademark Office in 2013.  ... 
doi:10.1109/access.2021.3110762 fatcat:w524yguvbndyxp2kqi7t22rqpq

Trace-Σ: a privacy-preserving contact tracing app [article]

Jean-François Biasse, Sriram Chelleppan, Sherzod Kariev, Noyem Khan, Lynette Menezes, Efe Seyitoglu, Charurut Somboonwit, Attila Yavuz
2020 IACR Cryptology ePrint Archive  
The typical application of our protocol is Bluetooth-enabled "contact-tracing apps" which record information about proximity between users to infer the risk of propagation of COVID-19 among them.  ...  We present a privacy-preserving protocol to anonymously collect information about a social graph.  ...  Zero-Knowledge Proofs Our proposed scheme uses zero-knowledge proofs so that the users can interact with the server without revealing their public credentials.  ... 
dblp:journals/iacr/BiasseCKKMSSY20 fatcat:m6uabqjvmfgrrlqiawrc3jouha

A Survey of COVID-19 Contact Tracing Apps [article]

Nadeem Ahmed, Regio A. Michelin, Wanli Xue, Sushmita Ruj, Robert Malaney, Salil S. Kanhere, Aruna Seneviratne, Wen Hu, Helge Janicke, Sanjay Jha
2020 arXiv   pre-print
COVID-19 is known to be a highly infectious virus, and infected individuals do not initially exhibit symptoms, while some remain asymptomatic.  ...  In response, many governments have shown great interest in smartphone contact tracing apps that help automate the difficult task of tracing all recent contacts of newly identified infected individuals.  ...  , maintaining separate upload and query identifiers, using zero knowledge proofs [37] to store anonymized social graph at the server [38] etc.).  ... 
arXiv:2006.10306v2 fatcat:rlfik2petffvlii3wy3wtlieca

Pandemic Contact Tracing Apps: DP-3T, PEPP-PT NTK, and ROBERT from a Privacy Perspective [article]

Fraunhofer AISEC
2020 IACR Cryptology ePrint Archive  
In this paper, we review different approaches on proximity tracing apps which are supposed to automate the current labor-intensive contact tracing approach conducted by national health officials.  ...  However, a privacy-preserving and yet functional and scalable design of such apps is not trivial and in some parts leads to counter-intuitive properties.  ...  PEPP-PT based approaches NTK and ROBERT NTK and ROBERT aim at identifying close contacts to infected people at scale and in a privacy-preserving manner.  ... 
dblp:journals/iacr/AISEC20 fatcat:uwomh6zpmvb4nnpbf7cvxlold4

COVID-19 Antibody Test / Vaccination Certification: There's an app for that [article]

Marc Eisenstadt, Manoharan Ramachandran, Niaz Chowdhury, Allan Third, John Domingue
2020 arXiv   pre-print
and privacy-preserving certification for test results and vaccinations.  ...  Goal: As the Coronavirus Pandemic of 2019/2020 unfolds, a COVID-19 'Immunity Passport' has been mooted as a way to enable individuals to return back to work.  ...  This is a powerful privacy-preserving and tamper-proof approach that we call Minimum and Encoded Data Storage / User's Choice.  ... 
arXiv:2004.07376v3 fatcat:yteg3wjtefhl7gihtfaweodpgm

A Survey of COVID-19 Contact Tracing Apps

Nadeem Ahmed, Regio A. Michelin, Wanli Xue, Sushmita Ruj, Robert Malaney, Salil S. Kanhere, Aruna Seneviratne, Wen Hu, Helge Janicke, Sanjay Jha
2020 IEEE Access  
INDEX TERMS Contact tracing, privacy, security.  ...  COVID-19 is known to be a highly infectious virus, and infected individuals do not initially exhibit symptoms, while some remain asymptomatic.  ...  , maintaining separate upload and query identifiers, using zero knowledge proofs [37] to store anonymized social graph at the server [38] etc.).  ... 
doi:10.1109/access.2020.3010226 fatcat:y7m26tgvyfer3gkmewrnkmihki

Mobile Apps Prioritizing Privacy, Efficiency and Equity: A Decentralized Approach to COVID-19 Vaccination Coordination [article]

Joseph Bae, Rohan Sukumaran, Sheshank Shankar, Anshuman Sharma, Ishaan Singh, Haris Nazir, Colin Kang, Saurish Srivastava, Parth Patwa, Abhishek Singh, Priyanshi Katiyar, Vitor Pamplona (+1 others)
2021 arXiv   pre-print
In this early draft, we describe a decentralized, app-based approach to COVID-19 vaccine distribution that facilitates zero knowledge verification, dynamic vaccine scheduling, continuous symptoms reporting  ...  In addition, we describe the six critical functions that we believe last mile vaccination management platforms must perform, examine existing vaccine management systems, and present a model for privacy-focused  ...  Here, we propose a decentralized, mobile app approach to address challenges in COVID-19 vaccine distribution, while preserving patient privacy, and maximizing public engagement.  ... 
arXiv:2102.09372v1 fatcat:popdd73qfvbwhd4c5ictgjktlu

To use or not to use a COVID-19 contact tracing app: a mixed-methods survey in Wales (Preprint)

Kerina Jones, Rachel Thompson
2021 JMIR mHealth and uHealth  
The objective of this study was to ascertain the views of citizens in Wales on their intended use of a COVID 19 contact tracing smartphone app, including self-proposed reasons for or against, and what  ...  Contact tracing smartphone apps are among a raft of measures introduced to reduce spread of the virus but their uptake depends on public choice.  ...  Discussion What This Study Adds To our knowledge, this is the only study on the use of a COVID-19 contact tracing app to use a mixed methods approach and combine qualitative and quantitative data collection  ... 
doi:10.2196/29181 pmid:34698645 pmcid:PMC8610446 fatcat:q7fwee4s6jbdngli356thaoyo4

Non-Pharmaceutical Interventions against COVID-19 Pandemic: Review of Contact Tracing and Social Distancing Technologies, Protocols, Apps, Security and Open Research Directions

Uzoma Rita Alo, Friday Onwe Nkwo, Henry Friday Nweke, Ifeanyi Isaiah Achi, Henry Anayo Okemiri
2021 Sensors  
The COVID-19 Pandemic has punched a devastating blow on the majority of the world's population.  ...  This paper aims to synthesize the research efforts on contact tracing and social distancing to minimize the spread of COVID-19.  ...  Privacy-Preserving COVID-19 Contact Tracing App: A Zero-Knowledge Proof Approach (PPC): In this protocol, subscribers generate both secrete and public keys and supply the public keys to the Government  ... 
doi:10.3390/s22010280 pmid:35009822 pmcid:PMC8749862 fatcat:y2g2oi4z2zavdc6hzju4hczb64

A Survey on Security and Privacy Issues in Contact Tracing Application of Covid-19

B. Sowmiya, V.S. Abhijith, S. Sudersan, R. Sakthi Jaya Sundar, M. Thangavel, P. Varalakshmi
2021 SN Computer Science  
Contact tracing apps use either a centralized or a decentralized approach to work the user's information. Apps that use a centralized approach have high privacy risks.  ...  In response to the coronavirus (COVID-19) pandemic, Government and public health authorities around the world are developing contact tracing apps as a way to trace and slow the unfold of the virus.  ...  Blockchain technology is used for data storage to ensure privacy Secure and efficient for contact tracing The identity privacy problem is protected by the combination of zero-knowledge proof and key escrow  ... 
doi:10.1007/s42979-021-00520-z pmid:33728414 pmcid:PMC7951128 fatcat:r6uhzt2vqvb7zm3egghfb22qbq

Comparative Study of Privacy Preserving-Contact Tracing on Digital Platforms

Forum Bhavesh Patel, Nilakshi Jain, Ramesh Menon, Srikanth Kodeboyina
2020 2020 International Conference on Computational Intelligence (ICCI)  
The successful containment of the Coronavirus pandemic (COVID-19) depends on the ability to identify quickly and reliably those who have been in close proximity to a contagious positive-tested individual  ...  This paper presents the most popular contact tracing data privacy techniques.  ...  A Privacy Contact Tracing: Zero-knowledge Σ-protocol It assures the users that they can have their close contacts in a way which preserves their privacy and is authenticated as well.  ... 
doi:10.1109/icci51257.2020.9247782 fatcat:zjz3lwcxbzeyjcdchgusfjfgia

Enhancing COVID-19 tracking apps with human activity recognition using a deep convolutional neural network and HAR-images

Gianni D'Angelo, Francesco Palmieri
2021 Neural computing & applications (Print)  
AbstractWith the emergence of COVID-19, mobile health applications have increasingly become crucial in contact tracing, information dissemination, and pandemic control in general.  ...  In this study, in order to enhance the performance of the COVID-19 tracking apps, a human activity classifier based on Convolutional Deep Neural Network is provided.  ...  Contact tracing Contact tracing is the main countermeasure adopted from public health to cope with COVID-19 disease [30] .  ... 
doi:10.1007/s00521-021-05913-y pmid:33814729 pmcid:PMC8009079 fatcat:4kudmgbbcfhjvce3owm2g7a2oa

Blockchains for COVID-19 Contact Tracing and Vaccine Support: A Systematic Review

Laura Ricci, Damiano Di Francesco Maesa, Alfredo Favenza, Enrico Ferro
2021 IEEE Access  
The aim of the survey is to show that only a proper combination of blockchain technology with advanced cryptographic techniques can guarantee a secure and privacy preserving support to fight COVID-19.  ...  to define robust and privacy-preserving solutions.  ...  A smart contract may certify the trustfulness of a Proof of Location, without breaking the user's privacy, by exploiting an interactive zero-knowledge protocol.  ... 
doi:10.1109/access.2021.3063152 pmid:34812382 pmcid:PMC8545218 fatcat:oyohv4md7fd6nljfxezod6xzxq
« Previous Showing results 1 — 15 out of 245 results