Multi-User Searchable Encryption in the Cloud. Cédric Van Rompay, Refik Molva, and Melek Önen ISC 2015 September 10, 2015 Trondheim, Norway

Size: px
Start display at page:

Download "Multi-User Searchable Encryption in the Cloud. Cédric Van Rompay, Refik Molva, and Melek Önen ISC 2015 September 10, 2015 Trondheim, Norway"

Transcription

1 Multi-User Searchable Encryption in the Cloud Cédric Van Rompay, Refik Molva, and Melek Önen ISC 2015 th September 10, 2015 Trondheim, Norway

2 Outline Searchable Encryption Multi-User Scenarios State of the Art Privacy Issue Challenge Solution Conclusion Cédric Van Rompay slide 2

3 Searchable Encryption Data upload Cédric Van Rompay slide 3

4 Searchable Encryption Data upload Honest-but-curious Cloud Cédric Van Rompay slide 4

5 Searchable Encryption Data upload Honest-but-curious Cloud Encryption for Privacy Cédric Van Rompay slide 5

6 Searchable Encryption Data upload Honest-but-curious Cloud Encryption for Privacy Remote word search queries Cédric Van Rompay slide 6

7 Multi-User Scenarios - PEKS Single Reader Multiple Writers Cédric Van Rompay slide 7

8 Multi-User Scenarios Delegated SE Multiple Readers Single Reader Cédric Van Rompay slide 8

9 Multi-User Scenarios MUSE Multiple Readers Multiple Writers + Search Scalability Cédric Van Rompay slide 9

10 State of the Art for MUSE [Bao2008], [Yang2011], [Popa2014] Scalability through query transformation Cédric Van Rompay slide 10

11 State of the Art for MUSE [Bao2008], [Yang2011], [Popa2014] Scalability through query transformation Data Privacy Cédric Van Rompay slide 11

12 State of the Art for MUSE [Bao2008], [Yang2011], [Popa2014] Scalability through query transformation Data Privacy Search Pattern Privacy (query indistinguishability) Cédric Van Rompay slide 12

13 State of the Art for MUSE [Bao2008], [Yang2011], [Popa2014] Scalability through query transformation Data Privacy Search Pattern Privacy (query indistinguishability) No Access Pattern Privacy (result privacy) Privacy Issue if collusions Cédric Van Rompay slide 13

14 Privacy Issue Cédric Van Rompay slide 14

15 Privacy Issue Access Pattern Similarities Cédric Van Rompay slide 15

16 Privacy Issue Access Pattern Similarities Collusion Data leakage Cédric Van Rompay slide 16

17 Privacy Issue Access Pattern Similarities Collusion Data leakage Privacy Breach: Data Privacy Broken Search Privacy Broken Cédric Van Rompay slide 17

18 Challenge Access Pattern Similarities Collusion Data leakage Privacy Breach: Data Privacy Broken Search Privacy Broken New Adversary Model Cédric Van Rompay slide 18

19 Idea of Solution Private Information Retrieval (PIR) for Privacy Cédric Van Rompay slide 19

20 Idea of Solution Private Information Retrieval (PIR) for Privacy Query Transformation through Proxy Proxy Cédric Van Rompay slide 20

21 Idea of Solution Private Information Retrieval (PIR) for Privacy Query Transformation through Proxy Proxy not Trusted Single Assumption: No collusion between Proxy and Cloud Cédric Van Rompay slide 21

22 Protocol Description Encrypted words upload Cédric Van Rompay slide 22

23 Protocol Description Encrypted words upload Authorization Cédric Van Rompay slide 23

24 Protocol Description Encrypted words upload Authorization Querying Cédric Van Rompay slide 24

25 Protocol Description Encrypted words upload Authorization Querying Query Transformation with bilinear pairings Cédric Van Rompay slide 25

26 Protocol Description Encrypted words upload Authorization Querying Query Transformation with bilinear pairings PIR Querying Cédric Van Rompay slide 26

27 Protocol Description Encrypted words upload Authorization Querying Query Transformation with bilinear pairings PIR Querying (Cheap) PIR Processing Cédric Van Rompay slide 27

28 Protocol Description Encrypted words upload Authorization Querying Query Transformation with bilinear pairings PIR Querying (Cheap) PIR Processing PIR Response Cédric Van Rompay slide 28

29 Achievements Scalable Search New Adv. Model Privacy in new model Access Pattern Privacy Safe against collusion Cédric Van Rompay slide 29

30 Conclusion Multi-User Searchable Encryption with: Extended Adversary Model: Collusions among Cloud (resp. Proxy) and any number of (non authorized) users. Privacy Properties: Data Privacy, Search Pattern Privacy, Access Pattern Privacy Proved external Diffie-Hellman (XDH), PIR Security (IND-CCA2), Random Oracle Model Cédric Van Rompay slide 30

31 Questions? Cédric Van Rompay slide 31

32 References [Bao2008] Bao, F., Deng, R.H., Ding, X., Yang, Y.: Private query on encrypted data in multi-user settings. In: Information Security Practice and Experience, pp Springer (2008) [Yang2011] Yang, Yanjiang, Haibing Lu, and Jian Weng. "Multi-user private keyword search for cloud computing." Cloud Computing Technology and Science (CloudCom), 2011 IEEE Third International Conference on. IEEE, [Popa2014] Popa, R.A., Zeldovich, N.: Multi-Key Searchable Encryption (2013), Cédric Van Rompay slide 32

33 Privacy Definitions Games Cédric Van Rompay slide 33

34 Privacy Definitions Games Cédric Van Rompay slide 34

35 Transition Game 0 1 Cédric Van Rompay slide 35

36 Transition Game 2 3 Cédric Van Rompay slide 36

Privacy and Verifiability for Data Storage in Cloud Computing. Melek Ӧnen August 17, 2015 IFIP Summer School, Edinburgh

Privacy and Verifiability for Data Storage in Cloud Computing. Melek Ӧnen August 17, 2015 IFIP Summer School, Edinburgh Privacy and Verifiability for Data Storage in Cloud Computing Melek Ӧnen August 17, 2015 IFIP Summer School, Edinburgh Cloud Computing Outsourcing storage & computation High availability No IT maintenance

More information

Privacy and Security in Cloud Computing

Privacy and Security in Cloud Computing Réunion CAPPRIS 21 mars 2013 Monir Azraoui, Kaoutar Elkhiyaoui, Refik Molva, Melek Ӧnen Slide 1 Cloud computing Idea: Outsourcing Ø Huge distributed data centers Ø Offer storage and computation Benefit:

More information

On the Limits of Anonymous Password Authentication

On the Limits of Anonymous Password Authentication On the Limits of Anonymous Password Authentication Yan-Jiang Yang a Jian Weng b Feng Bao a a Institute for Infocomm Research, Singapore, Email: {yyang,baofeng}@i2r.a-star.edu.sg. b School of Computer Science,

More information

Keyword Search over Shared Cloud Data without Secure Channel or Authority

Keyword Search over Shared Cloud Data without Secure Channel or Authority Keyword Search over Shared Cloud Data without Secure Channel or Authority Yilun Wu, Jinshu Su, and Baochun Li College of Computer, National University of Defense Technology, Changsha, Hunan, China Department

More information

Multi-User Private Queries over Encrypted Databases

Multi-User Private Queries over Encrypted Databases Multi-User Private Queries over Encrypted Databases Y.J. Yang* Institute for Infocomm Research, Singapore 138632 E-mail: yyang@i2r.a-star.edu.sg *Corresponding author X.H. Ding School of Information Systems,

More information

An Efficiency Keyword Search Scheme to improve user experience for Encrypted Data in Cloud

An Efficiency Keyword Search Scheme to improve user experience for Encrypted Data in Cloud , pp.246-252 http://dx.doi.org/10.14257/astl.2014.49.45 An Efficiency Keyword Search Scheme to improve user experience for Encrypted Data in Cloud Jiangang Shu ab Xingming Sun ab Lu Zhou ab Jin Wang ab

More information

AN EFFICIENT AUDIT SERVICE OUTSOURCING FOR DATA IN TEGRITY IN CLOUDS

AN EFFICIENT AUDIT SERVICE OUTSOURCING FOR DATA IN TEGRITY IN CLOUDS AN EFFICIENT AUDIT SERVICE OUTSOURCING FOR DATA IN TEGRITY IN CLOUDS Mrs.K.Saranya, M.E.,(CSE), Jay Shriram Group of Institutions, Tirupur. Saranya17113@gmail.com Dr.S.Rajalakshmi, Associate Professor/CSE,

More information

An Efficient Multi-Keyword Ranked Secure Search On Crypto Drive With Privacy Retaining

An Efficient Multi-Keyword Ranked Secure Search On Crypto Drive With Privacy Retaining An Efficient Multi-Keyword Ranked Secure Search On Crypto Drive With Privacy Retaining 1 B.Sahaya Emelda and 2 Mrs. P. Maria Jesi M.E.,Ph.D., 1 PG Student and 2 Associate Professor, Department of Computer

More information

Secure Group Oriented Data Access Model with Keyword Search Property in Cloud Computing Environment

Secure Group Oriented Data Access Model with Keyword Search Property in Cloud Computing Environment Secure Group Oriented Data Access Model with Keyword Search Property in Cloud Computing Environment Chih Hung Wang Computer Science and Information Engineering National Chiayi University Chiayi City 60004,

More information

Secure Data Management Scheme using One-Time Trapdoor on Cloud Storage Environment

Secure Data Management Scheme using One-Time Trapdoor on Cloud Storage Environment , pp.257-272 http://dx.doi.org/10.14257/ijsia.2014.8.1.24 Secure Data Management Scheme using One-Time Trapdoor on Cloud Storage Environment Sun-Ho Lee and Im-Yeong Lee 1 Department of Computer Software

More information

Publicly Verifiable Conjunctive Keyword Search in Outsourced Databases

Publicly Verifiable Conjunctive Keyword Search in Outsourced Databases Publicly Verifiable Conjunctive Keyword Search in Outsourced Databases Monir Azraoui, Kaoutar Elkhiyaoui, Melek Önen, Refik Molva EURECOM, Sophia Antipolis, France {azraoui, elkhiyao, onen, molva}@eurecom.fr

More information

New Efficient Searchable Encryption Schemes from Bilinear Pairings

New Efficient Searchable Encryption Schemes from Bilinear Pairings International Journal of Network Security, Vol.10, No.1, PP.25 31, Jan. 2010 25 New Efficient Searchable Encryption Schemes from Bilinear Pairings Chunxiang Gu and Yuefei Zhu (Corresponding author: Chunxiang

More information

An Efficient and Secure Data Sharing Framework using Homomorphic Encryption in the Cloud

An Efficient and Secure Data Sharing Framework using Homomorphic Encryption in the Cloud An Efficient and Secure Data Sharing Framework using Homomorphic Encryption in the Cloud Sanjay Madria Professor and Site Director for NSF I/UCRC Center on Net-Centric Software and Systems Missouri University

More information

preliminary experiment conducted on Amazon EC2 instance further demonstrates the fast performance of the design.

preliminary experiment conducted on Amazon EC2 instance further demonstrates the fast performance of the design. Privacy-Preserving Public Auditing For Secure Cloud Storage ABSTRACT: Using cloud storage, users can remotely store their data and enjoy the on-demand high-quality applications and services from a shared

More information

Dynamic Query Updation for User Authentication in cloud Environment

Dynamic Query Updation for User Authentication in cloud Environment Dynamic Query Updation for User Authentication in cloud Environment Gaurav Shrivastava 1, Dr. S. Prabakaran 2 1 Research Scholar, Department of Computer Science, SRM University, Kattankulathur, Tamilnadu,

More information

Patient Controlled Encryption: Ensuring Privacy of Electronic Medical Records

Patient Controlled Encryption: Ensuring Privacy of Electronic Medical Records Patient Controlled Encryption: Ensuring Privacy of Electronic Medical Records Melissa Chase (MSR) Joint work with Josh Benaloh, Kristin Lauter, and Eric Horvitz Medical Records Traditionally, health providers

More information

IMPLEMENTATION CONCEPT FOR ADVANCED CLIENT REPUDIATION DIVERGE AUDITOR IN PUBLIC CLOUD

IMPLEMENTATION CONCEPT FOR ADVANCED CLIENT REPUDIATION DIVERGE AUDITOR IN PUBLIC CLOUD IMPLEMENTATION CONCEPT FOR ADVANCED CLIENT REPUDIATION DIVERGE AUDITOR IN PUBLIC CLOUD 1 Ms.Nita R. Mhaske, 2 Prof. S.M.Rokade 1 student, Master of Engineering, Dept. of Computer Engineering Sir Visvesvaraya

More information

An Efficient Security Based Multi Owner Data Sharing for Un-Trusted Groups Using Broadcast Encryption Techniques in Cloud

An Efficient Security Based Multi Owner Data Sharing for Un-Trusted Groups Using Broadcast Encryption Techniques in Cloud An Efficient Security Based Multi Owner Data Sharing for Un-Trusted Groups Using Broadcast Encryption Techniques in Cloud T.Vijayalakshmi 1, Balika J Chelliah 2,S.Alagumani 3 and Dr.J.Jagadeesan 4 1 PG

More information

Verifiable Delegation of Computation over Large Datasets

Verifiable Delegation of Computation over Large Datasets Verifiable Delegation of Computation over Large Datasets Siavosh Benabbas University of Toronto Rosario Gennaro IBM Research Yevgeniy Vahlis AT&T Cloud Computing Data D Code F Y F(D) Cloud could be malicious

More information

Authenticated Encryption: Relations among Notions and Analysis of the Generic Composition Paradigm By Mihir Bellare and Chanathip Namprempre

Authenticated Encryption: Relations among Notions and Analysis of the Generic Composition Paradigm By Mihir Bellare and Chanathip Namprempre Authenticated Encryption: Relations among Notions and Analysis of the Generic Composition Paradigm By Mihir Bellare and Chanathip Namprempre Some slides were also taken from Chanathip Namprempre's defense

More information

EFFICIENT AND SECURE ATTRIBUTE REVOCATION OF DATA IN MULTI-AUTHORITY CLOUD STORAGE

EFFICIENT AND SECURE ATTRIBUTE REVOCATION OF DATA IN MULTI-AUTHORITY CLOUD STORAGE EFFICIENT AND SECURE ATTRIBUTE REVOCATION OF DATA IN MULTI-AUTHORITY CLOUD STORAGE Reshma Mary Abraham and P. Sriramya Computer Science Engineering, Saveetha University, Chennai, India E-Mail: reshmamaryabraham@gmail.com

More information

DELEGATING LOG MANAGEMENT TO THE CLOUD USING SECURE LOGGING

DELEGATING LOG MANAGEMENT TO THE CLOUD USING SECURE LOGGING Available Online at www.ijcsmc.com International Journal of Computer Science and Mobile Computing A Monthly Journal of Computer Science and Information Technology ISSN 2320 088X IJCSMC, Vol. 3, Issue.

More information

Keywords: Authentication, Third party audit, cloud storage, cloud service provider, Access control.

Keywords: Authentication, Third party audit, cloud storage, cloud service provider, Access control. Volume 5, Issue 3, March 2015 ISSN: 2277 128X International Journal of Advanced Research in Computer Science and Software Engineering Research Paper Available online at: www.ijarcsse.com Identity Based

More information

Decentralized Access Control Schemes for Data Storage on Cloud

Decentralized Access Control Schemes for Data Storage on Cloud Computer Science and Engineering 2016, 6(1): 1-6 DOI: 10.5923/j.computer.20160601.01 Decentralized Access Control Schemes for Data Storage on Cloud Shraddha V. Mokle *, Nuzhat F. Shaikh Department of Computer

More information

Chapter 2 TSAS: Third-Party Storage Auditing Service

Chapter 2 TSAS: Third-Party Storage Auditing Service Chapter 2 TSAS: Third-Party Storage Auditing Service Abstract In cloud storage systems, data owners host their data on cloud servers and users (data consumers) can access the data from cloud servers Due

More information

A Secure Index Management Scheme for Providing Data Sharing in Cloud Storage

A Secure Index Management Scheme for Providing Data Sharing in Cloud Storage J Inf Process Syst, Vol.9, No.2, June 2013 pissn 1976-913X eissn 2092-805X http://dx.doi.org/10.3745/jips.2013.9.2.287 A Secure Index Management Scheme for Providing Data Sharing in Cloud Storage Sun-Ho

More information

A Proxy-Based Data Security Solution in Mobile Cloud

A Proxy-Based Data Security Solution in Mobile Cloud , pp. 77-84 http://dx.doi.org/10.14257/ijsia.2015.9.5.08 A Proxy-Based Data Security Solution in Mobile Cloud Xiaojun Yu 1,2 and Qiaoyan Wen 1 1 State Key Laboratory of Networking and Switching Technology,

More information

SECURE CLOUD STORAGE PRIVACY-PRESERVING PUBLIC AUDITING FOR DATA STORAGE SECURITY IN CLOUD

SECURE CLOUD STORAGE PRIVACY-PRESERVING PUBLIC AUDITING FOR DATA STORAGE SECURITY IN CLOUD Volume 1, Issue 7, PP:, JAN JUL 2015. SECURE CLOUD STORAGE PRIVACY-PRESERVING PUBLIC AUDITING FOR DATA STORAGE SECURITY IN CLOUD B ANNAPURNA 1*, G RAVI 2*, 1. II-M.Tech Student, MRCET 2. Assoc. Prof, Dept.

More information

Keywords: cloud computing, multiple keywords, service provider, search request, ranked search

Keywords: cloud computing, multiple keywords, service provider, search request, ranked search Volume 5, Issue 1, January 2015 ISSN: 2277 128X International Journal of Advanced Research in Computer Science and Software Engineering Research Paper Available online at: www.ijarcsse.com A Survey on

More information

Multi Layered Securing of Health Records using Public and Private Model in Cloud

Multi Layered Securing of Health Records using Public and Private Model in Cloud pp 97 102 Krishi Sanskriti Publications http://www.krishisanskriti.org/acsit.html Multi Layered Securing of Health Records using Public and Private Model in Cloud Vijay J 1, Anitha C.L 2 1 P.G.Student,

More information

Dynamic Searchable Encryption in Very Large Databases: Data Structures and Implementation

Dynamic Searchable Encryption in Very Large Databases: Data Structures and Implementation Dynamic Searchable Encryption in Very Large Databases: Data Structures and Implementation David Cash, Joseph Jaeger, Stanislaw Jarecki, Charanjit Jutla, Hugo Krawczyk, Marcel Roşu and Michael Steiner Rutgers

More information

Efficient and Secure Dynamic Auditing Protocol for Integrity Verification In Cloud Storage

Efficient and Secure Dynamic Auditing Protocol for Integrity Verification In Cloud Storage Efficient and Secure Dynamic Auditing Protocol for Integrity Verification In Cloud Storage Priyanga.R 1, Maheswari.B 2, Karthik.S 3 PG Scholar, Department of CSE, SNS College of technology, Coimbatore-35,

More information

Improving data integrity on cloud storage services

Improving data integrity on cloud storage services International Journal of Engineering Science Invention ISSN (Online): 2319 6734, ISSN (Print): 2319 6726 Volume 2 Issue 2 ǁ February. 2013 ǁ PP.49-55 Improving data integrity on cloud storage services

More information

SSARES: Secure Searchable Automated Remote Email

SSARES: Secure Searchable Automated Remote Email SSARES: Secure Searchable Automated Remote Email A usable, secure email system on a remote untrusted server Adam J. Aviv, Michael E. Locasto, Shaya Potter Angelos D. Keromytis Columbia University Network

More information

A Road Map on Security Deliverables for Mobile Cloud Application

A Road Map on Security Deliverables for Mobile Cloud Application A Road Map on Security Deliverables for Mobile Cloud Application D.Pratiba 1, Manjunath A.E 2, Dr.N.K.Srinath 3, Dr.G.Shobha 4, Dr.Siddaraja 5 Asst. Professor, Department of Computer Science and Engineering,

More information

Sheltered Multi-Owner Data distribution For vibrant Groups in the Cloud

Sheltered Multi-Owner Data distribution For vibrant Groups in the Cloud Sheltered Multi-Owner Data distribution For vibrant Groups in the Cloud I.sriram murthy 1 N.Jagajeevan 2 II M-Tech student Assistant.Professor Department of computer science & Engineering Department of

More information

Cloud Based Enterprise Resource Planning Using Software As A Service

Cloud Based Enterprise Resource Planning Using Software As A Service Cloud Based Enterprise Resource Planning Using Software As A Service Sujatha A1, Jayasudha R2, Prof Srinivasan. R3 M.Tech (IT) Student, Department of IT, PSV College of Engg & Tech, Krishnagiri, TN.India1

More information

How To Secure Cloud Computing, Public Auditing, Security, And Access Control In A Cloud Storage System

How To Secure Cloud Computing, Public Auditing, Security, And Access Control In A Cloud Storage System REVIEW ARTICAL A Novel Privacy-Preserving Public Auditing and Secure Searchable Data Cloud Storage Dumala Harisha 1, V.Gouthami 2 1 Student, Computer Science & Engineering-Department, JNTU Hyderabad India

More information

Comments on "public integrity auditing for dynamic data sharing with multi-user modification"

Comments on public integrity auditing for dynamic data sharing with multi-user modification University of Wollongong Research Online Faculty of Engineering and Information Sciences - Papers Faculty of Engineering and Information Sciences 2016 Comments on "public integrity auditing for dynamic

More information

Secure Index Management Scheme on Cloud Storage Environment

Secure Index Management Scheme on Cloud Storage Environment Secure Index Management Scheme on Cloud Storage Environment Sun-Ho Lee and Im-Yeong Lee 1 Dept. of Computer Software Engineering, Soonchunhyang University, Korea 1 Dept. of Computer Software Engineering,

More information

Seclusion Search over Encrypted Data in Cloud Storage Services

Seclusion Search over Encrypted Data in Cloud Storage Services Available Online at www.ijcsmc.com International Journal of Computer Science and Mobile Computing A Monthly Journal of Computer Science and Information Technology IJCSMC, Vol. 4, Issue. 3, March 2015,

More information

Enhancing Data Security in Cloud Storage Auditing With Key Abstraction

Enhancing Data Security in Cloud Storage Auditing With Key Abstraction Enhancing Data Security in Cloud Storage Auditing With Key Abstraction 1 Priyadharshni.A, 2 Geo Jenefer.G 1 Master of engineering in computer science, Ponjesly College of Engineering 2 Assistant Professor,

More information

15-2394-3696 RIGOROUS PUBLIC AUDITING SUPPORT ON SHARED DATA STORED IN THE CLOUD BY PRIVACY-PRESERVING MECHANISM

15-2394-3696 RIGOROUS PUBLIC AUDITING SUPPORT ON SHARED DATA STORED IN THE CLOUD BY PRIVACY-PRESERVING MECHANISM RIGOROUS PUBLIC AUDITING SUPPORT ON SHARED DATA STORED IN THE CLOUD BY PRIVACY-PRESERVING MECHANISM Dhanashri Bamane Vinayak Pottigar Subhash Pingale Department of Computer Science and Engineering SKN

More information

50 ways to break RFID privacy

50 ways to break RFID privacy 50 ways to break RFID privacy Ton van Deursen 1 University of Luxembourg ton.vandeursen@uni.lu 1 Financial support received from the Fonds National de la Recherche (Luxembourg). RFID privacy 1 / 40 Outline

More information

Secure Conjunctive Keyword Search Over Encrypted Data

Secure Conjunctive Keyword Search Over Encrypted Data Secure Conjunctive Keyword Search Over Encrypted Data Philippe Golle 1 and Jessica Staddon 1 and Brent Waters 2 1 Palo Alto Research Center 3333 Coyote Hill Road Palo Alto, CA 94304, USA E-mail: {pgolle,staddon}@parc.com

More information

EFFICIENT AND SECURE DATA PRESERVING IN CLOUD USING ENHANCED SECURITY

EFFICIENT AND SECURE DATA PRESERVING IN CLOUD USING ENHANCED SECURITY EFFICIENT AND SECURE DATA PRESERVING IN CLOUD USING ENHANCED SECURITY Siliveru Ashok kumar* S.G. Nawaz ## and M.Harathi # * Student of M.Tech, Sri Krishna Devaraya Engineering College, Gooty # Department

More information

SURVEY ON: CLOUD DATA RETRIEVAL FOR MULTIKEYWORD BASED ON DATA MINING TECHNOLOGY

SURVEY ON: CLOUD DATA RETRIEVAL FOR MULTIKEYWORD BASED ON DATA MINING TECHNOLOGY SURVEY ON: CLOUD DATA RETRIEVAL FOR MULTIKEYWORD BASED ON DATA MINING TECHNOLOGY 1 Kavya G, 2 K.S. Rajesh 1 P.G Scholar, Dept. of Computer Science & Engineering RajaRajeswari College of Engineering, Bangalore,

More information

SINGLE SIGN-ON MECHANISM FOR DISTRIBUTED COMPUTING SECURITY ENVIRONMENT

SINGLE SIGN-ON MECHANISM FOR DISTRIBUTED COMPUTING SECURITY ENVIRONMENT SINGLE SIGN-ON MECHANISM FOR DISTRIBUTED COMPUTING SECURITY ENVIRONMENT K.karthika 1, M. Daya kanimozhi Rani 2 1 K.karthika, Assistant professor, Department of IT, Adhiyamaan College of Engineering, Hosur

More information

Query Services in Cost Efficient Cloud Using Query Analysis

Query Services in Cost Efficient Cloud Using Query Analysis Query Services in Cost Efficient Cloud Using Query Analysis VanthanaPriya.J 1, ArunKumar.B 2 PG Scholar, Department of CSE, Karpagam University, Coimbatore, Tamil nadu, India 1 Assistant Professor, Department

More information

Data management using Virtualization in Cloud Computing

Data management using Virtualization in Cloud Computing Data management using Virtualization in Cloud Computing A.S.R. Krishna Kanth M.Tech (CST), Department of Computer Science & Systems Engineering, Andhra University, India. M.Sitha Ram Research Scholar Department

More information

IGI Portal architecture and interaction with a CA- online

IGI Portal architecture and interaction with a CA- online IGI Portal architecture and interaction with a CA- online Abstract In the framework of the Italian Grid Infrastructure, we are designing a web portal for the grid and cloud services provisioning. In following

More information

Providing Access Permissions to Legitimate Users by Using Attribute Based Encryption Techniques In Cloud

Providing Access Permissions to Legitimate Users by Using Attribute Based Encryption Techniques In Cloud Providing Access Permissions to Legitimate Users by Using Attribute Based Encryption Techniques In Cloud R.Udhayakumar 1, M. Jawahar 2, I.Ramasamy 3 PG Student, Dept. Of CSE,KSR Institute For Engineering

More information

Distributed Attribute Based Encryption for Patient Health Record Security under Clouds

Distributed Attribute Based Encryption for Patient Health Record Security under Clouds Distributed Attribute Based Encryption for Patient Health Record Security under Clouds SHILPA ELSA ABRAHAM II ME (CSE) Nandha Engineering College Erode Abstract-Patient Health Records (PHR) is maintained

More information

A Secure Decentralized Access Control Scheme for Data stored in Clouds

A Secure Decentralized Access Control Scheme for Data stored in Clouds A Secure Decentralized Access Control Scheme for Data stored in Clouds Priyanka Palekar 1, Abhijeet Bharate 2, Nisar Anjum 3 1 SKNSITS, University of Pune 2 SKNSITS, University of Pune 3 SKNSITS, University

More information

A NOVEL APPROACH FOR MULTI-KEYWORD SEARCH WITH ANONYMOUS ID ASSIGNMENT OVER ENCRYPTED CLOUD DATA

A NOVEL APPROACH FOR MULTI-KEYWORD SEARCH WITH ANONYMOUS ID ASSIGNMENT OVER ENCRYPTED CLOUD DATA A NOVEL APPROACH FOR MULTI-KEYWORD SEARCH WITH ANONYMOUS ID ASSIGNMENT OVER ENCRYPTED CLOUD DATA U.Pandi Priya 1, R.Padma Priya 2 1 Research Scholar, Department of Computer Science and Information Technology,

More information

Title Security Related Issues for Cloud Computing

Title Security Related Issues for Cloud Computing Title Security Related Issues for Cloud Computing Ashwini Singh Abstract: The term CLOUD implies Common Location Independent Online Utility on Demand. It's a rising innovation in IT commercial ventures.

More information

A Secure & Efficient Data Integrity Model to establish trust in cloud computing using TPA

A Secure & Efficient Data Integrity Model to establish trust in cloud computing using TPA A Secure & Efficient Data Integrity Model to establish trust in cloud computing using TPA Mr.Mahesh S.Giri Department of Computer Science & Engineering Technocrats Institute of Technology Bhopal, India

More information

Secure cloud data storage and access. Mihai Ordean Research Fellow University of Birmingham

Secure cloud data storage and access. Mihai Ordean Research Fellow University of Birmingham Secure cloud data storage and access Mihai Ordean Research Fellow University of Birmingham Introduction What can we encrypt? What can we encrypt? DATA What can we encrypt? Dynamic data DATA What can we

More information

Cloud Data Storage Services Considering Public Audit for Security

Cloud Data Storage Services Considering Public Audit for Security Global Journal of Computer Science and Technology Cloud and Distributed Volume 13 Issue 1 Version 1.0 Year 2013 Type: Double Blind Peer Reviewed International Research Journal Publisher: Global Journals

More information

Secrecy Maintaining Public Inspecting For Secure Cloud Storage

Secrecy Maintaining Public Inspecting For Secure Cloud Storage Secrecy Maintaining Public Inspecting For Secure Cloud Storage K.Sangamithra 1, S.Tamilselvan 2 M.E, M.P.Nachimuthu.M.Jaganathan Engineering College, Tamilnadu, India 1 Asst. Professor, M.P.Nachimuthu.M.Jaganathan

More information

Identity-based Encryption with Post-Challenge Auxiliary Inputs for Secure Cloud Applications and Sensor Networks

Identity-based Encryption with Post-Challenge Auxiliary Inputs for Secure Cloud Applications and Sensor Networks Identity-based Encryption with Post-Challenge Auxiliary Inputs for Secure Cloud Applications and Sensor Networks Tsz Hon Yuen - Huawei, Singapore Ye Zhang - Pennsylvania State University, USA Siu Ming

More information

Secure and Efficient Data Retrieval Process based on Hilbert Space Filling Curve

Secure and Efficient Data Retrieval Process based on Hilbert Space Filling Curve Secure and Efficient Data Retrieval Process based on Hilbert Space Filling Curve N.S. Jeya karthikka PG Scholar Sri Ramakrishna Engg Collg S.Bhaggiaraj Assistant Professor Sri Ramakrishna Engg Collg V.Sumathy

More information

DATA SECURITY IN CLOUD USING ADVANCED SECURE DE-DUPLICATION

DATA SECURITY IN CLOUD USING ADVANCED SECURE DE-DUPLICATION DATA SECURITY IN CLOUD USING ADVANCED SECURE DE-DUPLICATION Hasna.R 1, S.Sangeetha 2 1 PG Scholar, Dhanalakshmi Srinivasan College of Engineering, Coimbatore. 2 Assistant Professor, Dhanalakshmi Srinivasan

More information

EasyCrypt - Lecture 6 Overview and perspectives. Tuesday November 25th

EasyCrypt - Lecture 6 Overview and perspectives. Tuesday November 25th EasyCrypt - Lecture 6 Overview and perspectives Tuesday November 25th EasyCrypt - Lecture 6 Case studies Verified implementations Automated proofs and synthesis Perspectives 2 Inventaire à la Prevert Examples

More information

AN EFFECTIVE STUDY ON IMPROVED DATA AUTHENTICATION IN CLOUD SYSTEM

AN EFFECTIVE STUDY ON IMPROVED DATA AUTHENTICATION IN CLOUD SYSTEM INTERNATIONAL JOURNAL OF ADVANCED RESEARCH IN ENGINEERING AND SCIENCE AN EFFECTIVE STUDY ON IMPROVED DATA AUTHENTICATION IN CLOUD SYSTEM Bairu Ravi 1, B.Ramya 2 1 M.Tech Student, Dept of CSE, Arjun College

More information

A Full-Text Retrieval Algorithm for Encrypted Data in Cloud Storage Applications

A Full-Text Retrieval Algorithm for Encrypted Data in Cloud Storage Applications A Full-Text Retrieval Algorithm for Encrypted Data in Cloud Storage Applications Wei Song 1,2, Yihui Cui 2, and Zhiyong Peng 1,2(B) 1 State Key Laboratory of Software Engineering, Wuhan University, Wuhan,

More information

A Practical Security Framework for Cloud Storage and Computation

A Practical Security Framework for Cloud Storage and Computation A Practical Security Framework for Cloud Storage and Computation Kavya Premkumar 1 *, Aditya Suresh Kumar 1, Saswati Mukherjee 2 1The Department of Computer Science Engineering, Guindy, Chennai, India.

More information

KEY-POLICY ATTRIBUTE BASED ENCRYPTION TO SECURE DATA STORED IN CLOUD

KEY-POLICY ATTRIBUTE BASED ENCRYPTION TO SECURE DATA STORED IN CLOUD KEY-POLICY ATTRIBUTE BASED ENCRYPTION TO SECURE DATA STORED IN CLOUD C.Vinoth 1, G.R.Anantha Raman 2 1 Computer Science and Engineering,ACE Hosur(India) 2 Assistant Professor, Computer Science and Engineering,

More information

Public Key Encryption with keyword Search

Public Key Encryption with keyword Search Public Key Encryption with keyword Search Dan Boneh Stanford University Giovanni Di Crescenzo Telcordia Rafail Ostrovsky Giuseppe Persiano UCLA Università di Salerno Abstract We study the problem of searching

More information

SECURE AND EFFICIENT PRIVACY-PRESERVING PUBLIC AUDITING SCHEME FOR CLOUD STORAGE

SECURE AND EFFICIENT PRIVACY-PRESERVING PUBLIC AUDITING SCHEME FOR CLOUD STORAGE International Journal of Computer Network and Security(IJCNS) Vol 7. No.1 2015 Pp. 1-8 gopalax Journals, Singapore available at : www.ijcns.com ISSN: 0975-8283 ----------------------------------------------------------------------------------------------------------------------------------------------------------

More information

Identity-Based Encryption from the Weil Pairing

Identity-Based Encryption from the Weil Pairing Appears in SIAM J. of Computing, Vol. 32, No. 3, pp. 586-615, 2003. An extended abstract of this paper appears in the Proceedings of Crypto 2001, volume 2139 of Lecture Notes in Computer Science, pages

More information

http://www.guido.be/intranet/enqueteoverview/tabid/152/ctl/eresults...

http://www.guido.be/intranet/enqueteoverview/tabid/152/ctl/eresults... 1 van 70 20/03/2014 11:55 EnqueteDescription 2 van 70 20/03/2014 11:55 3 van 70 20/03/2014 11:55 4 van 70 20/03/2014 11:55 5 van 70 20/03/2014 11:55 6 van 70 20/03/2014 11:55 7 van 70 20/03/2014 11:55

More information

Secure Authentication of Distributed Networks by Single Sign-On Mechanism

Secure Authentication of Distributed Networks by Single Sign-On Mechanism Secure Authentication of Distributed Networks by Single Sign-On Mechanism Swati Sinha 1, Prof. Sheerin Zadoo 2 P.G.Student, Department of Computer Application, TOCE, Bangalore, Karnataka, India 1 Asst.Professor,

More information

Public Key Encryption with keyword Search

Public Key Encryption with keyword Search Public Key Encryption with keyword Search Dan Boneh Stanford University Giovanni Di Crescenzo Telcordia Rafail Ostrovsky Giuseppe Persiano UCLA Università di Salerno Abstract We study the problem of searching

More information

Side channels in cloud services, the case of deduplication in cloud storage

Side channels in cloud services, the case of deduplication in cloud storage Side channels in cloud services, the case of deduplication in cloud storage Danny Harnik, Benny Pinkas, Alexandra Shulman-Peleg Presented by Yair Yona Yair Yona (TAU) Side channels in cloud services Advanced

More information

An Efficient Secure Multi Owner Data Sharing for Dynamic Groups in Cloud Computing

An Efficient Secure Multi Owner Data Sharing for Dynamic Groups in Cloud Computing Available Online at www.ijcsmc.com International Journal of Computer Science and Mobile Computing A Monthly Journal of Computer Science and Information Technology IJCSMC, Vol. 3, Issue. 6, June 2014, pg.730

More information

Searchable encryption

Searchable encryption RESEARCH MASTER S DEGREE IN COMPUTER SCIENCE Searchable encryption BIBLIOGRAPHICAL STUDY 26 January 2012 Tarik Moataz INTERNSHIP at Alcatel-Lucent Bell Labs Supervisors Cuppens Frédéric, SFIIS LabSTICC

More information

Security of Cloud Storage: - Deduplication vs. Privacy

Security of Cloud Storage: - Deduplication vs. Privacy Security of Cloud Storage: - Deduplication vs. Privacy Benny Pinkas - Bar Ilan University Shai Halevi, Danny Harnik, Alexandra Shulman-Peleg - IBM Research Haifa 1 Remote storage and security Easy to encrypt

More information

Secure Data transfer in Cloud Storage Systems using Dynamic Tokens.

Secure Data transfer in Cloud Storage Systems using Dynamic Tokens. Secure Data transfer in Cloud Storage Systems using Dynamic Tokens. P.Srinivas *,K. Rajesh Kumar # M.Tech Student (CSE), Assoc. Professor *Department of Computer Science (CSE), Swarnandhra College of Engineering

More information

ISSN 2278-3091. Index Terms Cloud computing, outsourcing data, cloud storage security, public auditability

ISSN 2278-3091. Index Terms Cloud computing, outsourcing data, cloud storage security, public auditability Outsourcing and Discovering Storage Inconsistencies in Cloud Through TPA Sumathi Karanam 1, GL Varaprasad 2 Student, Department of CSE, QIS College of Engineering and Technology, Ongole, AndhraPradesh,India

More information

EFFECTIVE DATA RECOVERY FOR CONSTRUCTIVE CLOUD PLATFORM

EFFECTIVE DATA RECOVERY FOR CONSTRUCTIVE CLOUD PLATFORM INTERNATIONAL JOURNAL OF REVIEWS ON RECENT ELECTRONICS AND COMPUTER SCIENCE EFFECTIVE DATA RECOVERY FOR CONSTRUCTIVE CLOUD PLATFORM Macha Arun 1, B.Ravi Kumar 2 1 M.Tech Student, Dept of CSE, Holy Mary

More information

Implementation of Privacy-Preserving Public Auditing and Secure Searchable Data Cloud Storage

Implementation of Privacy-Preserving Public Auditing and Secure Searchable Data Cloud Storage Implementation of Privacy-Preserving Public Auditing and Secure Searchable Data Cloud Storage 1 A. MsVaishali Patil, 2 B. Prof. Archana Lomte Dept of Computer,BSIOTR, Pune ABSTRACT Cloud computing is speculated

More information

ENABLING AUDITABILITY FOR SECURE CLOUD STORAGE USING TPA

ENABLING AUDITABILITY FOR SECURE CLOUD STORAGE USING TPA ENABLING AUDITABILITY FOR SECURE CLOUD STORAGE USING TPA 1 Chennuri. Kranthi kumar, 2 Vishakha Lokhande 1 M.Tech Student, Department of CSE, KG reddy College Of Engineering and Technology, Chilkur village,

More information

Efficient Unlinkable Secret Handshakes for Anonymous Communications

Efficient Unlinkable Secret Handshakes for Anonymous Communications 보안공학연구논문지 (Journal of Security Engineering), 제 7권 제 6호 2010년 12월 Efficient Unlinkable Secret Handshakes for Anonymous Communications Eun-Kyung Ryu 1), Kee-Young Yoo 2), Keum-Sook Ha 3) Abstract The technique

More information

RSA BASED CPDP WITH ENCHANCED CLUSTER FOR DISTRUBED CLOUD STORAGE SERVICES

RSA BASED CPDP WITH ENCHANCED CLUSTER FOR DISTRUBED CLOUD STORAGE SERVICES RSA BASED CPDP WITH ENCHANCED CLUSTER FOR DISTRUBED CLOUD STORAGE SERVICES 1 MD ISMAIL Z, 2 ASHFAQUE AHAMED K. 1 PG Scholar,Department of Computer Science, C.Abdul Hakeem College Of Arts and Science,Melvisharam.

More information

Deployment Scenarios

Deployment Scenarios Deployment Scenarios Sun Cobalt Summary The Sun Cobalt is a network-based appliance for managing a large number of remote servers and for deploying services to these servers. A control station is deployed

More information

CLOUD COMPUTING SECURITY IN UNRELIABLE CLOUDS USING RELIABLE RE-ENCRYPTION

CLOUD COMPUTING SECURITY IN UNRELIABLE CLOUDS USING RELIABLE RE-ENCRYPTION CLOUD COMPUTING SECURITY IN UNRELIABLE CLOUDS USING RELIABLE RE-ENCRYPTION Chandrala DN 1, Kulkarni Varsha 2 1 Chandrala DN, M.tech IV sem,department of CS&E, SVCE, Bangalore 2 Kulkarni Varsha, Asst. Prof.

More information

Security Aspects of. Database Outsourcing. Vahid Khodabakhshi Hadi Halvachi. Dec, 2012

Security Aspects of. Database Outsourcing. Vahid Khodabakhshi Hadi Halvachi. Dec, 2012 Security Aspects of Database Outsourcing Dec, 2012 Vahid Khodabakhshi Hadi Halvachi Security Aspects of Database Outsourcing Security Aspects of Database Outsourcing 2 Outline Introduction to Database

More information

Maple: Scalable Multi-Dimensional Range Search over Encrypted Cloud Data with Tree-based Index

Maple: Scalable Multi-Dimensional Range Search over Encrypted Cloud Data with Tree-based Index Maple: Scalable Multi-Dimensional Range Search over Encrypted Cloud Data with Tree-based Index Boyang Wang Dept. of Computer Science Utah State University Logan, UT, 84322 xd.bywang@gmail.com Haitao Wang

More information

CryptoVerif Tutorial

CryptoVerif Tutorial CryptoVerif Tutorial Bruno Blanchet INRIA Paris-Rocquencourt bruno.blanchet@inria.fr November 2014 Bruno Blanchet (INRIA) CryptoVerif Tutorial November 2014 1 / 14 Exercise 1: preliminary definition SUF-CMA

More information

A COMPARATIVE STUDY OF SECURE SEARCH PROTOCOLS IN PAY- AS-YOU-GO CLOUDS

A COMPARATIVE STUDY OF SECURE SEARCH PROTOCOLS IN PAY- AS-YOU-GO CLOUDS A COMPARATIVE STUDY OF SECURE SEARCH PROTOCOLS IN PAY- AS-YOU-GO CLOUDS V. Anand 1, Ahmed Abdul Moiz Qyser 2 1 Muffakham Jah College of Engineering and Technology, Hyderabad, India 2 Muffakham Jah College

More information

Security/Privacy Models for "Internet of things": What should be studied from RFID schemes? Daisuke Moriyama and Shin ichiro Matsuo NICT, Japan

Security/Privacy Models for Internet of things: What should be studied from RFID schemes? Daisuke Moriyama and Shin ichiro Matsuo NICT, Japan Security/Privacy Models for "Internet of things": What should be studied from RFID schemes? Daisuke Moriyama and Shin ichiro Matsuo NICT, Japan 1 Internet of Things (IoT) CASAGRAS defined that: A global

More information

Public Auditing For Shared Data with Symposium on Security in the Cloud

Public Auditing For Shared Data with Symposium on Security in the Cloud DOI 10.4010/2015.463 ISSN2321 3361 2015 IJESC Research Article October 2015 Issue Public Auditing For Shared Data with Symposium on Security in the Cloud M. SUBHA, M.Sc, M.Phil, M.CA (Phd) 1, R.NIRMALA

More information

A Survey on Optimistic Fair Digital Signature Exchange Protocols

A Survey on Optimistic Fair Digital Signature Exchange Protocols A Survey on Optimistic Fair Digital Signature Exchange s Alfin Abraham Vinodh Ewards Harlay Maria Mathew Abstract Security services become crucial to many applications such as e-commerce payment protocols,

More information

A Survey on Cloud Computing Architectures for Healthcare

A Survey on Cloud Computing Architectures for Healthcare A Survey on Cloud Computing Architectures for Healthcare Pragnya Balamurukesan Department of Computer Engineering Dwarkadas J.Sanghvi College of Engineering, Mumbai,India Dr. Narendra M. Shekokar Head,

More information

Provable-Security Analysis of Authenticated Encryption in Kerberos

Provable-Security Analysis of Authenticated Encryption in Kerberos Provable-Security Analysis of Authenticated Encryption in Kerberos Alexandra Boldyreva Virendra Kumar Georgia Institute of Technology, School of Computer Science 266 Ferst Drive, Atlanta, GA 30332-0765

More information

A study on keyword searchable frameworks for efficient data utilization in cloud storage

A study on keyword searchable frameworks for efficient data utilization in cloud storage A study on able frameworks for efficient data utilization in cloud storage Bhagyashree M V 1, Pushpalatha M N 2 1 Student, Dept. of ISE, M S Ramaiah institute of technology, Karnataka, India 2Asst. professor,

More information

A Review on Privateness-Retaining Public Auditing for Secure Cloud Storage

A Review on Privateness-Retaining Public Auditing for Secure Cloud Storage Volume 3 Issue 1 March 2015 ISSN: 2320-9984 (Online) International Journal of Modern Engineering & Management Research Website: www.ijmemr.org A Review on Privateness-Retaining Public Auditing for Secure

More information

Elements of Applied Cryptography. Key Distribution. Trusted third party: KDC, KTC Diffie-Helmann protocol The man-in-the-middle attack

Elements of Applied Cryptography. Key Distribution. Trusted third party: KDC, KTC Diffie-Helmann protocol The man-in-the-middle attack Elements of Applied Cryptography Key Distribution Trusted third party: KDC, KTC Diffie-Helmann protocol The man-in-the-middle attack Point-to-point key establishment Alice Bob Each pair of users must share

More information

Privacy Aspects in Big Data Integration: Challenges and Opportunities

Privacy Aspects in Big Data Integration: Challenges and Opportunities Privacy Aspects in Big Data Integration: Challenges and Opportunities Peter Christen Research School of Computer Science, The Australian National University, Canberra, Australia Contact: peter.christen@anu.edu.au

More information