Querying Databases Privately
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| Author | : Dmitri Asonov |
| Publisher | : Springer |
| Total Pages | : 122 |
| Release | : 2005-01-14 |
| Genre | : Language Arts & Disciplines |
| ISBN | : 3540277706 |
The Internet and the World Wide Web (WWW) play an increasingly imp- tant role in our today's activities. More and more we use the Web to buy goods and to inform ourselves about cultural, political, economical, medical, and scienti?c developments. For example, accessing?ight schedules, me- cal data, or retrieving stock information become common practice in today's world. Many people assume that there is no one who "watches" them when accessing this data. However, sensitive userswho accesselectronic shops(e-shops) might have observedthat this assumptionoften isnot true. In many cases, E-shopstrack the users'"accessbehavior"when browsingthe Web pagesof the e-shopthus deriving "accesspatterns" for individual shoppers. Therefore, this knowledge on access behavior and access patters allows the system to tailor access to Webpagesforthatusertohis/herspeci?cneedsinthefuture. Thistrackingof usersmightbeconsideredharmlessand"acceptable"inmanycases. However, in cases when this information is used to harm a person - for example about the person's health problems - or to violate his/her privacy (for example?nding out about his/her?nancial situation), he/she would like to be sure that such tracking is impossible to protect the user's rights
| Author | : Dmitri Asonov |
| Publisher | : |
| Total Pages | : 136 |
| Release | : 2014-01-15 |
| Genre | : |
| ISBN | : 9783662164624 |
| Author | : Joseph P Near |
| Publisher | : |
| Total Pages | : |
| Release | : 2021-07-22 |
| Genre | : |
| ISBN | : 9781680838503 |
This book provides a database researcher or designer a complete, yet concise, overview of differential privacy and its deployment in database systems.
| Author | : Ghina Abdul Hamid Mikati |
| Publisher | : |
| Total Pages | : 258 |
| Release | : 2006 |
| Genre | : |
| ISBN | : |
This Thesis addresses the problem of protecting the user's queries from a databa se server(s) during the information retrieval process. The main concern in this regard is to find schemes that guarantee the privacy of those queries, i.e., kee p the identity of the extracted data unknown to the database server. A trivial a nd straightforward solution to this problem is to send the entire database to th e user. Of course, such an approach is impractical due to the expensive communication ov erhead involved. Therefore, a relatively new branch of research in the cryptogra phic domain-- called Private Information Retrieval (PIR)-- was established to ha ndle such problems with a reduced communication cost. Subsequently, a substantia l body of work has emerged with a variety of possible solutions that display dra matic improvements over the trivial solution. Most of these protocols, however, suffer from a serious drawback in terms of computational efficiency: Each query requires the whole database to be scanned. Within the context of realistic datab ase settings, such a cost is unacceptable and renders the attained solutions inf easible. Attempting to move the above problem to a more database-oriented setting, we int roduce, in this Thesis, a new paradigm called Private Database Querying (PDQ): A user accesses a table in a database and privately extracts the entry correspond ing to a key of his/her choice with suitable computation and communication complexit ies. Moreover, we devise a solution for the PDQ problem that achieves sub-linear in N (where N represents the size of the database in bits) server-side computation cost while maintaining an efficient communication complexity. This i s attained through the use of a pre-processing stage where data is computed-- so me of which is also encrypted-- and stored. In addition, our algorithm builds on several ideas in the literature. In particular, it is based on a recently established PI R protocol that depends on the Composite Residuosity Assumption (CRA)-- a new nu mber theoretic assumption. Furthermore, a novel use of B-Trees and an interestin g association between the XORing of bits and their encryptions are utilized to a llow for efficient query processing. Finally, different directions for future wo rk on this algorithm are indicated.
| Author | : Mikhail Atallah |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 300 |
| Release | : 2010-07-12 |
| Genre | : Computers |
| ISBN | : 3642145264 |
This book constitutes the refereed proceedings of the 10th International Symposium, PETS 2010, held in Berlin, Germany in July 2010. The 16 revised full papers were carefully reviewed and selected from 57 submissions for inclusion in the book. The papers handle topics such as access control, privacy of web based search, anonymus webs of trust, security attacks, active timing attacks in lo-latency anonymus communication, network topology and web search with malicious adversaries
| Author | : Josef Pawel Pieprzyk |
| Publisher | : Springer |
| Total Pages | : 285 |
| Release | : 2009-11-09 |
| Genre | : Computers |
| ISBN | : 3642046428 |
This book constitutes the refereed proceedings of the Third International Conference on Provable Security, ProvSec 2009, held in Guangzhou, China, November 11-13, 2009. The 19 revised full papers and two invited talks presented were carefully reviewed and selected from 64 submissions. The papers are organized in topical sections on encryption, digital signature, cryptographic protocols and reduction and privacy.
| Author | : Henk C.A. van Tilborg |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 1457 |
| Release | : 2011-09-06 |
| Genre | : Computers |
| ISBN | : 144195905X |
This comprehensive encyclopedia provides easy access to information on all aspects of cryptography and security. The work is intended for students, researchers and practitioners who need a quick and authoritative reference to areas like data protection, network security, operating systems security, and more.
| Author | : Sean W. Smith |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 246 |
| Release | : 2006-06-16 |
| Genre | : Computers |
| ISBN | : 0387239170 |
From early prototypes and proposed applications, this book surveys the longer history of amplifying small amounts of hardware security into broader system security Including real case study experience with security architecture and applications on multiple types of platforms. Examines the theory, design, implementation of the IBM 4758 secure coprocessor platform and discusses real case study applications that exploit the unique capabilities of this platform. Examines more recent cutting-edge experimental work in this area. Written for security architects, application designers, and the general computer scientist interested in the evolution and use of this emerging technology.
| Author | : Xun Yi |
| Publisher | : Morgan & Claypool Publishers |
| Total Pages | : 116 |
| Release | : 2013-09-01 |
| Genre | : Computers |
| ISBN | : 1627051546 |
This book deals with Private Information Retrieval (PIR), a technique allowing a user to retrieve an element from a server in possession of a database without revealing to the server which element is retrieved. PIR has been widely applied to protect the privacy of the user in querying a service provider on the Internet. For example, by PIR, one can query a location-based service provider about the nearest car park without revealing his location to the server. The first PIR approach was introduced by Chor, Goldreich, Kushilevitz and Sudan in 1995 in a multi-server setting, where the user retrieves information from multiple database servers, each of which has a copy of the same database. To ensure user privacy in the multi-server setting, the servers must be trusted not to collude. In 1997, Kushilevitz and Ostrovsky constructed the first single-database PIR. Since then, many efficient PIR solutions have been discovered. Beginning with a thorough survey of single-database PIR techniques, this text focuses on the latest technologies and applications in the field of PIR. The main categories are illustrated with recently proposed PIR-based solutions by the authors. Because of the latest treatment of the topic, this text will be highly beneficial to researchers and industry professionals in information security and privacy.
| Author | : Alex Bolenok |
| Publisher | : BPB Publications |
| Total Pages | : 317 |
| Release | : 2022-11-21 |
| Genre | : Computers |
| ISBN | : 9355512031 |
Capsulated knowledge on SQL for Data Professionals KEY FEATURES ● A fantastic crash course on learning SQL for database programming and querying. ● Numerous examples and use cases on every aspect of SQL and developer jobs. ● Complex queries, performance tweaking, and database design patterns are all included. DESCRIPTION This book provides lucid explanations of the features of SQL, beginning with the most fundamental and progressing to the most advanced. You'll be able to learn how to perform everyday SQL operations like adding new entries, modifying or deleting old ones, and performing simple and sophisticated SQL queries with the assistance of this book, which makes learning SQL a more efficient and practical process. This book will teach you some of the more complex features of database management, including joining algorithms, materialized views, optimizers, and indexing, and it will do so by providing you with proven illustrations. Finally, the book demonstrates how to get started with cloud-based database design by providing step-by-step instructions. With case studies drawn from the author's own experience, the book teaches you everything you need to know about SQL. This book walks you through the inner workings of a database system and teaches you how to utilize SQL to get the most out of your database. As the book progresses, you'll get a deeper understanding of database engineering principles that will speed up data mining and analysis. WHAT YOU WILL LEARN ● Perform operations such as projections, joins, filters, aggregations, and CTE. ● Optimize database performance, including indexing, query planning, and materialization. ● Examine client-side and server-side programming for SQL databases. ● Become proficient with OLTP and data warehouse databases. ● Cutting-edge knowledge of cloud database design techniques. WHO THIS BOOK IS FOR This book is for every data professional, including database developers, project managers, database administrators, software engineers, web developers, and full-stack developers, who wish to learn and apply SQL in their development operations quickly. This book may be read by anyone, regardless of whether or not they are familiar with SQL. TABLE OF CONTENTS 1. Basic Concepts 2. Putting Data in 3. Basic Queries 4. Advanced Queries 5. Data Organization 6. Performance 7. Server-Side Programming 8. Client-Side Programming 9. Design and Management
