'Secret sharing' presentation slideshows

Cryptography on Non-Trusted Machines

Cryptography on Non-Trusted Machines. Stefan Dziembowski. Idea. Design cryptographic protocols that are secure even on the machines that are not fully trusted. How to construct secure digital systems?. MACHINE (PC, smartcard, etc.). very secure

2.09k views • 175 slides

Multi-Party Computation Forever for Cloud Computing and Beyond

Multi-Party Computation Forever for Cloud Computing and Beyond. Shlomi Dolev Joint works with Limor Lahiani , Moti Yung, Juan Garay , Niv Gilboa and Vladimir Kolesnikov. Secret Swarm Unit Reactive K-Secret Sharing. INDOCRYPT 2007 Shlomi Dolev 1 , Limor Lahiani 1 , Moti Yung 2

964 views • 77 slides

Trends in MPC for Information Assurance Prof. C. Pandu Rangan (IIT Madras)

586 views • 44 slides

The Complexity of Information-Theoretic Secure Computation

The Complexity of Information-Theoretic Secure Computation. Yuval Ishai Technion 2014 European School of Information Theory. Information-Theoretic Cryptography. Any question in cryptography that makes sense even if everyone is computationally unbounded

551 views • 42 slides

Linear, Nonlinear, and Weakly-Private Secret Sharing Schemes

Amos Beimel Ben-Gurion University Slides borrowed fromYuval Ishai, Noam Livne, Moni Naor, Enav Weinreb. Linear, Nonlinear, and Weakly-Private Secret Sharing Schemes. Secret Sharing [Shamir79,Blakley79,ItoSaitoNishizeki87]. 1706. 1706. t=3. ?. 2538. 3441. 1329. 6634. Talk Overview.

632 views • 40 slides

Application of Combinatorial Mathematics to Cryptology: A Personal Journey

Application of Combinatorial Mathematics to Cryptology: A Personal Journey. Ed Dawson Information Security Institute Queensland University of Technology. Overview. Introduction Combinatorial Structures Secret Sharing Schemes Latin Squares and Authentication Schemes

520 views • 38 slides

Rational Secret Sharing and Multiparty Computation by J.Halpern and V.Teague

606 views • 37 slides

Ronald Cramer, Yevgeniy Dodis, Serge Fehr, Carles Padro, Daniel Wichs

485 views • 34 slides

Responsive Security for Stored Data

Responsive Security for Stored Data. Subramanian Lakshmanan Mustaque Ahamad H. Venkateswaran College of Computing Georgia Institute of Technology. Introduction. Problem definition A distributed data repository.

410 views • 32 slides

Handling Security Threats to the RFID System of EPC Networks

Handling Security Threats to the RFID System of EPC Networks. J. Garcia-Alfaro, M. Barbeau, E. Kranakis. Presenter Gicheol Wang. RFID Tags. Radio frequency devices that transmit information (e.g., serial numbers) to compliant readers in a contactless manner Classified in the literature as:

417 views • 28 slides

CSE597B: Special Topics in Network and Systems Security

CSE597B: Special Topics in Network and Systems Security. The Miscellaneous Instructor: Sencun Zhu. Appetizer.

413 views • 27 slides

CrowdLogging : Distributed, private, and anonymous search logging

CrowdLogging : Distributed, private, and anonymous search logging. Henry Feild James Allan Joshua Glatt Center for Intelligent Information Retrieval University of Massachusetts Amherst. July 26, 2011. Centralized search logging and mining. Search:. Server-side logging.

392 views • 26 slides

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??????????. ??? ???? ???? ???? ???? ???? ????. W atermarking Image authentication Secret sharing Visual cryptography Steganography. Watermarking. Visible watermarking Easy to embed Clear to see watermark. Watermarking (Cont.). Invisible watermarking Requirements:

434 views • 24 slides

Multiparty Unconditionally Secure Protocols

Multiparty Unconditionally Secure Protocols . D. Chaum, C. Crepeau, and I. Damgaard presented by Chi Bun Chan Nov 15, 2004. Secure Multiparty Computation. System n participants: P 1 , P 2 , ..., P n P i has a secret value x i All participants agree on a multivariable function F Goals

454 views • 21 slides

Intrusion Tolerant Software Architectures

Intrusion Tolerant Software Architectures. OASIS PI Meeting Hilton Head, SC March 13, 2002. Bruno Dutertre, Valentin Crettaz, Victoria Stavridou System Design Laboratory, SRI International bruno@sdl.sri.com. Outline. Status Intrusion-tolerant Enclaves Software architecture

311 views • 18 slides

Asynchronous Proactive Secret Sharing

Asynchronous Proactive Secret Sharing. Fred B. Schneider* fbs@cs.cornell.edu Department of Computer Science Cornell University Ithaca, New York 14853. * Joint work with Robbert van Renesse and Lidong Zhou. Problem: Replication versus Confidentiality. State replication provides:

285 views • 18 slides

Cryptography and Game Theory: Designing Protocols for Exchanging Information

Cryptography and Game Theory: Designing Protocols for Exchanging Information. Gillat Kol and Moni Naor. Our Goal. Our Goal: Designing protocols encouraging rational players to exchange information Examples we deal with: Rational secure function evaluation. Rational secret sharing.

328 views • 16 slides

Information Security

Information Security. Teaching, training, research. Topics in cryptology. History of cryptology Basic ciphers and their properties Symmetric cryptography Public-key cryptography Encryption standards . Topics in cryptographic protocols. Key exchange Authentication Signature

258 views • 13 slides

Modeling security

Modeling security. Models - encryption. Alice and Bob have the same key k Alice and Bob exchange encrypted messages Eve wants to get the plaintext. What can she do? What can Eve do? The model we studied: eavesdropping, known plaintext, chosen plaintext/ciphertext Bad news for the attacker

229 views • 11 slides

Title: Optimized Implementation of a General Secret Sharing

Seminar Announcement. June 4, Wednesday, 9:30-11:00 a m, Room ??????? A302. Title: Optimized Implementation of a General Secret Sharing ( for audiences with security background) Prof. Lein Harn School of Computer and Engineering University of Missouri-Kansas City, USA. Abstract

159 views • 1 slides