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Impossibility Results for Concurrent Two-Party Computation

Impossibility Results for Concurrent Two-Party Computation

Impossibility Results for Concurrent Two-Party Computation. Yehuda Lindell IBM T.J.Watson. A Basic Problem of Cryptography: Secure Computation. A set of parties with private inputs. Parties wish to jointly compute a function of their inputs so that (amongst other things):

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1.09k views • 94 slides
Application of quantum universal composability theorem 1. Motivation : e.g. is QKD secure?

Application of quantum universal composability theorem 1. Motivation : e.g. is QKD secure?

Application of quantum universal composability theorem 1. Motivation : e.g. is QKD secure? 2. Tool : universal composability 3. Application 1: composability of QKD 4. Application 2: composability of variants of quantum authentication + key recycling. ?. ?. ?. ?. ?.

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565 views • 56 slides
Application of quantum universal composability theorem 1. Motivation : e.g. is QKD secure?

Application of quantum universal composability theorem 1. Motivation : e.g. is QKD secure?

Application of quantum universal composability theorem 1. Motivation : e.g. is QKD secure? 2. Tool : universal composability 3. Application 1: composability of QKD 4. Application 2: composability of variants of quantum authentication + key recycling. ?. ?. ?. ?. ?.

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564 views • 56 slides
Searchable Symmetric Encryption: Improved Definitions and Efficient Constructions

Searchable Symmetric Encryption: Improved Definitions and Efficient Constructions

Searchable Symmetric Encryption: Improved Definitions and Efficient Constructions. Seny Kamara Johns Hopkins University Joint work with Reza Curtmola (JHU), Juan Garay (Bell Labs), Rafail Ostrovsky (UCLA). Remote Storage. Remote storage is ubiquitous data backups GMail, Yahoo Mail etc...

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661 views • 37 slides
Efficient Conjunctive Keyword Search on Encrypted Data Storage System

Efficient Conjunctive Keyword Search on Encrypted Data Storage System

Efficient Conjunctive Keyword Search on Encrypted Data Storage System. Author ? Jin Wook Byun Dong Hoon Lee Jongin Lim. Presentered by Chia Jui Hsu Date ? 2008-08-05. Outline. Introduction Related Works Example Contribution Security Definition

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296 views • 15 slides
CAS CS 538

CAS CS 538

CAS CS 538. Cryptography. Administrativia. General info. Instructor: Gene Itkis ( itkis+cs5 38 @cs.bu.edu ) Course page: www.cs.bu.edu/fac/itkis/ 538 Also found from the CS dept. courses page. General Info. Prerequisite: CS 332 or consent of instructor Relation to CS 458

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140 views • 13 slides
Certification of Programs for Secure Information Flow

Certification of Programs for Secure Information Flow

Certification of Programs for Secure Information Flow. Dorothy & Peter Denning Communications of the ACM (CACM) 1977. Language-based Security (LBS). Many security models are based on abstract formalisms

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136 views • 13 slides

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