'Blind signature' diaporamas de présentation

Introduction to Information Security Lecture 6: Other Cryptographic Primitives

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4. B2C,B2E Systems: Concepts and Architectures

4. B2C,B2E Systems: Concepts and Architectures. 4.1 Business-to-Consumer Systems Architectures and Components Shop Functionalities, Selected Components 4.2 Electronic Fulfillment & Payment Secure Communication, Security and Trust

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Reputation Systems for Anonymous Networks

Reputation Systems for Anonymous Networks. Seung Geol Choi Columbia University. joint work with. Elli Androulaki, Steven M. Bellovin, Tal Malkin Columbia University. Contents. Introduction Security Model Our Construction Future Directions. Introduction. P2P in Anonymous networks - 1.

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A Pairing-Based Blind Signature E-Voting Scheme

A Pairing-Based Blind Signature E-Voting Scheme. LOURDES L PEZ-GARC A, LUIS J. DOMINGUEZ PEREZ, FRANCISCO RODR GUEZ-HENR QUEZ The Computer Journal July 2013 Presenter: ??? Date:2013/10/14. Outline. Introduction Mathematical Background Digital Signatures The Proposed E-Voting Scheme

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Provably secure randomized blind signature scheme based on bilinear pairing

Provably secure randomized blind signature scheme based on bilinear pairing. Source: Computers and Mathematics with Applications Author: Chun-I Fan , Wei-Zhe Sun, Vincent Shi-Ming Huang Presenter: ???. Outline. Introduction Preliminaries Randomized blind signature

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An Improved Efficient Secret Handshakes Scheme with Unlinkability

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Current issues of e-cash and Fair tracing Network Security Term Project Kim Byeong Gon

Current issues of e-cash and Fair tracing Network Security Term Project Kim Byeong Gon Cais Lab of ICU 2002.10.10. Fair tracing. Contents. Overview of e-cash Classification Curren issues Goal Basic Protocol Examples of Countermeasures Fair tracing Building blocks Previous work

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Lect. 18: Cryptographic Protocols

Lect. 18: Cryptographic Protocols. Contents. Cryptographic Protocols Special Signatures Secret Sharing and Threshold Cryptography Zero-knowledge Proofs Identification, Authentication Protecting your P rivacy. 1. Cryptographic Protocols. Cryptographic Protocols.

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Current issues of e-cash and Fair tracing Network Security Term Project Kim Byeong Gon

Current issues of e-cash and Fair tracing Network Security Term Project Kim Byeong Gon Cais Lab of ICU 2002.10.10. Fair tracing. Contents. Overview of e-cash Classification Curren issues Goal Basic Protocol Examples of Countermeasures Fair tracing Building blocks Previous work

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A novel and efficient unlinkable secret handshakes scheme

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Payment Systems

Payment Systems. Electronic Payment Schemes. Schemes for electronic payment are multi-party protocols Payment instrument modeled by electronic coin that has a fixed value and can be exchanged with a traditional monetary instrument Parties include: Payer (customer) Payee (merchant) Bank.

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Cryptography CS 555

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Proxy blind multi-signature scheme without a secure channel

Proxy blind multi-signature scheme without a secure channel. Source: Applied Mathematics and Computation , vol: 164, issue: 1, May 5, 2005, pp. 179 - 187. Author: RongXing Lu, ZhenFu Cao, Yuan Zhou Speaker: Chang-Chu Chen Date: 05/26/2005. Outline. Introduction Proposed scheme

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E-Money / Digital Cash

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