'Blind signatures' diaporamas de présentation

Overview

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Chapter 6 (Part 1) Other Security Overview

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A secure e-voting scheme based on blind signatures

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Blind Signatures: Definitions and Constructions

Blind Signatures: Definitions and Constructions. Carmit Hazay Yehuda Lindell Bar-Ilan University. Jonathan Katz Chiu-Yuen Koo University of Maryland. Blind Signatures [Chaum]. Enables a user to obtain a signature from a signer on a message m , without the signer learning anything about m

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Chapter 5: Advanced Protocols

Chapter 5: Advanced Protocols. Dulal C. Kar. Zero-Knowledge Proofs. Peggy wants to prove to Victor that she has a piece of valuable information but she does not want to reveal it to Victor at all Develop a protocol for this. Basic Idea: Zero-Knowledge Protocol. Refer to fig 5.1, page 102

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A recent snapshot of network security: problems, policies, solutions, and unanswered questions

Saikat Chakrabarti saikat@netlab.uky.edu Graduate Student, Computer Science University of Kentucky. A recent snapshot of network security: problems, policies, solutions, and unanswered questions. Agenda. Threats, recent attacks, and experiments

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Smart Cards Application and Security

Smart Cards Application and Security Pooya Karimian Topics Introduction What is a Smart Card? Smart Card Applications Security and Privacy New Technologies Introduction Digital Money and E-Commerce From cash-oriented to cash-less society Security Issues Key Exchange

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Identity

Identity. Some text goes here. Agenda. Goals Terminology What can decentralized networks contribute? Better Identity Provider Public attestation. Goals. Authentication How can users securely authorize transactions? Attestation How can we enable users to prove their trustworthiness?.

319 views • 19 slides