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Security Protocols Computer Security Peter Reiher October 21, 2014

Security Protocols Computer Security Peter Reiher October 21, 2014

Security Protocols Computer Security Peter Reiher October 21, 2014. Outline. Designing secure protocols Key exchange protocols Common security problems in protocols. Basics of Security Protocols. Assume (usually) that your encryption is sufficiently strong

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784 views • 65 slides
Security Protocols CS 236 On-Line MS Program Networks and Systems Security Peter Reiher

Security Protocols CS 236 On-Line MS Program Networks and Systems Security Peter Reiher

Security Protocols CS 236 On-Line MS Program Networks and Systems Security Peter Reiher. Outline. Designing secure protocols Basic protocols Key exchange Common security problems in protocols. Basics of Security Protocols.

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342 views • 34 slides
Chapter 5: Advanced Protocols

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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264 views • 26 slides
Using Cryptography for Network Security

Using Cryptography for Network Security

TCP/IP Internet. Host A. Host B. Using Cryptography for Network Security. Common problems: Authentication - A and B want to prove their identities to one another Key-distribution - A and B want to agree on a session key that can be used to encrypt all subsequent communications

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154 views • 15 slides
Exercises: Basic cryptography & key exchange protocols

Exercises: Basic cryptography & key exchange protocols

Exercises: Basic cryptography & key exchange protocols. Exercise 1. Alice and Bob want to verify that they possess a common key K , using a public one-way function h . They use the following protocol: Alice sends to Bob: h(h(K)) Bob verifies that the received value is correct

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270 views • 10 slides

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