'Signed message' presentation slideshows

Distributed Consensus (continued)

Distributed Consensus (continued). Byzantine Generals Problem Solution with signed message. A signed message satisfies all the conditions of oral message, plus two extra conditions Signature cannot be forged. Forged message are detected and discarded by loyal generals.

575 views • 42 slides

Authentication, Data Integrity, Public Key Distribution, Firewalls

Authentication, Data Integrity, Public Key Distribution, Firewalls. Modified by Xiuzhen Cheng Originally provided by Professor Rick Han (rhan@cs.colorado.edu) at the University of Colorado at Boulder. Authentication (1).

382 views • 38 slides

Chapters 8 Network Security

Chapters 8 Network Security. Professor Rick Han University of Colorado at Boulder rhan@cs.colorado.edu. Announcements. HW #5 (short) due May 2 Programming Assignment #3 due May 2 HW #4 solutions on Web Final Exam May 7, 4:30-7:00 pm Comprehensive In this room

299 views • 21 slides

Usability Studies

292 views • 14 slides

Authentication Approaches

Authentication Approaches. Phillip Hallam-Baker VeriSign Inc. Why?. Authentication + Authorization = Access Control Authentication IP Address Cryptographic Authorization Email Address Whitelists [alice@example.com] Domain Whitelists [example.com] Payment [$0.01 stamp].

181 views • 10 slides

PKCS #9 Amendment for PTDs PKCS Workshop 2002 Magnus

164 views • 4 slides