'Key distribution center' diaporamas de présentation

Security

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16: Exploits and Defenses Up and Down the Stack

16: Exploits and Defenses Up and Down the Stack. Last Modified: 8/21/2014 4:41:46 AM Some slides based on notes from cs515 at UMass. Where in the stack is security?. Attacks can be targeted at any layer of the protocol stack

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COEN 350

COEN 350 . Kerberos. Kerberos. Provide authentication for a user that works on a workstation. Uses secret key technology Because public key technology still had patent projection. Implements authentication by Needham & Schroeder. On the market in versions 4 and 5. Kerberos.

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COEN 350

COEN 350 . Kerberos. Kerberos. Provide authentication for a uses that works on a workstation. Uses secret key technology for patenting reasons. Based on work by Needham & Schroeder. On the market in versions 4 and 5. Kerberos. Kerberos consists of Key Distribution Center (KDC)

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Computer Networks

Computer Networks. NYUS FCSIT Spring 2008 Milos STOLIC, Bs.C. Teaching Assistant stolic@unys.edu.mk. Network Security. Chapter 8. Need for Security. Some people who cause security problems and why. An Introduction to Cryptography. The encryption model (for a symmetric-key cipher).

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Computer Networks

Computer Networks. NYUS FCSIT Spring 2008 Milos STOLIC, Bs.C. Teaching Assistant stolic@unys.edu.mk. Network Security. Chapter 8. Need for Security. Some people who cause security problems and why. An Introduction to Cryptography. The encryption model (for a symmetric-key cipher).

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NETW 05A: APPLIED WIRELESS SECURITY Wireless LAN Authentication

NETW 05A: APPLIED WIRELESS SECURITY Wireless LAN Authentication. By Mohammad Shanehsaz Spring 2005. Objectives. Explain the following types of authentication: - Kerberos - EAP / LEAP / PEAP - WEP / TKIP - VPN - Certificates - 2-factor & 3-factor authentication

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Authentication Services

Authentication Services. PHYSICAL SECURITY. CLIENT WORKSTATIONS None, so cannot be trusted SERVERS Moderately secure rooms, with moderately diligent system administration KERBEROS Highly secure room, with extremely diligent system administration. KERBEROS OBJECTIVES.

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15-349 Introduction to Computer and Network Security

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Privacy and Authentication: An Introduction to Cryptography

Privacy and Authentication: An Introduction to Cryptography. Very Brief. Whitfield Diffie, Martin Hellman (and Isabelle Stanton). What is Cryptography?. Definition: The science or study of the techniques of secret writing, esp. code and cipher systems, methods, and the like

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Kerberos

Kerberos. Authentication protocol. Submitted By. Poonam chauhan. What is Kerberos.

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Cryptanalysis of Scalable Multicast Security Protocol

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Key Distribution

Key Distribution. Reference: Pfleeger, Charles P., Security in Computing, 2nd Edition, Prentice Hall, 1996. Symmetric Key Exchange Without Server. Assume that two users have a copy of a symmetric encryption key K. For a small number of messages, K may be used for encryption.

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Lecture 7: Key Distribution

Lecture 7: Key Distribution. secret keys public keys. Secret Keys Distribution Problem. in the system where there are n users and potentially any user can communicate with any other? one scheme: each user knows the keys of all the others needs n 2 keys Key Distribution Center

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Smart Supply Chain Planning

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