'Group keys' presentation slideshows

Chapter 9 Multilevel Indexing and B-Trees

Chapter 9 Multilevel Indexing and B-Trees. CIS 402:File Management Techniques. 9.1 Introduction : Invention of the B-Tree. Introduction : The Invention of the B-tree.

1.6k views • 58 slides

802.16e

802.16e. Vijay Chauhan Srinivas Inguva. 802.16 Overview. Basic Idea: Metropolitan area wireless broadband service. Main roles involved in 802.16: Base Station (BS) Mobile Station (MS) / Subscriber Station (SS) Two security protocols of interest: Authentication/Authorization protocol

612 views • 47 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 18. Wireless Network Security.

912 views • 38 slides

NTP Security Model

NTP Security Model. David L. Mills University of Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu. NTP security model. NTP operates in a mixed, multi-level security environment including symmetric key cryptography, public key cryptography and unsecured.

423 views • 28 slides

CSC 774 Advanced Network Security

CSC 774 Advanced Network Security. Topic 5 Group Key Management. Group Communication. A group consists of multiple members Messages sent by one sender are received by all the other group members Example application: Pay per view. Secure Group Communication.

387 views • 28 slides

VANETs

VANETs. CSE 681- Information Security Dr. Huriong Fu By Navya Pondicherry Nahed Alnahash. Agenda. System Model ? What is VANETs? ? Why VANETs? Threats Proposed Protocol ? AOSA ? SPCP ? PARROTS Evaluation ? Entropy

637 views • 24 slides

Tolga Acar 24 Feb. 2011

Distributed Key Management and Cryptographic Agility. Tolga Acar 24 Feb. 2011. Overview. Distributed Key Lifecycle Problem statement and status quo Distributed Key Manager Typical application scenario and architecture Hardware Rooted Key Management How to use TPMs for key management

487 views • 22 slides

Overview of Security Research in Ad Hoc Networks

Overview of Security Research in Ad Hoc Networks. Melanie Agnew John Folkerts Cory Virok. Agenda. Towards Flexible Credential Verification in Mobile Ad-hoc Networks by Keoh and Lupu Simple and Fault-Tolerant Key Agreement for Dynamic Collaborative Groups by Kim, Perring, and Tsudik

351 views • 22 slides

Overview of Security Research in Ad Hoc Networks

Overview of Security Research in Ad Hoc Networks. Melanie Agnew John Folkerts Cory Virok. Agenda. Towards Flexible Credential Verification in Mobile Ad-hoc Networks by Keoh and Lupu Simple and Fault-Tolerant Key Agreement for Dynamic Collaborative Groups by Kim, Perring, and Tsudik

226 views • 22 slides

Lab: Key Management

Lab: Key Management. A strategy is required to key generation, retention, revocation, and disaster recovery. Instructions. Install KeyAdministration Group on a PC. This product uses, and will install, a copy of a Derby Database.

175 views • 17 slides

Distributed Authentication in Wireless Mesh Networks Through Kerberos Tickets draft-moustafa-krb-wg-mesh-nw-00.txt

Distributed Authentication in Wireless Mesh Networks Through Kerberos Tickets draft-moustafa-krb-wg-mesh-nw-00.txt. Hassnaa Moustafa ( hassnaa.moustafa@orange-ftgroup.com ) Gilles Bourdon ( gilles.bourdon@orange-ftgroup.com ) Tom Yu ( tlyu@mit.edu ). Draft History.

286 views • 8 slides

209 views • 8 slides

Self-Healing in Wireless Networks

Self-Healing in Wireless Networks. The self-healing property is expected in many aspects in wireless networks: Encryption algorithms Key distribution mechanisms System protection. Overview of the DES. A block cipher: encrypts blocks of 64 bits using a 64 bit key

164 views • 0 slides