'Authentication code' presentation slideshows

How to Update Documents Verifiably in Searchable Symmetric Encryption

How to Update Documents Verifiably in Searchable Symmetric Encryption. Kaoru Kurosawa and Yasuhiro Ohtaki Ibaraki University, Japan. Outline. Introduction Our (previous) verifiable SSE scheme Extend it to a dynamic SSE scheme (but not yet fully verifiable)

925 views • 70 slides

Public-Key Cryptography and Message Authentication

Public-Key Cryptography and Message Authentication. Henric Johnson Blekinge Institute of Technology, Sweden http://www.its.bth.se/staff/hjo/ henric.johnson@bth.se. OUTLINE. Approaches to Message Authentication Secure Hash Functions Digital Signatures. Message Authentication.

907 views • 55 slides

Implementing Wireless LAN Security

Implementing Wireless LAN Security. Objectives. List wireless security solutions Tell the components of the transitional security model Describe the personal security model List the components that make up the enterprise security model. Wireless Security Solutions.

767 views • 46 slides

14 years eQSL

14 years www.eQSL.cc. What is a QSL card?. What is a QSL card?. What is eQSL?. eQSL is a trademarked name for electronic QSL cards exchanged at www.eQSL.cc An Internet-based exchange using a simple web browser The exchange is done INSTANTLY The exchange is FREE We started in 1998.

707 views • 44 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 11. Cryptographic Hash Functions.

543 views • 42 slides

Fast and Secure CBC-type MACs

Fast and Secure CBC-type MACs. National Institute of Standards and Technology Mridul Nandi mridul.nandi@gmail.com. 1. Outline of the talk. Introduction Broad categories of known MACs CBC-type MACs Generalization of CBC-type MACs New proposals: GCBC1 and GCBC2 Comparison and Summary .

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Seminar WS 06/07 Computer Security

577 views • 39 slides

RFID Tags for Critical JSF Components/Sub-Assemblies

RFID Tags for Critical JSF Components/Sub-Assemblies. Alfio Grasso Deputy Director Auto-ID Lab, ADELAIDE. Agenda. Background on Auto-ID Lab RFID RFID Security & Authentication Primitives Project Activities Management Timescale Risks Deliverables Market Opportunities Conclusions.

419 views • 33 slides

Web Security and SSL

Web Security and SSL. By Xuehua Liu Heathermarie Mona. Introduction. Introduction Web Security Secure Sockets Layer (SSL) Tips for Your Web Security Questions. Web Security : Client Side Security. Risks:

718 views • 32 slides

How To Protect Keys

How To Protect Keys. Student: Ying Hong Course: Database Security Instructor: Dr. Yang. Introduction. As public key cryptography has become the basis of computer security, the weak point in security has shifted from the data itself to the keys which protect them. Tow approaches:

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DT292 Cordless Phone

330 views • 19 slides

Workshop 2: Length Extension Attack

Workshop 2: Length Extension Attack. Zhou Peng March 07, 2014. Objectives. Understand one-way hash function and message digest. Understand how to use length extension attack to append data to a signed message Obtain hands-on experience for length extension attack . One-way Hash Function.

1.04k views • 19 slides

Cryptography Introduction

CS 465. Cryptography Introduction. Last Updated: Aug 20, 2013. Terminology. Access Control Authentication Assurance that entities are who they claim to be Authorization Assurance that entities have permission to perform an action Confidentiality

326 views • 18 slides

Securing Wireless Sensor Networks

Securing Wireless Sensor Networks. Cheyenne Hollow Horn SFS Presentation 2005. Presentation Outline. Wireless Sensor Networks (WSN) Security for WSN Implementation Conclusion. Wireless Sensor Networks. What is a WSN? Nodes Beacons Base Station. Wireless Sensor Networks. Applications

447 views • 12 slides

Dynamic Symmetric Key Provisioning Protocol (DSKPP)

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The Dynamic Symmetric Key Provisioning Protocol (DSKPP)

The Dynamic Symmetric Key Provisioning Protocol (DSKPP). KEYPROV WG IETF-71 Philadelphia March 11, 2008 Andrea Doherty. Current Status. Interim face-to-face meeting held in Bedford Feb 6-7, 2008 Liaison report from IEEE P1619.3 chair Matt Ball Discussed/resolved all open: DSKPP issues

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GMAT Coaching in Delhi

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March Madness On Demand

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Exploring timing based side channel attacks against 802.11i CCMP Suman Jana, Sneha K. Kasera University of Utah

Exploring timing based side channel attacks against 802.11i CCMP Suman Jana, Sneha K. Kasera University of Utah. Introduction. Our Approach . Potential Issues ?. Performance-sensitive software implementations of AES -

191 views • 1 slides

CIS 5371 Cryptography

CIS 5371 Cryptography. 4 . Message Authentication Codes B ased on: Jonathan Katz and Yehuda Lindell Introduction to Modern Cryptography. Message Authentication Codes . Encryption vs message authentication Different functionalities

160 views • 0 slides