'Encryption algorithms' diaporamas de présentation

IPv6 and The Security of Your Network and Systems

IPv6 and The Security of Your Network and Systems. Internet2 Member Meeting Arlington VA, April 28th, 2009 8:45AM-10AM Joe St Sauver, Ph.D. Manager, Internet2 Security Programs (joe@uoregon.edu or joe@internet2.edu)

765 views • 68 slides

Chapter 9: Security

Chapter 9: Security. Security. The security environment Basics of cryptography User authentication Attacks from inside the system Attacks from outside the system Protection mechanisms Trusted systems . Security environment: threats. Operating systems have goals Confidentiality

823 views • 65 slides

Chapter 9: Security

Chapter 9: Security. Security. The security environment Basics of cryptography User authentication Attacks from inside the system Attacks from outside the system Protection mechanisms Trusted systems . Security environment: threats. Operating systems have goals Confidentiality

746 views • 65 slides

CSCD 303 Fall 2018

CSCD 303 Fall 2018. Lecture 18 Cryptography - Basics. Cryptography. Introduction Cryptography is a science For exchanging information between intended recipients Has been used for over 4000 years What is the main use of Crytography today? Cryptography used for Data integrity

937 views • 52 slides

Haskell and Cryptography

Haskell and Cryptography. Jay-Evan J. Tevis, Ph.D. Department of Computer Science Western Illinois University www.wiu.edu/users/jjt107. Overview. Imperative and Function Programming Paradigms Implementation of the CAST-128 Encryption Algorithm in C and Haskell Results from Student Projects.

698 views • 45 slides

Web Security with SSL

Web Security with SSL. Prof. Reuven Aviv Dept. of Computer Science Tel Hai Academic College. Outline. Introduction - Web Security Considerations Secure Socket Layer (SSL) and Transport Layer Security (TLS) SSL Architecture SSL Record Protocol Handshake Protocol

559 views • 41 slides

3GPP

3GPP. Release 99 Release 4 Release 5 Release 6 Release 7 Release 8. Khaled Alutaibi 976452. 3GPP Roadmap . Radio Access Air Interface Principles. Release99.

949 views • 38 slides

ECE454 /599 Computer and Network Security

ECE454 /599 Computer and Network Security. Dr. Jinyuan (Stella) Sun Dept. of Electrical Engineering and Computer Science University of Tennessee Fall 2012. Introduction to Computer and Network Security. Why security? Security goals Security mechanisms Security services

625 views • 37 slides

Enhancing Email Security with S/MIME

451 views • 31 slides

Cryptography Revealed

Cryptography Revealed. Ayman Saeed. Agenda. Cryptography ?? . Encryption . Symmetric Encryption . Asymmetric Encryption. Diffie-hellman. Hashing . Digital signature . Authentication Protocols . PKI . Cryptosystems . Cryptanalysis . Quantum Cryptography. Cryptography ?? .

446 views • 30 slides

410 views • 27 slides

Free/Libre & Open Source Software and When Disclosure Helps Security

381 views • 25 slides

Blowfish Algorithm

Blowfish Algorithm Introduction to Cryptography Department of Computer Science Prince of Songkla University Hat Yai, Thailand Member Miss. Patcharee Rakyordjit 4520336 Mr. Wongyos Keardsri 4520433 Miss. Waraporn Promkaewpan 4520447 Reference Paper Wikipedia (The free encyclopedia)

3.16k views • 24 slides

3G Security Principles

3G Security Principles. Build on GSM security Correct problems with GSM security Add new security features. Source: 3GPP. VLR. HLR. AUC. EIR. GSM Network Architecture. PSTN/ISDN. MS. MSC. BTS. Um. BSC. A. A-bis. Mobility mgt. OMC. Voice Traffic. Circuit-switched technology.

361 views • 21 slides

Intrusion Tolerant Architectures

316 views • 21 slides

Keeping Laptops Secure: Solutions

Keeping Laptops Secure: Solutions Mike Delahunty Bryan Lutz Kimberly Peng Kevin Kazmierski John Thykattil Defense Team: Agenda Real world analysis of laptop security Four cornerstones of secure computing as they relate to laptop security Confidentiality Authenticity Integrity

522 views • 20 slides

Keeping Laptops Secure: Solutions

Keeping Laptops Secure: Solutions. Mike Delahunty Bryan Lutz Kimberly Peng Kevin Kazmierski John Thykattil. Defense Team:. Agenda. Real world analysis of laptop security Four cornerstones of secure computing as they relate to laptop security Confidentiality Authenticity Integrity

301 views • 20 slides

Chapter 9 Networking & Distributed Security (Part C)

Chapter 9 Networking & Distributed Security (Part C). Outline. Overview of Networking Threats Wiretapping, impersonation, message interruption/modification, DoS Controls Encryption, authentication, distributed authentication, traffic control, integrity control Email privacy: PEM, PGP

262 views • 16 slides

E- Business Digital Signature

E- Business Digital Signature. Varna Free University. Prof. Teodora Bakardjieva. What is a digital signature?.

291 views • 8 slides

MODELLING PERSISTENT DATA: CS27020

MODELLING PERSISTENT DATA: CS27020. Types of Cryptography (Algorithm) Nitin Naik. Types of Cryptography. Classical Cryptography Symmetric/Secret/Single Key Cryptography (SKC) Asymmetric/Public/Double Key Cryptography (AKC/PKC)

160 views • 0 slides