'Session key' diaporamas de présentation

E-Mail Capturing & E-mail Encryption

E-Mail Capturing & E-mail Encryption. 60-564 Project Mohit Sud Dr. Aggarwal University of Windsor. Statement of the Problem. Electronic mail (e-mail) messages are one of the most common forms of communication today. But are our e-mail messages kept private and secure?

739 views • 44 slides

Computer Network Security

Computer Network Security. P.S.Dhekne BARC. What is Security all about? What is at Risk? Why Risks Exist? General Threat Perceptions Security Data (local, Remote) Communications Secure Backup. Network Perimeter Security General Policy Min. Security Enforcement

656 views • 41 slides

Incorporating Web Services in Mobile Applications

515 views • 40 slides

IEEE 802.11 Network Security

IEEE 802.11 Network Security. Rohit Tripathi Graduate Student. University of Southern California. Presentation Overview. IEEE 802.11 Network Security 802.11 Basics 802.11 Architecture 802.11 Security (WEP) WEP Vulnerabilities. Practical Implementation of Attacks.

642 views • 30 slides

Cryptography and Network Security

Cryptography and Network Security. Digital Signatures (DS). M essage authentication does not address issues of lack of trust digital signatures provide the ability to: verify author, date & time of signature authenticate message contents be verified by third parties to resolve disputes

435 views • 29 slides

MOBILE PHONE CLONING

MOBILE PHONE CLONING. Presented by: Sujit Majumdar Branch-IT Regd no-0801289042. Guided by: Nanigopal Dash. Introduction. What is cell phone cloning ? When did cell phone cloning start ? GSM CDMA Security functions of GSM and CDMA Cloning Fraud How the cell cloning done ?

3.74k views • 27 slides

Secure Sockets Layer (SSL)

449 views • 22 slides

IWD2243 Wireless & Mobile Security

423 views • 22 slides

Lecture 9: Public-Key Cryptography

481 views • 20 slides

Making More Mobile

Making More Mobile. Johanna Westwood & Kate Wright Information Services Aberystwyth University. What do you know about your students?. Are you ready for mobile learning?. On any web-enabled device go to: http://qvr.qwizdom.com Select I have a Session Key Enter the code Q5VN94.

301 views • 20 slides

CPSC 3730 Cryptography

CPSC 3730 Cryptography. Chapter 10 Key Management. Key Management. public-key encryption helps address key distribution problems have two aspects of this: distribution of public keys use of public-key encryption to distribute secret keys. Distribution of Public Keys.

294 views • 18 slides

Chaotic Stream Cipher-Based Secure Data Communications over Intelligent Transportation Network

Chaotic Stream Cipher-Based Secure Data Communications over Intelligent Transportation Network. Author: Wei Zhang, Shanyu Tang, Liping Zhang, Zhao Ma, and Jun Song Publisher: Hindawi Publishing Corporation International Journal of Antennas and Propagation Presenter: ???

520 views • 17 slides

SRTP Replay Protection

SRTP Replay Protection. A Technical Review of ROC, Cryptographic Context, Indices, and Sliding Windows. Security Measure for SIP. SIPS (or SIP over TLS) Per Hop Encryption of Transport SRTP SRTP End-to-End Protection of M edia Content

369 views • 16 slides

Facebook API

581 views • 15 slides

TOR: The second-generation Onion Router

TOR: The second-generation Onion Router. Outline. Onion routing principals Introduction to TOR Components Overall design How TOR works Circuit construction and data transfer through the circuit Conclusion. Onion routing principals. Hide message source by routing it randomly

519 views • 15 slides

An efficient password authenticated key exchange protocol for imbalanced wireless

267 views • 15 slides

CMSC 414 Computer and Network Security Lecture 16

CMSC 414 Computer and Network Security Lecture 16. Jonathan Katz. Challenge-response. Client and server share a key k Generically: server sends R; user sends f(k, R) For which f will this be secure? What if R is non-repeating, but predictable? Drawbacks No mutual authentication

210 views • 14 slides

Pretty Good Privacy (PGP)

Pretty Good Privacy (PGP). How PGP works. PGP uses both public-key cryptography and symmetric key cryptography, and includes a system which binds the public keys to user identities .

313 views • 10 slides

Use of GSM SIM Authentication in IEEE802.11 System

223 views • 9 slides

3 GPP2 Security

GSC9/Joint_027. 3 GPP2 Security. Standards Status. GSC-9, Seoul. 1. TSG-S WG4 Manages the 3GPP2 Security Standards Activities Defines 3GPP2 security requirements in coordination with TIA-45 AHAG, 3GPP and OMA Security Working groups.

200 views • 7 slides