'Diffie hellman key agreement' presentation slideshows

15-441 Computer Networks

15-441 Computer Networks. Security and Cryptography Sachin Kulkarni (Special Thanks to Ed Bardsley, John Heffner & Andrew Tanenbaum). Security - Outline. Is it really important? How do we ensure it? At what level can it be introduced? Actual protocols Kerberos ssh IPSec.

500 views • 42 slides

Rachana Y. Patil

Rachana Y. Patil. 1. Symmetric and asymmetric-key cryptography will exist in parallel and continue to serve the community. We actually believe that they are complements of each other; the advantages of one can compensate for the disadvantages of the other.

507 views • 39 slides

Security and Cryptography

Security and Cryptography. Security Threats. Impersonation Pretend to be someone else to gain access to information or services Lack of secrecy Eavesdrop on data over network Corruption Modify data over network Break-ins Take advantage of implementation bugs Denial of Service

473 views • 37 slides

15-441 Computer Networking

487 views • 37 slides

Asymmetric Digital Signatures And Key Exchange

Asymmetric Digital Signatures And Key Exchange. Prof. Ravi Sandhu. DIGITAL SIGNATURES. INSECURE CHANNEL. Plaintext + Signature. Yes/No. Plain- text. Signature Algorithm S. Verification Algorithm V. A. B. A's Public Key. A's Private Key. RELIABLE CHANNEL.

332 views • 22 slides

Cryptography

438 views • 21 slides