1 / 8

Cryptography

Cryptography. in network security. Kayla Henneman CS 555. Goal: Secure Communication Confidentiality Authentication Access Control Non-Repudiation. Why we need cryptography. Encryption Decryption Algorithm Key Symmetric Asymmetric. What is Cryptography. Algorithms:.

cormac
Download Presentation

Cryptography

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Cryptography in network security Kayla Henneman CS 555

  2. Goal: Secure Communication • Confidentiality • Authentication • Access Control • Non-Repudiation Why we need cryptography

  3. Encryption • Decryption • Algorithm • Key • Symmetric • Asymmetric What is Cryptography

  4. Algorithms: http://www.mcpressonline.com/articles/images/2002/Encryption%20GuideV4--04230700.jpg

  5. Substitution • Transposition • Combinational http://upload.wikimedia.org/wikipedia/commons/2/2a/ROT13.png Techniques for cryptography http://www.infosectoday.com/Articles/Intro_to_Cryptography/CryptoFig04.jpg

  6. Secure Socket Layer/Transport Layer Security • Provides communication security between the transport layers of two hosts • Provides a secure tunnel between two hosts • Widely used to secure web shopping Example: SSL/TLS

  7. SSL/TLS Handshake http://minnie.tuhs.org/NetSec/Slides/week7.html

  8. http://www.infosectoday.com/Articles/Intro_to_Cryptography/CryptoFig04.jpghttp://www.infosectoday.com/Articles/Intro_to_Cryptography/CryptoFig04.jpg • http://www.mcpressonline.com/articles/images/2002/Encryption%20GuideV4--04230700.jpg • http://minnie.tuhs.org/NetSec/Slides/week7.html • http://upload.wikimedia.org/wikipedia/commons/2/2a/ROT13.png References:

More Related