Guest Lecture
Today’s topic
PPT Slide
What Is a Cryptosystem?
What Is a Public Key Cryptosystem?
The RSA Public Key Cryptosystem
Receiver’s Set-Up
Encrypting a Message
Decrypting A Cyphertext C
Why does it work?
Leonhard Euler 1707-1783
Why Is It Secure?
State of the Art in Factoring
Signed Messages
Signed and Secret Messages
Flipping a Coin Over the Phone
Email: snyder@cs.washington.edu
Home Page: http://www.cs.washington.edu/homes/snyder/