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Yu Zhang

 


 

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Technical & Course Work

TinyOS

The work is just beginning...

Generation and Verification of Key Chains in TESLA

My part is to generate and verify the keychains. To do this, I have to understand TESLA(to solve different security level problems in multicast or broadcast) and know how to use the crypt library of SSL.

Binary Antipodal Signaling in Flat Rayleigh Fading

I spent much time on this project of Communication Theory. Although I had two references(thank Ruoheng Liu), each of them had some mistakes, which had confused me. I am so happy that Professor Spasojevic gave me a full score on this project.

Cracking of AES

The second term project of the course of Special Problem in Security.

Three steps to do it: 1)find the block where the key lies in;2)find the key in the block.

Validate the Superposition Property and Decomposition Property of Poisson Process

The second term project of the course Communication Network I.

Performance Evaluation of Different ARQ Schemes

This is a small computer project required by the course Communication Network I. Wenyuan and I work together to get it out. After finishing this, we both thinks: we could have done better. I guess that is because we have learned something.

Tomcat Web Server

This is a Panasonic project. A core HTTP server, which could offer web services to authorized users and forward the video information collected from a number of video cameras, is built. My part is to configure the Tomcat web server to restrict access to users and guarantee the confidentiality and integrity of the data between users and the server. Have a look at my experience in programming in JSP.

Encryption/Decryption Toolbox

Professor Trappe wants to let me collect all the popular encryption/decryption algorithms and build them into a library. Later, we may implement this library into the orbit project. Luckily, I found a quite complete library in the internet. Intro Public Hash Secret

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