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Plain-text using play-fair encryption, Computer Network Security
What is one-time pad for encryption?
Describe how it offers both Confusion and Diffusion.
Using the letter encoding discussed in class (along with one-time pad), the cipher text,
was generated using one-time pad. What is the one time pad used if the plain text is "thrill"? What's the key if the plain text was "tiller"?
Encrypt the following plain-text using play-fair encryption scheme. Use
as the key. Plain Text: "I DREAM OF RAIN"
Suppose that you have a message consisting of 1024 bits. Design method that will extend the key that is 64 bits long into a string of 1024 bits. Encryption is performed by XORing the data bits with the extended key bits. Discuss the security of this approach.
Posted Date: 3/19/2013 2:15:57 AM | Location : United States
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