Determining entropy of encrypted message

Assignment Help Data Structure & Algorithms

Reference no: EM1345806

Q1) Let the plaintext message given: INFA 640 IS A UMUC GRADUATE COURSE.

a. If this message is sent unencrypted and successfully received, what is its entropy?

b. If this message is encrypted with DES by using a random 56-bit key, determine encrypted message's entropy?

Reference no: EM1345806

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