CSE 190 -- Lecture 4,5 -- Apr 6,8
Substitution Ciphers: Rot-N, general mono-alphabetic substitution.
Block Ciphers: DES. (Substitution w/ large blocks, or an alphabet of
Assignment 2. Decrypt the following messages:
You may wish to write short programs to calculate various statistics
to aid you in decrypting these messages (esp the 2nd).
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