Abstract Algebra: Theory and Applications · Problem 7.4.11

Algebraic Coding Theory — Thomas Judson

Mathematics — Abstract Algebra · rsa-block-encryption-advantages

Problem

Encrypted messages are often divided into blocks of

n

letters. A message such as THE WORLD WONDERS WHY might be encrypted as JIW OCFRJ LPOEVYQ IOC but sent as JIW OCF RJL POE VYQ IOC. What are the advantages of using blocks of

n

letters?

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