Transcription of Cryptology for Beginners - MasterMathMentor.com
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Cryptology for Beginners - MasterMathMentor.com
Cryptology for Beginners Stu Schwartz Wissahickon High Ambler, Pa 19002 1. Introduction and Terminology .. 2 2. Monoalphabetic Substitution Ciphers .. 3 A. The Additive (or shift) Cipher .. 4 B. Modular Arithmetic .. 7 C. The Multiplicative Cipher .. 9 D. The Affine Cipher .. 12 3. Polyalphabetic Substitution Ciphers.. 17 A. Integer Matrices .. 17 B. The Hill Digraph Cipher .. 20 C. The Hill Trigraph Cipher .. 32 D. The Vigen re Square Cipher .. 35 E. The Playfair Cipher .. 39 F. The Permutation Cipher .. 42 5. Deciding Between Monoalphabetic and Polyalphabetic.. 44 6. Public Key Cryptography .. 47 References .. 49 Answers to Exercises .. 49 This workbook requires the use of the Cipher System Excel spreadsheet.
Cryptology for Beginners - 2 - www.mastermathmentor.com - Stu Schwartz Cryptology for Beginners Stu Schwartz sschwartz8128@verizon.net 1. Introduction and Terminology Cryptology is defined as the science of making communication incomprehensible to all …
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