Decrypted Secrets

Part I:.Cryptography—The People

1. Introductory Synopsis
2. Aims and Methods of Cryptography
3. Encryption Steps: Simple Substitution
4. Encryption Steps: Polygraphic Substitution and Coding
5. Encryption Steps: Linear Substitution
6. Encryption Steps: Transposition
7. Polyalphabetic Encryption: Families of Alphabets
8. Polyalphabetic Encryption: Keys
9. Composition of Classes of Methods
10. Open Encryption Key Systems
11. Encryption Security
Part II:.Cryptanalysis—The Machinery

12. Exhausting Combinatorial Complexity
13. Anatomy of Language: Patterns
14. Polyalphabetic Case: Probable Words
15. Anatomy of Language: Frequencies
16. Kappa and Chi
17. Periodicity Examination
18. Alignment of Accompanying Alphabets
19. Compromises
20. Linear Basis Analysis
21. Anagramming
22. Concluding Remarks

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Nyckelord: COMPUTERS / Computer Science COM014000