Decrypted Secrets: Methods and Maxims of Cryptology Book

Pt. I	Cryptography	1
1	Introductory Synopsis	8
2	Aims and Methods of Cryptography	25
3	Encryption Steps: Simple Substitution	42
4	Encryption Steps: Polygraphic Substitution and Coding	56
5	Encryption Steps: Linear Substitution	78
6	Encryption Steps: Transposition	91
7	Polyalphabetic Encryption: Families of Alphabets	101
8	Polyalphabetic Encryption: Keys	126
9	Composition of Classes of Methods	155
10	Open Encryption Key Systems	179
11	Encryption Security	197
Pt. II	Cryptanalysis	217
12	Exhausting Combinatorial Complexity	220
13	Anatomy of Language: Patterns	235
14	Polyalphabetic Case: Probable Words	251
15	Anatomy of Language: Frequencies	271
16	Kappa and Chi	301
17	Periodicity Examination	311
18	Alignment of Accompanying Alphabets	331
19	Compromises	356
20	Linear Basis Analysis	413
21	Anagramming	418
22	Concluding Remarks	424
App	Axiomatic Information Theory	439
	Bibliography	449
	Index	453
	Photo Credits	474