Decrypted Secrets: Methods and Maxims of Cryptology

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Friedrich L. Bauer, ?Decrypted Secrets: Methods and Maxims of Cryptology?
Springer | ISBN 3540245022 | 4 edition (Nov 2006) | PDF | 525 pages | 11.9 Mb


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In today's unsafe and increasingly wired world cryptology plays a vital role in protecting communication channels, databases, and software from unwanted intruders. This revised and extended third edition of the classic reference work on cryptology now contains many new technical and biographical details. The first part treats secret codes and their uses - cryptography. The second part deals with the process of covertly decrypting a secret code - cryptanalysis, where particular advice on assessing methods is given. The book presupposes only elementary mathematical knowledge. Spiced with a wealth of exciting, amusing, and sometimes personal stories from the history of cryptology, it will also interest general readers.


Written for:
Scientists, students and practitioners in applied mathematics, computer science and information technology, and the general reader



Table of Contents

Part I: Cryptography The People                    1  (232)
    1 Introductory Synopsis                        9  (17)
      1.1 Cryptography and Steganography           9  (1)
      1.2 Semagrams                                10 (3)
      1.3 Open Code: Masking                       13 (4)
      1.4 Cues                                     17 (2)
      1.5 Open Code: Veiling by Nulls              19 (4)
      1.6 Open Code: Veiling by Grilles            23 (1)
      1.7 Classification of Cryptographic          24 (2)
      Methods
    2 Aims and Methods of Cryptography             26 (18)
      2.1 The Nature of Cryptography               26 (6)
      2.2 Encryption                               32 (2)
      2.3 Cryptosystems                            34 (2)
      2.4 Polyphony                                36 (3)
      2.5 Character Sets                           39 (2)
      2.6 Keys                                     41 (3)
    3 Encryption Steps: Simple Substitution        44 (14)
      3.1 Case V(?)- W (Unipartite Simple       44 (2)
      Substitutions)
      3.2 Special Case V [-> V (Permutations)      46 (7)
      3.3 Case V(?)- Wm (Multipartite Simple    53 (2)
      Substitutions)
      3.4 The General Case V(?0 - W(m) ,        55 (3)
      Straddling
    4 Encryption Steps: Polygraphic                58 (22)
    Substitution and Coding
      4.1 Case V? -W(m) (Digraphic              58 (6)
      Substitutions)
      4.2 Special Cases of Playfair and            64 (4)
      Delastelle: Tomographic Methods
      4.3 Case V? -W(m) (Trigraphic             68 (1)
      Substitutions)
      4.4 The General Case V(n) - W(m) :        68 (12)
      Codes
    5 Encryption Steps: Linear Substitution        80 (13)
      5.1 Self-reciprocal Linear Substitutions     82 (1)
      5.2 Homogeneous Linear Substitutions         82 (4)
      5.3 Binary Linear Substitutions              86 (1)
      5.4 General Linear Substitutions             86 (1)
      5.5 Decomposed Linear Substitutions          87 (3)
      5.6 Decimated Alphabets                      90 (1)
      5.7 Linear Substitutions with Decimal and    91 (2)
      Binary Numbers
    6 Encryption Steps: Transposition              93 (13)
      6.1 Simplest Methods                         93 (5)
      6.2 Columnar Transpositions                  98 (4)
      6.3 Anagrams                                 102(4)
    7 Polyalphabetic Encryption: Families of       106(33)
    Alphabets
      7.1 Iterated Substitutions                   106(1)
      7.2 Cyclically Shifted and Rotated           107(3)
      Alphabets
      7.3 Rotor Crypto Machines                    110(17)
      7.4 Shifted Standard Alphabets: Vigenče     127(4)
      and Beaufort
      7.5 Unrelated Alphabets                      131(8)
    8 Polyalphabetic Encryption: Keys              139(30)
      8.1 Early Methods with Periodic Keys         139(2)
      8.2 'Double Key'                             141(1)
      8.3 Vernam Encryption                        142(2)
      8.4 Quasi-nonperiodic Keys                   144(1)
      8.5 Machines that Generate Their Own Key     145(11)
      Sequences
      8.6 Off-Line Forming of Key Sequences        156(2)
      8.7 Nonperiodic Keys                         158(3)
      8.8 Individual, One-Time Keys                161(4)
      8.9 Key Negotiation and Key Management       165(4)
    9 Composition of Classes of Methods            169(24)
      9.1 Group Property                           169(2)
      9.2 Superencryption                          171(2)
      9.3 Similarity of Encryption Methods         173(1)
      9.4 Shannon's 'Pastry Dough Mixing'          174(6)
      9.5 Confusion and Diffusion by               180(4)
      Arithmetical Operations
      9.6 DES and IDEA?                            184(9)
  10 Open Encryption Key Systems                   193(18)
      10.1 Symmetric and Asymmetric Encryption     194(2)
      Methods
      10.2 One-Way Functions                       196(7)
      10.3 RSA Method                              203(2)
      10.4 Cryptanalytic Attack upon RSA           205(3)
      10.5 Secrecy Versus Authentication           208(2)
      10.6 Security of Public Key Systems          210(1)
  11 Encryption Security                           211(22)
      11.1 Cryptographic Faults                    211(9)
      11.2 Maxims of Cryptology                    220(5)
      11.3 Shannon's Yardsticks                    225(1)
      11.4 Cryptology and Hunan Rights             226(7)
Part II: Cryptanalysis The Machinery               233(254)
  12 Exhausting Combinatorial Complexity           237(15)
      12.1 Monoalphabetic Simple Encryptions       238(1)
      12.2 Monoalphabetic Polygraphic              239(2)
      Encryptions
      12.3 Polyalphabetic Encryptions              241(3)
      12.4 General Remarks on Combinatorial        244(1)
      Complexity
      12.5 Cryptanalysis by Exhaustion             244(2)
      12.6 Unicity Distance                        246(2)
      12.7 Practical Execution of Exhaustion       248(3)
      12.8 Mechanizing the Exhaustion              251(1)
  13 Anatomy of Language: Patterns                 252(16)
      13.1 Invariance of Repetition Patterns       252(2)
      13.2 Exclusion of Encryption Methods         254(1)
      13.3 Pattern Finding                         255(4)
      13.4 Finding of Polygraphic Patterns         259(1)
      13.5 The Method of the Probable Word         259(5)
      13.6 Automatic Exhaustion of the             264(2)
      Instantiations of a Pattern
      13.7 Pangrams                                266(2)
  14 Polyalphabetic Case: Probable Words           268(22)
      14.1 Non-Coincidence Exhaustion of           268(3)
      Probable Word Position
      14.2 Binary Non-Coincidence Exhaustion       271(1)
      14.3 The De Viaris Attack                    272(8)
      14.4 Zig-Zag Exhaustion of Probable Word     280(1)
      Position
      14.5 The Method of Isomorphs                 281(6)
      14.6 A clever brute force method: EINSing    287(1)
      14.7 Covert Plaintext-Cryptotext             288(2)
      Compromise
  15 Anatomy of Language: Frequencies              290(30)
      15.1  Exclusion of Encryption Methods        290(1)
      15.2  Invariance of Partitions               291(2)
      15.3  Intuitive Method: Frequency Profile    293(1)
      15.4  Frequency Ordering                     294(3)
      15.5  Cliques and Matching of Partitions     297(6)
      15.6  Optimal Matching                       303(2)
      15.7  Frequency of Multigrams                305(5)
      15.8  The Combined Method of Frequency       310(6)
      Matching
      15.9  Frequency Matching for Polygraphic     316(1)
      Substitutions
      15.10 Free-Style Methods                     317(1)
      15.11 Unicity Distance Revisited             318(2)
  16 Kappa and Chi                                 320(10)
      16.1 Definition and Invariance of Kappa      320(3)
      16.2 Definition and Invariance of Chi        323(2)
      16.3 The Kappa-Chi Theorem                   325(1)
      16.4 The Kappa-Phi Theorem                   326(2)
      16.5 Symmetric Functions of Character        328(2)
      Frequencies
  17 Periodicity Examination                       330(20)
      17.1 The Kappa Test of Friedman              331(1)
      17.2 Kappa Test for Multigrams               332(1)
      17.3 Cryptanalysis by Machines: Searching    333(6)
      for a period
      17.4 Kasiski Examination                     339(6)
      17.5 Building a Depth and Phi Test of        345(3)
      Kullback
      17.6 Estimating the Period Length            348(2)
  18 Alignment of Accompanying Alphabets           350(25)
      18.1 Matching the Profile                    350(4)
      18.2 Aligning Against Known Alphabet         354(4)
      18.3 Chi Test: Mutual Alignment of           358(5)
      Accompanying Alphabets
      18.4 Reconstruction of the Primary           363(2)
      Alphabet
      18.5 Kerckhoffs' Symmetry of Position        365(5)
      18.6 Stripping off Superencryption:          370(3)
      Difference Method
      18.7 Decryption of Code                      373(1)
      18.8 Reconstruction of the Password          373(2)
  19 Compromises                                   375(84)
      19.1 Kerckhoffs' Superimposition             375(2)
      19.2 Superimposition for Encryptions with    377(24)
      a Key Group
      19.3 COLOSSUS                                401(11)
      19.4 Adjustment 'in depth' of Messages       412(7)
      19.5 Crypt otext-Cryptot ext Compromises     419(12)
      19.6 Cryptotext-Cryptotext Compromise:       431(17)
      ENIGMA Indicator Doubling
      19.7 Plaintext-Cryptotext Compromise:        448(11)
      Feedback Cycle
  20 Linear Basis Analysis                         459(5)
      20.1 Reduction of Linear Polygraphic         459(1)
      Substitutions
      20.2 Reconstruction of the Key               460(1)
      20.3 Reconstruction of a Linear Shift        461(3)
      Register
  21 Anagramming                                   464(6)
      21.1 Transposition                           464(3)
      21.2 Double Columnar Transposition           467(1)
      21.3 Multiple Anagramming                    467(3)
  22 Concluding Remarks                            470(17)
      22.1 Success in Breaking                     471(5)
      22.2 Mode of Operation of the                476(6)
      Unauthorized Decryptor
      22.3 Illusory Security                       482(2)
      22.4 Importance of Cryptology                484(3)
Appendix: Axiomatic Information Theory             487(10)
Bibliography                                       497(4)
Index                                              501(24)
Photo Credits                                      525



    Thanks maxxum!

Your table of contents is a bit difficult to read, so here's an alternative one:
Pt. I. Cryptography

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

Pt. II. Cryptanalysis

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

App. Axiomatic Information Theory
Bibliography
Index
Photo Credits

http://www.amazon.co.uk/Decrypted-Secrets-Methods-Maxims-Cryptology/dp/3540604189

    Thanks. MIHD is a very good idea.

    Thank you! The TOC is quite appealing, should be different from the usaual books on cryptography.



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