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Decrypted Secrets Methods and Maxims of Cryptology~tqw~ darksiderg

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Decrypted Secrets: Methods and Maxims of Cryptology
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General Information
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Type.................: Ebook
Part Size............: 12,943,447 bytes




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Posted by............: ~tqw~

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Release Notes
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Cryptology, for millennia a "secret science", is rapidly gaining in practical
importance for the protection of communication channels, databases, and
software. Beside its role in computerized information systems (public key
systems), more and more applications within computer systems and networks are
appearing, which also extend to access rights and source file protection.

The first part of this book treats secret codes and their uses - cryptography.
The second part deals with the process of covertly decrypting a secret code -
cryptanalysis - where in 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. "Decrypted Secrets" has
become a standard book on cryptology. This 4th edition has again been revised
and extended in many technical and biographical details.

Table Of Contents

Part I: Cryptography—The People 1
Chapter 1 Introductory Synopsis 9
Chapter 2 Aims and Methods of Cryptography 26
Chapter 3 Encryption Steps: Simple Substitution 44
Chapter 4 Encryption Steps: Polygraphic Substitution and Coding 58
Chapter 5 Encryption Steps: Linear Substitution 80
Chapter 6 Encryption Steps: Transposition 93
Chapter 7 Polyalphabetic Encryption: Families of Alphabets 106
Chapter 8 Polyalphabetic Encryption: Keys 139
Chapter 9 Composition of Classes of Methods 169
Chapter 10 Open Encryption Key Systems 193
Chapter 11 Encryption Security 211
Part II: Cryptanalysis—The Machinery 233
Chapter 12 Exhausting Combinatorial Complexity 237
Chapter 13 Anatomy of Language: Patterns 252
Chapter 14 Polyalphabetic Case: Probable Words 268
Chapter 15 Anatomy of Language: Frequencies 290
Chapter 16 Kappa and Chi 320
Chapter 17 Periodicity Examination 330
Chapter 18 Alignment of Accompanying Alphabets 350
Chapter 19 Compromises 375
Chapter 20 Linear Basis Analysis 459
Chapter 21 Anagramming 464
Chapter 22 Concluding Remarks 470
Appendix: Axiomatic Information Theory 487
Bibliography 497
Index 501
Photo Credits 525

Plate A The disk of Phaistos
Plate B Brass cipher disks
Plate C The ‘Cryptograph’ of Wheatstone
Plate D The US Army cylinder device M-94
Plate E The US strip device M-138-T4
Plate F The cipher machine of Kryha
Plate G The Hagelin ‘Cryptographer’ C-36
Plate H The US Army M-209, Hagelin licensed
Plate I The cipher machine ENIGMA with four rotors
Plate K Rotors of the ENIGMA
Plate L The British rotor machine TYPEX
Plate M Uhr box of the German Wehrmacht
Plate N Cipher teletype machine Lorenz SZ 42
Plate O Russian one-time pad
Plate P Modern crypto board
Plate Q CRAY Supercomputers

Product Details

* ISBN: 3540245022
* ISBN-13: 9783540245025
* Format: Hardcover, 524pp
* Publisher: Springer-Verlag New York, LLC
* Pub. Date: September 2006
* Edition Description: REV
* Edition Number: 4

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