Data Privacy and Security

An essential resource and monograph for all security researchers and practitioners who want to understand and effectively use 'both' information hiding techniques and encryption to protect digital data and have secure communications. All major topics and techniques are presented in an accessible style and suitable for specialists and nonspecialists.

Incorporates both data encryption and data hiding in a single volume Supplies many exercises and solutions to support learning the material Presents information in an accessible way Concentrates on specific methodologies that readers can choose from and pursue Includes supplementary material: sn.pub/extras

Autorentext
An essential resource and monograph for all security researchers and
practitioners who want to understand and effectively use 'both'
information hiding techniques and encryption to protect digital data
and have secure communications. All major topics and techniques are
presented in an accessible style and suitable for specialists and
nonspecialists.

Inhalt
Basic Concepts.- The Caesar Cipher.- The Affine Cipher.- The One-Time Pad.- Kerckhoffs' Principle.- I. Data Encryption.- 1 Monoalphabetic Substitution Ciphers.- 2 Transposition Ciphers.- 3 Polyalphabetic Substitution Ciphers.- 4 Random Numbers.- 5 The Enigma.- 6 Stream Ciphers.- 7 Block Ciphers.- 8 Public-Key Cryptography.- 9 Quantum Cryptography.- II. Data Hiding.- 10 Data Hiding in Text.- 11 Data Hiding in Images.- 12 Data Hiding: Other Methods.- III. Essential Resources.- Appendixes.- A Convolution.- A.1 One-Dimensional Convolution.- A.2 Two-Dimensional Convolution.- B Hashing.- B.1 Hash Tables.- B.2 Hash Functions.- B.3 Collision Handling.- B.4 Secure Hash Functions.- C Cyclic Redundancy Codes.- D Galois Fields.- D.1 Field Definitions and Operations.- D.2 GF(256) and Rijndael.- D.3 Polynomial Arithmetic.- Answers to Exercises.- Cryptography Timeline.