Data Privacy and Security by David Salomon (auth.)

By David Salomon (auth.)

Covering classical cryptography, smooth cryptography, and steganography, this quantity information how facts should be stored safe and personal. each one subject is gifted and defined through describing a number of equipment, concepts, and algorithms. additionally, there are various worthwhile examples to enhance the reader's realizing and services with those ideas and methodologies.

Features & Benefits:

* contains either info encryption and information hiding

* offers a wealth of routines and strategies to assist readers comfortably comprehend the material

* offers info in an obtainable, nonmathematical style

* Concentrates on particular methodologies that readers can choose between and pursue, for his or her data-security wishes and goals

* Describes new themes, resembling the complicated encryption regular (Rijndael), quantum cryptography, and elliptic-curve cryptography.

The publication, with its obtainable kind, is a necessary better half for all safety practitioners and execs who have to comprehend and successfully use either info hiding and encryption to guard electronic facts and communications. it's also appropriate for self-study within the components of programming, software program engineering, and security.

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Sample text

Stimson Part I Data Encryption Encryption is one approach to data privacy. Encryption is an ancient science and Chapters 1 through 5 illustrate how easy it is to develop an encryption method. What those chapters do not show is how easy it is to break simple encryption through the use of computers. All the methods described in those chapters have been broken over the years, many even without the use of high-speed computing devices. Chapters 6 through 9 deal with modern cryptography, which is based on computers and binary data.

A big bonus is the detailed bibliography with over 1500 entries. [Schneier 02] is a monthly newsletter on computer security and cryptography from Bruce Schneier, a leading security expert. [Sinkov 80] discusses the basics of cryptography in a clear, easy to understand language. The examples and exercises accompanying each chapter provide the reader with hands-on practice of the concepts introduced. [Stallings 98] has been described as one of the better books on cryptography, concentrating on algorithms, rather than codebreaking.

And DHLP .... 1: 2 x 2 Blocks for a Transposition Cipher. 2. A square or a rectangle with n cells is filled with the integers from 1 to n in some order. The first n plainletters are placed in the cells according to these integers and the ciphertext is generated by scanning the rectangle in some order (possibly rowwise or columnwise) and collecting letters. An alternative is to place the plainletters in the rectangle in rowwise or columnwise order, and generate the ciphertext by scanning the rectangle according to the integers, collecting letters.

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