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Cryptography: The Science of Secret Writing de Laurence D. Smith

Cryptography: The Science of Secret Writing: Science of Secret Writing

Autor Laurence D. Smith
en Limba Engleză Paperback – 31 mai 1955 – vârsta de la 10 ani
"Those who delight in puzzles can find much to ponder on here," declared "Science News Letter" of this excellent introduction to cryptography. Concise and simple explanations cover transposition and substitutionciphers, codes, and their solutions. More than 150 problems provide practical applications as well as tests of ingenuity."
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Specificații

ISBN-13: 9780486202471
ISBN-10: 048620247X
Pagini: 176
Dimensiuni: 138 x 203 x 9 mm
Greutate: 0.19 kg
Editura: Dover Publications
Seria Science of Secret Writing

Locul publicării:United States

Cuprins

Preface I. Secret Weapon No. One II. The History of Secret Writing III. Transposition Ciphers IV. Substitution Ciphers V. Codes Compared with Ciphers VI. Cryptanalysis Transposition Ciphers Informal Substitution Ciphers Formal Substitution Ciphers VII. Problems VIII. Solutions Appendices a. Some notes on the enciphering of Japanese b. The Baconian biliteral cipher c. Frequency tables d. Bibliography e. Definitions Index

Descriere

Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners.