Cryptanalysis
Цена 8.76 - 20.19 USD
EAN/UPC/ISBN Code
9780486200972
Брэнд
Dover Publications
Автор
Helen F. Gaines
Издатель
Dover Publications
Страниц
238
Год выпуска
1989
Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Nihilist, grille, U. S. Army, key-phrase, multiple-alphabet, Gronsfeld, Porta, Beaufort, periodic ciphers, and more. Simple and advanced methods. 166 specimens to solve — with solutions.