Cryptanalysis · A Study of Ciphers and Their Solution
- Authors
- Gaines, Helen F.
- Publisher
- Dover Publications
- Tags
- science
- ISBN
- 9780486800592
- Date
- 1939-01-01T00:00:00+00:00
- Size
- 14.08 MB
- Lang
- en
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.