Military cryptanalysis
By: by William F. Friedman.
Series: A cryptographic series;; 30, 40, 60-61
Publisher: Aegean Park Press
Published: 1980
Place of publication: Laguna Hills, Calif
Language: eng
Subjects: Ciphers.; Cryptography.
Notes: Includes bibliographical references and indexes.
Table of contents: title: pt. 1. Monoalphabetic substitution systems; title: pt. 2. Simpler varieties of polyalphabetic substitution systems; title: pt. 3. Simpler varieties of aperiodic substitution systems; title: pt. 4. Transportation and fractionating systems.