This book, until very recently classified CONFIDENTIAL by the U.S. Government, provides heretofore unpublished methods for the solution of ciphertext and plaintext auto-key systems. In addition, the text contains general principles for the solution of cipher systems employing long or continuous keys. Text contains information concerning the coincidence test, cross-product test, and the monoalphabeticity or phi test.
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2 of 2 people found the following review helpful:
5.0 out of 5 stars
Great Text for learning how to solve Substitution Ciphers,
By Bernard Lavallee (Jericho, VT USA) - See all my reviews
This review is from: Military Cryptanalysis, Part I, Monoalphabetic Substitution Systems (Cryptographic Series, C-30) (Paperback)
Although not a current text, the content is absolutely the best way to learn the basics of Substitution cipher solving including polyalphabetic. I've found none better and I've read almost all of them.
1 of 1 people found the following review helpful:
5.0 out of 5 stars
Military Cryptanalysis,
This review is from: Military Cryptanalysis - Part I: Monoalphabetic Substitution Systems (Paperback)
All 4 volumes of Military Cryptanalysis are available for free download in pdf format at the NSA dot gov web site. Volume names are: mil_crypt_I.pdf mil_crypt_II.pdf mil_crypt_III.pdf mil_crypt_IV.pdf
5.0 out of 5 stars
very good.a long search,
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This review is from: Military Cryptanalysis, Part II, With Added Problems and ComputerPrograms (Cryptographic Series, C-40) (Paperback)
i have been looking for this for years. i had a copy when i was in USMC but it was classified. it is gratifing to know how much i remember.
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