Active Members Usr6 Posted April 7, 2016 Active Members Report Posted April 7, 2016 Part I: Monoalphabetic Substitution Systems https://www.nsa.gov/public_info/_files/military_cryptanalysis/mil_crypt_I.pdf PART II. SIMPLER VARIETIES OF. POLYALPHABETIC SUBSTITUTION SYSTEMS https://www.nsa.gov/public_info/_files/military_cryptanalysis/mil_crypt_II.pdf Part III. SIMPLER VARIETIES. OF APERIODIC SUBSTITUTION SYSTEMS https://www.nsa.gov/public_info/_files/military_cryptanalysis/mil_crypt_III.pdf Part IV. TRANSPOSITION AND FRACTIONATING SYSTEMS https://www.nsa.gov/public_info/_files/military_cryptanalysis/mil_crypt_IV.pdf 3 Quote
Active Members Usr6 Posted April 25, 2016 Author Active Members Report Posted April 25, 2016 Elementary Military Cryptographyhttps://www.nsa.gov/public_info/_files/friedmanDocuments/Publications/FOLDER_236/41760529079966.pdf Advanced Military Cryptographyhttps://www.nsa.gov/public_info/_files/friedmanDocuments/Publications/FOLDER_239/41748809078800.pdf 2 Quote
