Cryptanalysis

Häftad, Engelska, 2000

139 kr

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Beskrivning

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.

Produktinformation

Utgivningsdatum:2000-02-01
Mått:145 x 213 x 15 mm
Vikt:305 g
Format:Häftad
Språk:Engelska
Antal sidor:256
Förlag:Dover Publications Inc.
ISBN:9780486200972

Utforska kategorier

Systemvetenskap och AI inom Data och IT
IT-säkerhet inom Data och IT

Innehållsförteckning

PrefaceGeneral InformationConcealment DevicesTransposition TypesGeometrical Types--The Nihilist TranspositionGeometrical Types--The Turning GrilleIrregular Types--Columnar Transposition"General Methods--Multiple Anagramming, Etc."Substitution TypesSimple Substitution--FundamentalsThe Consonant-Line Short CutA Method for Attacking Difficult Cases (by George C. Lamb)Simple Substitution with ComplexitiesMultiple-Alphabet Ciphers--The Vigenere"The Gronsfeld, Porta, and Beaufort Ciphers"The Kasiski Method for Periodic CiphersMiscellaneous Phases of Vigenere DecryptmentAuto-EnciphermentSome Periodic Number-CiphersPeriodic Ciphers with Mixed AlphabetsPolyalphabetical Encipherment Applied by GroupsVigenere with Key-ProgressionPolygram Substitution--The Playfair CipherHighlights of Fractional SubstitutionInvestigating the Unknown CipherAppendixEnglish Frequency and Sequence DataComparative Table of Single-Letter FrequenciesChart Showing Normal Contact Percentages (by F.R. Carter)Chart Showing Frequencies of English Digrams (by O. Phelps Meaker)Some Foreign Language DataBibliography (by W.D. Witt)The Commonest English Words (by Frank R. Fraprie)English Trigrams (by Frank R. Fraprie)English Digrams (by Frank R. Fraprie)SolutionsIndex