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Cryptanalysis : a study of ciphers and their solution / Helen Fouche Gaines.

By: Gaines, Helen Fouché.
Material type: materialTypeLabelBookPublisher: New York : Dover Publications, 1967Description: vi, 237 p. ; 21 cm.ISBN: 0486200973.Other title: Elementary cryptanalysis.Subject(s): CryptographyDDC classification: 652.8
Contents:
General information -- Concealment devices -- Transposition types -- Geometrical types - The Nihilist Transposition -- Geometrical types - The Turning Grille -- Irregular types - Columnar transposition -- General methods - Multiple Anagramming, etc. -- Substitution types -- Simple substitution - Fundamentals -- The consonant-line short cut a method for attacking difficult cases (By George C. Lamb) -- Simple substitution with complexities -- Multiple-alphabet ciphers - The Vigenere -- The gronsfeld, porta and beaufort ciphers -- The Kasiski method for periodic ciphers -- Miscellaneous phases of Vigenere Decryptment -- Auto-Encipherment -- Some periodic number-Ciphers -- Periodic ciphers with mixed alphabets -- Polyalphabetical encipherment applied by groups -- Vigenere with key-progression -- Polygram substitution - The Playfair Cipher -- Highlights of Fractional Substitution -- Investigating the unknown Cipher.
Holdings
Item type Current library Call number Copy number Status Barcode
General lending MTU Bishopstown Library Lending 652.8 (Browse shelf(Opens below)) 1 Available 00092096
Total holds: 0

Enhanced descriptions from Syndetics:

Gaines's Cryptanalysis (formerly published as Elementary Cryptanalysis ) is a standard elementary and intermediate text for persons seriously interested in modern science methods for enciphering and deciphering cryptograms. It does not simply repeat older material, but contains much about modern cryptanalysis that is not generally known except to experts. It is especially strong in modern forms of cipher solution.
This clear and thorough text also provides the reader with 166 specimen codes to solve. This edition for the first time also includes solutions. A special appendix includes final letters, sequence charts, digram, trigram tables, most common words in English and frequencies in English, German, French, Italian, Spanish, and Portuguese.

Includes index.

General information -- Concealment devices -- Transposition types -- Geometrical types - The Nihilist Transposition -- Geometrical types - The Turning Grille -- Irregular types - Columnar transposition -- General methods - Multiple Anagramming, etc. -- Substitution types -- Simple substitution - Fundamentals -- The consonant-line short cut a method for attacking difficult cases (By George C. Lamb) -- Simple substitution with complexities -- Multiple-alphabet ciphers - The Vigenere -- The gronsfeld, porta and beaufort ciphers -- The Kasiski method for periodic ciphers -- Miscellaneous phases of Vigenere Decryptment -- Auto-Encipherment -- Some periodic number-Ciphers -- Periodic ciphers with mixed alphabets -- Polyalphabetical encipherment applied by groups -- Vigenere with key-progression -- Polygram substitution - The Playfair Cipher -- Highlights of Fractional Substitution -- Investigating the unknown Cipher.

Table of contents provided by Syndetics

  • Preface
  • General Information
  • Concealment Devices
  • Transposition Types
  • Geometrical Types-The Nihilist Transposition
  • Geometrical Types-The Turning Grille
  • Irregular Types-Columnar Transposition
  • "General Methods-Multiple Anagramming, Etc."
  • Substitution Types
  • Simple Substitution-Fundamentals
  • The Consonant-Line Short Cut
  • A Method for Attacking Difficult Cases (by George C. Lamb)
  • Simple Substitution with Complexities
  • Multiple-Alphabet Ciphers-The Vigenere
  • "The Gronsfeld, Porta, and Beaufort Ciphers"
  • The Kasiski Method for Periodic Ciphers
  • Miscellaneous Phases of Vigenere Decryptment
  • Auto-Encipherment
  • Some Periodic Number-Ciphers
  • Periodic Ciphers with Mixed Alphabets
  • Polyalphabetical Encipherment Applied by Groups
  • Vigenere with Key-Progression
  • Polygram Substitution-The Playfair Cipher
  • Highlights of Fractional Substitution
  • Investigating the Unknown Cipher
  • Appendix
  • English Frequency and Sequence Data
  • Comparative Table of Single-Letter Frequencies
  • Chart Showing Normal Contact Percentages (by F.R. Carter)
  • Chart Showing Frequencies of English Digrams (by O. Phelps Meaker)
  • Some Foreign Language Data
  • Bibliography (by W.D. Witt)
  • The Commonest English Words (by Frank R. Fraprie)
  • English Trigrams (by Frank R. Fraprie)
  • English Digrams (by Frank R. Fraprie)
  • Solutions
  • Index
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