Elementary cryptanalysis (Registro nro. 115799)
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| 000 -LEADER | |
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| fixed length control field | 03568cam a22003493u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 75074 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | UtSlPG |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260610134734.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS | |
| fixed length control field | m |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
| fixed length control field | cr n |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 260607r20251939utu|||||o|||||||||||||| d |
| 010 ## - LIBRARY OF CONGRESS CONTROL NUMBER | |
| LC control number | 39031782 |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | UtSlPG |
| 041 #7 - LANGUAGE CODE | |
| Language code of text/sound track or separate title | en |
| Source of code | iso639-1 |
| 050 #4 - LIBRARY OF CONGRESS CALL NUMBER | |
| Classification number | Z |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Gaines, Helen Fouché, |
| Dates associated with a name | 1888-1940 |
| 245 10 - TITLE STATEMENT | |
| Title | Elementary cryptanalysis |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Place of production, publication, distribution, manufacture | Salt Lake City, UT : |
| Name of producer, publisher, distributor, manufacturer | Project Gutenberg, |
| Date of production, publication, distribution, manufacture, or copyright notice | 2025 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 1 online resource : |
| Other physical details | multiple file formats |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Content type code | txt |
| Source | rdacontent |
| 337 ## - MEDIA TYPE | |
| Media type term | computer |
| Media type code | c |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | online resource |
| Carrier type code | cr |
| Source | rdacarrier |
| 500 ## - GENERAL NOTE | |
| General note | Release date is 2025-01-09 |
| 505 0# - FORMATTED CONTENTS NOTE | |
| Formatted contents note | 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 Vigenère -- The Gronsfeld, Porta, Beaufort ciphers -- The Kasiski method for periodic ciphers -- Miscellaneous phases of Vigenère decryptment -- Auto-encipherment -- Some periodic number-ciphers -- Periodic ciphers with mixed alphabets -- Polyalphabetical encipherment applied by groups -- Vigenère 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. |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | "Elementary Cryptanalysis" by Helen Fouché Gaines is a scientific publication written in the late 1930s. This work serves as an instructional guide on the analysis and deciphering of various types of ciphers, primarily aimed at enthusiasts and students interested in cryptography. The book claims to fill a significant gap in English-language literature regarding cryptanalysis, providing readers with both theoretical knowledge and practical examples of how to solve cryptograms. The opening portion of the text introduces the definitions of key terms in cryptography, such as cryptography and cryptanalysis, while also highlighting the scarcity of accessible works on the latter topic for general readers. Gaines outlines the main types of ciphers, including concealment, transposition, and substitution, and emphasizes that her treatise focuses on basics rather than historical or literary aspects of ciphers. The preface sets up an educational framework to equip readers with the fundamentals they need to analyze and solve cryptograms, supported by a wealth of examples and exercises designed to test their skills. (This is an automatically generated summary.) |
| 534 ## - ORIGINAL VERSION NOTE | |
| Introductory phrase | Originally published: |
| Publication, distribution, etc. of original | Boston: American Photographic Publishing Co., 1939 |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Cryptography |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Ciphers |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Lamb, George C. |
| Fuller form of name | (George Chester), |
| Dates associated with a name | 1906-1939 |
| 856 4# - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://openlibrary.org/works/OL7515752W/Cryptanalysis?edition=key%3A/books/OL7634764M">https://openlibrary.org/works/OL7515752W/Cryptanalysis?edition=key%3A/books/OL7634764M</a> |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://www.gutenberg.org/ebooks/75074">https://www.gutenberg.org/ebooks/75074</a> |
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