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CRYPTOGRAPHIC ALGORITHMS IN SPREADSHEETS

https://doi.org/10.32517/2221-1993-2019-18-8-51-55

Abstract

The article examines three well known cryptographic algorithm — Skytale, Caesar's cipher, Vigenere's cipher and the method of their implementation using spreadsheets. Functions on work with strings, such as calculation of string length, search of a substring position in a string, substring selection, concatenation are considered.

About the Author

N. B. Parshukova
South Ural State University of Humanities and Education
Russian Federation
Chelyabinsk


References

1. Аграновский А. В., Хадли Р. А. Практическая криптография. Алгоритмы и их программирование. М.: СОЛОН-ПРЕСС, 2009. 256 c. http://www.iprbookshop.ru/8641.html

2. Очков В. Ф. Mathcad и криптография // Информатика в школе. 2013. № 10. С. 57–58.

3. Поляков К. Ю., Еремин Е. А. Информатика. Углубленный уровень: учебник для 10 класса: в 2 ч. Ч. 2. М.: БИНОМ. Лаборатория знаний, 2013. 304 с.

4. Функции Excel по категориям. https://support.office.com/ru-ru/article/Функции-excel-по-категориям-5f91f4e9-7b42-46d2-9bd1-63f26a86c0eb


Review

For citations:


Parshukova N.B. CRYPTOGRAPHIC ALGORITHMS IN SPREADSHEETS. Informatics in school. 2019;(8):51-55. (In Russ.) https://doi.org/10.32517/2221-1993-2019-18-8-51-55

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ISSN 2221-1993 (Print)