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International Journal of Nonlinear Analysis and Applications، جلد ۱۲، شماره ۲، صفحات ۴۴۷-۴۵۴
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عنوان انگلیسی A Robust Encryption Technique Using Enhanced Vigenre Cipher
چکیده انگلیسی مقاله A lot of data in this world are very important and no matter how simple it can be. Hence the number of data conveyed through the internet still increasing due to the rapid development of computer technology. In order to save the data over the internet, cryptography is a technique for conveying information securely between two parties without interference from outside elements. The Vigenre cipher is a technique of encrypting alphabetic text via using a sequence of different Caesar ciphers depend on the letters of a keyword. It is a simple form of polyalphabetic replacement. In this paper, the traditional way for the Vigenre method is enhanced by using two keys for text encryption. The first key is used to format the table of the alphabet (26 characters) and second keys are used to encrypt the plain text like the original Vigenre cipher. The result shows the proposed method is efficient and stronger against the kasiski and Friedman attack to find the length of the key.
کلیدواژه‌های انگلیسی مقاله cryptography, Vigenre cipher, polyalphabetic, encryption and decryption
نویسندگان مقاله Hazim Noman Abed |
Computer Science Department, College of Science, University of Diyala, Diyala, Iraq

Zainab Mohammed Ali |
Computer Science Department, College of Science, University of Diyala, Diyala, Iraq

Ahmed Luay Ahmed |
Supervision and Scientific Education Apparatus, International Accreditation Department, Ministry of Higher Education, Iraq

نشانی اینترنتی https://ijnaa.semnan.ac.ir/article_5071_7283a705c20580ae37d40cd59b76c968.pdf
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