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Ultra Encryption Standard (UES) Version-IV: New Symmetric key Cryptosystem with bit-level columnar Transposition and Reshuffling of bits
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 51 - Number 1 |
| Year of Publication: 2012 |
| Authors: Satyaki Roy, Navajit Maitra, Joyshree Nath, Shalabh Agarwal, Asoke Nath |
10.5120/8007-1361
|
Satyaki Roy, Navajit Maitra, Joyshree Nath, Shalabh Agarwal, Asoke Nath . Ultra Encryption Standard (UES) Version-IV: New Symmetric key Cryptosystem with bit-level columnar Transposition and Reshuffling of bits. International Journal of Computer Applications. 51, 1 ( August 2012), 28-35. DOI=10.5120/8007-1361
Abstract
The present paper is an extension of the previous work of the authors i. e. UES version-II and III. Roy et al recently developed few efficient encryption methods such as UES version-I, Modified UES-I, UES version-II, UES version-III. Nath et al developed some methods such as TTJSA, TTSJA and DJMNA which are most suitable methods to encrypt password or any small message. The introduction of multiple feedbacks in TTJSA and TTSJA it was found that the methods were free from any brute force attack or differential attack or simple plain text attack. The authors proposed the present method i. e. Ultra Encryption Standard Version-IV. It is a Symmetric key Cryptosystem which includes multiple encryption, bit-wise reshuffling method and bit-wise columnar transposition method. In the present work the authors have performed the encryption process at the bit-level to achieve greater strength of encryption. In the result section the spectral analysis is done on repeated characters. The authors proposed method i. e. UES-IV can be used to encrypt short message, password or any confidential key.
References
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- Cryptography and Network, Willian Stallings, Prentice Hall of India.
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- An Integrated symmetric key cryptography algorithm using generalized vernam cipher method and DJSA method: DJMNA symmetric key algorithm, Debanjan Das, Joyshree Nath, Megholova Mukherjee, Neha Chaudhury and Asoke Nath, Proceedings of IEEE conference WICT-2011 held at Mumbai University Dec 11-14,2011
- Symmetric key cryptosystem using combined cryptographic algorithms-generalized modified Vernam cipher method, MSA method and NJJSAA method: TTJSA algorithm, Trisha Chatterjee, Tamodeep Das, Joyshree Nath, Shyan dey and asoke Nath, Proceedings of IEEE conference WICT-2011 held at Mumbai University Dec 11-14, 2011.
- Ultra Encryption Standard (UES) Version-II: Symmetric Key Cryptosystem using generalized modified Vernam Cipher method, Permutation method, Columnar Transposition method and TTJSA Method, Satyaki Roy, Navajit Maitra, Shalabh Agarwal and Asoke Nath, Proceedings of the 2012 International Conference on Foundation of Computer Science, held at Las Vegas, July 14-19, Page 97-104.
- Ultra Encryption Standard (UES) Version-III: Symmetric Key Cryptosystem With Bit-level Encryption Algorithm, Satyaki Roy, Navajit Maitra, Shalabh Agarwal, Joyshree Nath, Asoke Nath, International Journal of Modern Education and Computer Science (IJMECS), Volume 4 Number 7, July 2012.
- Ultra Encryption Algorithm (UEA): Bit level Symmetric key Cryptosystem with randomized bits and feedback mechanism International Journal of Computer Application (IJCA) Volume 49 number 5, Satyaki Roy, Navajit Maitra, Shalabh Agarwal, Joyshree Nath, Asoke Nath, July, 2012.
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