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A Generalized Key Scheme in a Block Cipher Algorithm and its Cryptanalysis
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 49 - Number 9 |
| Year of Publication: 2012 |
| Authors: Soosaimicheal Aruljothi, Mandadi Venkatesulu and |
10.5120/7652-0747
|
Soosaimicheal Aruljothi, Mandadi Venkatesulu and . A Generalized Key Scheme in a Block Cipher Algorithm and its Cryptanalysis. International Journal of Computer Applications. 49, 9 ( July 2012), 1-6. DOI=10.5120/7652-0747
Abstract
The prominent block cipher algorithms use two key schemes that characterize different use of keys in the encryption/decryption process. In the family of DES algorithms the keys are used as position pointers for input matrix; in the family of AES algorithm the keys are used as co operand with input matrix. The proposed crypt algorithm combines the idea of keys as position pointers and input matrix as co operand in the encryption/decryption process. The novel use of keys characterizes the nature of the proposed algorithm. This new algorithm found to outperform the existing cryptographic strategies in the common cryptanalysis criteria. This paper discusses and presents a crypt analysis of a new block cipher algorithm based on generalized key scheme.
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