Database encryption using enhanced affine block cipher algorithm

Authors:
Noor Habibah Arshad;Saharbudin Naim Tahir Shah;Azlinah Mohamed;Abdul Manaf Mamat
Affiliations:
Faculty of Information Technology & Quantitative Sciences, Universiti Teknologi MARA, Selangor, Malaysia;Faculty of Information Technology & Quantitative Sciences, Universiti Teknologi MARA, Selangor, Malaysia;Faculty of Information Technology & Quantitative Sciences, Universiti Teknologi MARA, Selangor, Malaysia;Faculty of Information Technology & Quantitative Sciences, Universiti Teknologi MARA, Selangor, Malaysia
Venue:
MMACTEE'08 Proceedings of the 10th WSEAS International Conference on Mathematical Methods and Computational Techniques in Electrical Engineering
Year:
2008

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Abstract

Databases are vulnerable to attack from internal and external threats. Sensitive data stored in database appeared as target to attackers. Adding the database encryption, valuable information in database becomes more secure since the encrypted data ensure the confidentiality of the data. A new affine block cipher named Enhanced Affine Block Cipher technique is proposed for database encryption. This algorithm improves the weakness of the original affine cipher. The new encoding schema and modification Cipher Block Chaining (CBC) mode of operation for block cipher is designed for the new algorithm. The result has shown that the algorithm is working properly, where the decryption process produced similar output as the original plaintext and it ran through specified configuration and evaluated thoroughly with respect to database approach and algorithm technique to prove the design.