Proposed Method to Enhance the Security of Blowfish Algorithm
Engineering and Technology Journal,
2011, Volume 29, Issue 13, Pages 2648-2661
AbstractThe selective application of technological and related procedural safeguards is an important responsibility of every organization in providing adequate security to its electronic data systems. Protection of data during transmission or while in storage may be necessary to maintain the confidentiality and integrity of the information represented by the data. This paper introduces a proposed method to enhance the complexity of the Blowfish algorithm. This is done by using an operation depends on using eighteen multiple keys, each key consists of a combination of 4 states (0, 1, 2, 3) instead of the ordinary 2 state key (0, 1) applied during the 16 round of Blowfish algorithm,
according the analysis of results found the new approach provide more secure and more robustness to cryptanlaysis methods.
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