Performance Examination of AES Encryption Algorithms with Constant and Dynamic Rotation

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Provided by: Cairo University
Topic: Security
Format: PDF
Lately, Rijndael has been standard by the NIST as the Advanced Encryption Standard (AES). This makes the AES essential and necessary on Federal agencies for protection data. The authors say what occurs when reconfigure the structure of the Advanced Encryption Standard (AES), especially in constant rotation and replaced it with variable rotation, the rotation occurs in key expansion, cipher and inverse cipher. They demonstrate that replacements can develop twin ciphers which are similar to the original one called Dynamic Rotation for Advanced Encryption Standard (DRAES). Rotation is vital for confusion and diffusion; they played an important role in any cryptography techniques. Confusion and diffusion make the use of key thus more very complex and very difficult to discover it.
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