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The avalanche effect is an important performance that any block cipher must have. Based on the analysis of the KASUMI block cipher and with the KASUMI algorithm program and experiments, the changed ciphertext and the changed bits numbers are given by changing every bit of the plaintext. The avalanche effect of the 64-bit KASUMI plaintext is presented by the detail test data in this paper.
The Camellia algorithm has four S boxes called as S1, S2, S3 and S4. Because the S1-box is the core of other S boxes, the avalanche property of S boxes can be studied through testing the avalanche property of S1-box. The test results show that the Camellia S-box basically meet the strict avalanche criterion.
Based on the finite field theory, a common matrix equation on g-function of S1-box of Camellia algorithm is deduced, which is clear more than Camellia documents and very useful to understanding and using Camellia algorithm.
The avalanche effect is an important performance that any block cipher must have. With the AES algorithm program and experiments, we fully test and research the avalanche effect performance of the AES algorithm, and give the changed cipher-bit numbers when respectively changing every bit of the plaintext and key in turn. The test results show that the AES algorithm has very good avalanche effect Performance...
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