The first step in converting a plaintext to ciphertext by the famous Advanced Encryption Standard (AES), which is called Rijndael ByteSub Transformation, involves some operations: computing a multiplicative inverse, m...
This research aims to study various Symmetrical Algorithms, while the main objective of this study is to find out a suitable algorithm for the encryption of any specific size of text file where the experiment of each ...
supported by National Natural Science Foundation of China (Grant Nos. 61402288, 61772129, 61601292, 61672347, 61472250);Foundation of Science and Technology on Information Assurance Laboratory (Grant No. KJ-17-008);Shanghai Natural Science Foundation (Grant Nos. 15ZR1400300, 16ZR1401100);Opening Project of the Shanghai Key Laboratory of Integrated Administration Technologies for Information Security (Grant No. AGK201703);Opening Project of the Shanghai Key Laboratory of Scalable Computing and Systems;National Cryptography Development Fund, and Fundamental Research Funds for the Central Universities
Rijndael is a substitution-permutation network(SPN) block cipher for the AES development process. Its block and key sizes range from 128 to 256 bits in steps of 32 bits, which can be denoted by Rijndael-b-k, where b a...