AES Subbyte Transformation Explained Step-by-Step Without S-Box Table 🔐

#AES #Cryptography #CyberSecurity #DataEncryption #SBox #AESAlgorithm #CryptographyTutorial #ComputerSecurity #InfoSec #encryption

In this set of videos, AES subbyte value is calculated using Galois field mathematics.

AES is a variant of the Rijndael block cipher developed by two Belgian cryptographers, Joan Daemen and Vincent Rijmen, who submitted a proposal to NIST during the AES selection process.Rijndael is a family of ciphers with different key and block sizes. For AES, NIST selected three members of the Rijndael family, each with a block size of 128 bits, but three different key lengths: 128, 192 and 256 bits.

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