Lecture notes on Computer and network security: Lecture 8 - Avinash Kak
Lecture notes on Computer and network security: Lecture 8 - Avinash Kak
Lecture 8 - AES: The advanced encryption standard. In this chapter you will learn: Salient features of AES, the encryption key and its expansion, the overall structure of AES, the four steps in each round of processing, the substitution bytes step: subbytes and invsubbytes, the shift rows step: shiftrows and invshiftrows, the mix columns step: mixcolumns and invmixcolumns, the key expansion algorithm.