Round key
Round key
One of the \(Nr+1\) arrays of four words that are derived from the block cipher key using the key expansion routine; each round key is an input to an instance of ADDROUNDKEY() in the AES block cipher.
Round key
One of the \(Nr+1\) arrays of four words that are derived from the block cipher key using the key expansion routine; each round key is an input to an instance of ADDROUNDKEY() in the AES block cipher.