I stumbled onto the explanation of Rijndael Rcon on Wikipedia, and I can't follow it.
The example for Rcon indicates that Rcon(9) is
That could make sense…
rcon(9) = (2 ^ (9 - 1) mod (256)) + 16 + 8 + 2 + 1
But I don't understand Rcon(10) or anything past that.
Can someone please explain it to me? Also, why is Rcon(0) =