How is the key image impossible to describe?
There are only 4 possible colors per cell. You just describe it like 0,1,2,3,2,0, etc Just as if you were reading off the real key.
There are only 4 possible colors per cell. You just describe it like 0,1,2,3,2,0, etc Just as if you were reading off the real key.
Uh, 4^(8*8)=2^128 is a pretty large number.