$3\mathrm{.}8\mathrm{.}4.[10]$ Imagine there is another value, called the "pepper" value $($as opposed to the "salt" value$)$ prepended to the sall and password before computing the cryptographic hash. However, unlike the salt, this pepper value is never stored; it is randomly generated at the same time as the salt Describe the impacts on security and usability when the pepper length is a$)1$ byte and b$)16$ bytes.