$2\mathrm{.}2$ Task $1$: Local Signatures $(50\%)$

Without server$/$client$($e$.$g$.,$ simply in the main function of your rsa.py$),$ do the

following

$1.$ Read a file$/$message$.$

$2.$ Hash it$.$

$3.$ Sign the hash.

$4.$ Verify the signature.

The interface of sign and verify functions can be like:

$$ sig $=$ Sign$($bytes$)$

$$ result $=$ Verify$($sig$,$ bytes