[Boneh-crypto-course] Botched problem set #4.

[Jason Orendorff]

On Tue, Apr 17, 2012 at 2:10 AM, Jim Blandy <jimb at red-bean.com> wrote:
> Wow, I really don't know how to answer #5. Need to meditate on that.
> Perhaps after some sleep.

So, that's the one that asks "this MAC is secure if the underlying
block cipher is _______" and you're supposed to fill in whichever
notion of encryption security makes it secure, right? That one
definitely had me looking back over all my notes.

I would attempt a hint but I'm not sure where you might be stuck.
Actually I suspect it'll look different to you after some sleep.

-j