So this whole reading was a little bit hard for me. I understand the idea of what a hash function should do, that it should make data more compact, which I can see the benefit of that. However designing one seems very complex to me. Im not even entirely sure when it says that we are only looking for some m' with h(m') = y. So we aren't looking for m? Just what y is?
Somewhere along the lines of computing the inverses of one way functions kind of messed me up...
Even just XORing the vectors and making an array in the "simple" example was enough to scare me off. I guess I'm not a real cryptographer yet.
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