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Thanks for helping.

My main programming tool is Python now, but I am still learning how to become a better developer.


Dec
17
comment Why is h(m||k) insecure?
OKay. I read it again. Basically, if the assumption that the hash function is not crypto-safe anymore, then we will see collision at some point. But what about H(K||X). If we use MD5, we not only experience length extension attack, but also collision attack, right?
Dec
17
awarded  Student
Dec
17
asked Why is h(m||k) insecure?
Dec
17
awarded  Supporter