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Suppose that we have a symmetric 256-bit master key, and we want to encrypt using AES-GCM with random IVs. I understand that with random IVs, the lifetime of the master key is 2^32 in order to conform ...
Suppose a collision has been found in a certain hash function,
such that H(x1) = H(x2)
However, x1 and x2 are both a seemingly 'random' collection of bits which do not convey a coherent message, and ...