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Papers from EPRINT 2004
In~\cite{B02} it was proved that 20 out of 64 PGV-hash functions~\cite{P94} based on block cipher are collision resistant and one-way-secure in black-box model of the underlying block cipher. Here, we generalize the definition of PGV-hash function into a hash family and we will prove that besides the previous 20 hash functions we have 22 more ...