On a scale ranging from '0' for 'one-way requirement disproved' to '10' for 'can be regarded as definitively secure (i.e. colision resistant)' the author would estimate the cryptographic strength of the MD4-like hash functions to b as follows: Of course the precise grades in this table Should not be taken literally. There is no Objective measure for cryptographic strength. The intention of the table is to give an Indication of how the relative security can be Rated form the author's point of view.
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