This is an old revision of this page, as edited by Matt Crypto (talk | contribs) at 14:29, 12 April 2004 (hash fn link, -redundant list of later hashes, -recommendation, other tweaks). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 14:29, 12 April 2004 by Matt Crypto (talk | contribs) (hash fn link, -redundant list of later hashes, -recommendation, other tweaks)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)MD4 is a message digest algorithm (the fourth in a series) designed by Professor Ronald Rivest of MIT. It implements a cryptographic hash function for use in message integrity checks. The digest length is 128 bits. The algorithm has influenced later designs, such as the MD5, SHA and RIPEMD algorithms.
Weaknesses in MD4 were demonstrated by Den Boer and Bosselaers in a paper published in 1991. Many of the subsequent message digest designs based on it remain secure, in the sense that no effective attack has been published against them.
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