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About: Nimbus (cipher)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Message106253690, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatBrokenBlockCiphersnobleyago:Abstraction100002137yago:Cipher106254239yago:Communication100033020yago:Message106253690 New Facet based on Instances of this Class

In cryptography, Nimbus is a block cipher invented by in 2000. It was submitted to the NESSIE project, but was not selected. The algorithm uses a 128-bit key. It operates on blocks of 64 bits and consists of 5 rounds ofencryption. The round function is exceedingly simple. In each round the block is XORed with a subkey, the order of its bits is reversed, and then it is multiplied mod 264 by another subkey, which is forced to be odd. Nimbus was broken by ; he found a differential attack using only 256 chosen plaintexts.