Talk:Key clustering Source: en.wikipedia.org/wiki/Talk:Key_clustering

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Equivalent keys vs key clustering

Is key clustering exactly the same as equivalent keys? The article is not clear enough whether "clustered keys" in the presence of different plaintexts must also produce the same ciphertexts or not. -- intgr [talk] 11:47, 20 July 2017 (UTC)[reply]

No, key clustering is very different from the issue of equivalent keys. It's an issue having to do with hash tables; namely, that if the hash of two keys are the same, then the values must basically be stored in old-fashioned lists, which causes hash table lookup times to increase. (I'll get rid of the misleading WikiProject Cryptography header and replace it with a WikiProject Computer Science one.) Duckmather (talk) 20:44, 3 June 2021 (UTC)[reply]