1. A system, comprising: a processor; and memory storing code that when executed causes the processor to perform operations, the operations comprising: retrieving a hash function; generating a tabulation of the hash function; generating keys from the tabulation, with each of the keys having characters; denoting a first of the characters of each of the keys as a head; twisting the head of each of the keys to generate a twisted hash function; and hashing data using the twisted hash function.