algorithme de hachage

CONT: Un algorithme de hachage est une fonction mathématique qui convertit une chaîne de caractères d'une longueur quelconque en une chaîne de caractères de taille fixe appelée digest ou empreinte.

CONT: The hash algorithm could be made pretty simple by just taking the least significant byte of the calling address and use that as the hash.
OBS: In message authentication, a mathematical procedure used to condense an input of any size into a digest of fixed length, typically 160 bits long. Cryptographically strong hash functions are designed so that a forger would find it computationally impossible to devise a different message that would yield the same hash. In other words, the fingerprints generated are virtually unique.