![]() This does not stop it from making rainbow tables useless. Salt is not secret, it can be kept as plaintext. As a result, rainbow tables become unusable. Salt is additional unique data that is added to the password. Thanks to it, a seemingly impossible operation becomes possible: recovering data from the checksum, for example, from the MD5 hash, we can recover the original string for which the MD5 checksum was calculated.Īs a result of the emergence of the concept of rainbow tables, salt hashing and iterated hashing are now ubiquitous. That is, a hash is searched in rainbow tables, if it is found, then we look at which password it matches. They are databases in which a computed hash corresponds to a password. Rainbow tables are precomputed hashes that are used to recover passwords from a captured hash very quickly. ![]() ![]() ![]() Rainbow tables to brute-force Wi-Fi passwords ![]()
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