![]() When users input their passwords to authenticate, those passwords are passed through the hashing function again and the resulting hashes are compared with the ones that were stored in the database when those passwords were originally created. For security reasons modern websites store hashes in their databases instead of passwords. Hashing is a form of one-way encryption where plaintext data, be it a password, a credit card number or something else is passed through an algorithm to generate a unique cryptographic representation of it, a random-looking string of characters referred to as a hash.Ī hash is not meant to be decrypted to recover the original plaintext information, but can be used to validate that information if inputted at a later time.
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