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Asked: 2026-05-27T05:16:30+00:00

I need to save the password to database.I get confused in encryption,hash using sha-256

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I need to save the password to database.I get confused in encryption,hash using sha-256 ,salt generation method .If any one explains the basic concept behind this then it will be helpful

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  1. Editorial Team

    The follow is a very basic explanation, anyway…

    • Encryption is a reversible method to crypt the data. So if you have “password” a encryption method convert it into (for example) “ufmehlejw” and then you are able to get again “password”.
    • An hash function (one of them is the sha-256) is a function that once it’s used on a string you have no way to recover the original string.
    • A salt is a string which usually prorammers (and not only, of course) use to mix the given password. It’s usually randomly generated. A salt is used to extend the original data before using an hash function. The goal of the salt is to avoid attackers to discover the original password of a user from a stolen hash using rainbow tables.
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