How do I create SHA512 hash

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jacque
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Re: How do I create SHA512 hash

Post by jacque » Mon Jan 29, 2018 6:36 pm

The salt can be different on every device, it doesn't matter. The string will decrypt properly on the server and after that you can see if the credentials are correct. If you are storing passwords encrypted on the server (you should) you will need to re-encrypt them with a known salt value before storing them.
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Re: How do I create SHA512 hash

Post by FourthWorld » Mon Jan 29, 2018 8:21 pm

I would caution against storing passwords on a server, even if encrypted. Store only a hash, and a strong one.

The hash needn't be on the client device. Simpler if it isn't. You could add a UUID field to the user DB and use that as salt when hashing.
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Re: How do I create SHA512 hash

Post by teriibi » Mon Jan 29, 2018 8:23 pm

Well, yes its on server...and yes it will be Hash
(looking for the LC syntax in order to use the latest SHA512..If anyone ever ran test with it)

I m thinking of using a Server DB for various 200 users groups, is that conidered as "small" (using same apps)

So distinct group`s member would need to keep their privacy within own groups and between each groups.
I have to figure out a hashing that is as good as it can be but at the same time that could eventually be as simple as pos for a multi group, multi users scheme...(lets say for instance Sport team mbers)

later I´m likely to want to share some datas between selected groups of teams,
i.e. Sports scores for a group of Teams, though that would be in another table.

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