PHP hasing question - Printable Version

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PHP hasing question - Mado - 01.02.2013

Hi,

I have a small question about hashing information in PHP and SQL:

I know with the HashBytes function you can hash an input (password in this case), do you have to re-hash the input upon logging in, and then see if the outputs match?

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Re: PHP hasing question - playbox12 - 01.02.2013

Of course. Whats the point of encrypting a password if it can be decrypted and read?

When a player registers or sets his password you hash it and store it in the DB.
When a player logs in, or has to input his password somewhere, you hash his input and compare it to the stored value.

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Re: PHP hasing question - Biesmen - 01.02.2013

Re-hash? If you hashed the input when the user registered, you obviously have to hash the input when he logs in as well.

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Re: PHP hasing question - Mado - 01.02.2013

Ah, alright. Already thought so but some people who said they had knowledge about it told me the point is decrypting it.

Thank you, though.

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