Ahhh.... my favorite subject. Privacy.
There are two PHP functions that do _exactly_ what you're looking for.
Mcrypt_encrypt and mcrypt_decrypt. If you're looking for just enough
encryption to keep the curious out, use a single password for all
encryption. If you want military-grade encryption, have each person
choose a (strong) password. I'd suggest Rinjdael or twofish as the
encrypting algorithm.
On Thu, 1 Mar 2001, Dreamvale wrote:
> Hi,
>
> I have a situation where some sensitive information need to be stored in a
> database, eg salary, medical info, etc.
>
> the data are only meant for the particular employees.
>
> however, the root user will have all the power to retrieve both the key
> (stored somewhere either in a file, or php scripts, or db), and the database
> too, hence can (not necessary will) read the sensitivie information.
>
> is there any techniques, or products to be used to solve this problem?
>
> thanks.
>
>
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