md5 func

any way to decrypt as i'm thinking about encrypting my email address's in the db so i would need a way to decyrpt to send emails?

I'm not sure if there is a way to do it in emails.

I'd just decrypt it from an online decrypter.

No such thing as a completely working decryptor. They mostly use rainbow patterns.

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Originally Posted by Invent

No such thing as a completely working decyrptor. They mostly use rainbow patterns.

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Not all of the entries would work, but a few do.

If your encrypting emails use base64_encode then you decode with base64_decode

I agree with Richard. Thats the best thing to do if you need to decrypt and use it later. But md5() is good for passwords.

Yeh, use md5 for passwords.

If you are looking for a more secure and effective way then I recommend the mcrypt functions in PHP:

http://us3.php.net/mcrypt

For a secure cipther I recommend the "MCRYPT_RIJNDAEL_256" cipher - Its used by the US Goverment for top secret documents.

Just thinking of client confidentiality and if we were hacked which i hope not.

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Originally Posted by Eccentric

Just thinking of client confidentiality and if we were hacked which i hope not.

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But if it was decriptable on your site anyway, if you got hacked it wouldn't stop them from getting the info.