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Creating a md5(base64) or sha1(base64) password has in PHP

Last week I was trying to figure out how to get a 28 character md5. An application I was trying to generate passwords required what looked to be a 28 char hash.

First off I tried:

echo base64_encode(md5($password));

This returned way too many characters. After doing some research I found out it needs to be the binary out put of an md5. PHP 5+ has this option.

If the optional raw_output is set to TRUE, then the md5 digest is instead returned in raw binary format with a length of 16

To get the md5 binary format in php add TRUE to the md5() function.

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