This is an implementation of Apple’s custom MD5 hasher as a python module. This hasher is used in the DAAP authentication protocol, as documented at http://crazney.net/programs/itunes/authentication.html by David Hammerton.

To quote from the Digest::MD5::M4p docs:

“

If you don’t know why this is so, don’t bother with this module! It is incompatible with RSA and RFC standards!

”

This module is used by PythonDaap to construct authentication hashes for recent versions of iTunes. You can find it as part of the PythonDaap code.