[Twisted-Python] PB and hashed passwords
Uwe C. Schroeder
uwe at oss4u.com
Fri Apr 23 02:13:21 EDT 2004
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just found something in pb (twisted version 1.2.0) that's a bit strange.
I've written a credentials checker and set
self.credentialInterfaces = (credentials.IUsernamePassword,)
So far, so good. However the following error is thrown:
No checker for twisted.cred.credentials.IUsernameHashedPassword,
I traced it back to pb._PortalAuthChallenger
It only implements hashed and md5 passwords. Maybe I don't get it, but where
is the sense in sending a password in cleartext over the wire to then md5 it
on the "server" side ?
I'd rather md5 it on the client side and send the hash to be compared against
the password storage, which also stores a md5.
I tried to do this by using plaintext passwords, since the routines then
simply compare without md5'ing it, but it doesn't seem to be possible to use
plaintext with pb without changing something. Can I user-define a class to
jump in there ?
Any enlightenment is appreciated.
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