md5 auth procotol - can it be replayed?

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От Nagy László Zsolt
Тема md5 auth procotol - can it be replayed?
Дата
Msg-id 572E0BFE.7040709@shopzeus.com
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Ответы Re: md5 auth procotol - can it be replayed?
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How the md5 hashed authentication method works? Is it protected against
replay attacks? Here is what I have in mind:

* If the server stores salted hashed passwords, then I do not see how
the server could authenticate the users without getting the password in
clear text?
* If the server stores (unsalted) password hash values, then basically
there is almost no difference between a clear text password and an md5
hash, because anyone can replay the send the same hash value and log in
again.

Am I missing something?

Thanks,

   Laszlo




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