ADS netlogon crypto challenge

tridge at tridge at
Thu Jun 3 03:00:17 GMT 2004

Anyone feel like a bit of a challenge? Fancy yourself as a

Have a look at

This problem is the current stumbling block to Samba4 being an Active
Directory domain controller. Windows clients can join a Samba4 ADS
domain, but they can't login as we haven't worked out the algorithm
shown in the above bit of code.

To try your hand, download the above code and run on a x86 linux
machine (sorry, it assumes little-endian, please feel free to fix that
if you wish). Modify the algorithm until it says "Credential right!".

A brief moment of fame can be yours!

Cheers, Tridge

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