2012-10-29

Encoding sambaNTPassword With Python

Samba's sambaNTPassword attribute, which mimics the corresponding NT / Active Directory attribute, has a value that must be a hex encoded MD4 hash of the user's password with a UTF-16 encoding.  Fortunately generating such a string is a Python one-liner.

import hashlib

password = 'fred123'
nt_password = hashlib.new( 'md4', password.encode('utf-16le')).digest().encode('hex').upper( )

Note that Samba wants all the alpha characters in the string as upper-case.The result will always be 32 characters long.

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