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Later, a salt was added
Instead of using the password directly, a 12-bit salt was chosen
The salt was used to modify the DES algorithm so the results would be different
Now a precomputed dictionary no longer works
Or rather, works on only 1/4096 of the passwords at a time
Alternatively, the attacker needs 4096 dictionaries
In the 1970's this seemed good enough
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Copyright © 2005 M. J. Dominus |