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RE: Values to use for a salt?: msg#00043security.programming
> I think (and I'm aware that I might prove wrong) that salt is for weak > algorithms and weak passwords, set by regular users, not by a security > administrator. But I would not let regular users set their own passwords, > and use them for years ... > > Regards, > Marian For a dictionary attack the algorithm is irrelevant: the outcome is calculated in advance. An attacker has time. A week or two extra to build the hashed dictionary won't really matter. And I am not even talking about government intelligence agencies (CIA, FBI, GCHQ, Mossad) with their $10,000,000 Cray supercomputers. A salt is needed more with weak passwords than strong passwords because weak passwords can be found with a normal dictionary attack. But even for strong passwords there is a case for salting. But even when you run my default password '$3qR€Et!' (pretty strong, especially because of the EURO sign) through the algorithm: salted is safer because you cannot precompute all strong passwords and salts unless you own a couple of those Crays. Ton Geurts BtW, if anyone thinks that the above is my real password: I'm a blond and I am male, but I am not that stupid! My real password is |
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