Re: Rejecting weak passwords

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От Tom Lane
Тема Re: Rejecting weak passwords
Дата
Msg-id 16091.1254180412@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Rejecting weak passwords  (marcin mank <marcin.mank@gmail.com>)
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marcin mank <marcin.mank@gmail.com> writes:
>> The case that ENCRYPTED
>> protects against is database superusers finding out other users'
>> original passwords, which is a security issue to the extent that those
>> users have used the same/similar passwords for other systems.

> I just want to note that md5 is not much of a protection against this
> case these days. Take a look at this:
> http://www.golubev.com/hashgpu.htm

> It takes about 32 hours to brute force all passwords from [a-zA-Z0-9]
> of up to 8 chars in length.

Yeah, but that will find you a password that hashes to the same thing.
Not necessarily the same password.  It'll get you into the Postgres
DB just fine, which you don't care about because you're already a
superuser there.  It won't necessarily get you into the assumed
third-party systems.
        regards, tom lane


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