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Re: How good is security via hashing

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From Robin Becker <robin@reportlab.com>
Subject Re: How good is security via hashing
Date Wed, 08 Jun 2011 10:13:25 +0100
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On 07/06/2011 21:42, Paul Rubin wrote:
> geremy condra<debatem1@gmail.com>  writes:
>> # adds random junk to the filename- should make it hard to guess
>> rrr = os.urandom(16)
>> fname += base64.b64encode(rrr)
>
> Don't use b64 output in a filename -- it can have slashes in it!  :-(
>
> Simplest is to use old fashioned hexadeimal for stuff like that, unless
> the number of chars is a significant problem.  Go for a more complicated
> encoding if you must.
we have been using base62 ie 0-9A-Za-z just to reduce the name length.
-- 
Robin Becker

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Thread

Re: How good is security via hashing geremy condra <debatem1@gmail.com> - 2011-06-07 13:02 -0700
  Re: How good is security via hashing Paul Rubin <no.email@nospam.invalid> - 2011-06-07 13:42 -0700
    Re: How good is security via hashing Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-07 14:58 -0600
    Re: How good is security via hashing geremy condra <debatem1@gmail.com> - 2011-06-07 14:41 -0700
    Re: How good is security via hashing Robin Becker <robin@reportlab.com> - 2011-06-08 10:13 +0100
      Re: How good is security via hashing Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-06-08 13:30 +0200

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