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From: sqweek <sqweek@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Cc: lucio@proxima.alt.za
Subject: Re: [9fans] Sources Gone?
Date: Wed,  4 Feb 2009 17:40:01 +0900	[thread overview]
Message-ID: <140e7ec30902040040m64175f7eq771bf87b38153669@mail.gmail.com> (raw)
In-Reply-To: <7bffd90986cd11342f8d01fbd53e84e0@quanstro.net>

On Tue, Feb 3, 2009 at 9:54 PM, erik quanstrom <quanstro@quanstro.net> wrote:
>> Yes, but the content isn't guaranteed to be from a single user.  In
>> fact, venti has no clue.  Change that and it's not venti anymore.
>
> exactly.  but it's important to note that it's crypto hard to guess
> somebody else's block.

 Is it? Well, to guess a specific block, obviously.
 I'm pretty ignorant about the structures used to store trees in venti
- would it be possible to reconstruct the block containing the root of
a particular tree given say, /n/dump?
 Presumably something along the lines of "vac /n/dump/2009/0204" would
suffice, but failing that you still don't need to guess exactly the
block you are looking for... How long would it take to brute force a
block of a tree (giving you references to lots of other blocks) from
venti?
-sqweek



  parent reply	other threads:[~2009-02-04  8:40 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-23 11:56 Gregory Pavelcak
2009-01-23 14:15 ` erik quanstrom
2009-01-23 14:54 ` lucio
2009-01-23 15:09   ` erik quanstrom
2009-01-27 22:59   ` Uriel
2009-01-27 23:32     ` Russ Cox
2009-01-28  0:58       ` Kenji Arisawa
2009-01-28  5:06       ` Uriel
2009-01-28 11:46         ` Iruata Souza
2009-01-28 12:41           ` Charles Forsyth
2009-01-28 13:53         ` erik quanstrom
2009-01-29 12:12           ` Uriel
2009-01-29 13:37             ` erik quanstrom
2009-01-29 16:45               ` Roman V. Shaposhnik
2009-01-29 16:15             ` ron minnich
2009-01-29 16:34               ` Roman V. Shaposhnik
2009-01-29 16:30             ` Roman V. Shaposhnik
2009-01-29 17:18               ` Russ Cox
2009-01-29 17:30                 ` erik quanstrom
2009-01-29 17:43                   ` Russ Cox
2009-01-29 17:39                 ` gas
2009-01-29 21:09                 ` Roman V. Shaposhnik
2009-01-29 21:42                   ` erik quanstrom
2009-01-29 23:05                     ` Roman V. Shaposhnik
2009-01-29 23:49                       ` erik quanstrom
2009-01-30  0:28                         ` Russ Cox
2009-01-30  4:46                           ` [9fans] Venti and version control (Was: Sources Gone?) lucio
2009-01-30  5:18                       ` [9fans] Sources Gone? lucio
2009-01-31 13:45                         ` Bruce Ellis
2009-01-31 18:12                           ` Akshat Kumar
2009-01-31 18:44                             ` Bruce Ellis
2009-02-02 22:33                         ` Roman V. Shaposhnik
2009-02-02 22:43                           ` erik quanstrom
2009-02-02 23:26                             ` Roman V. Shaposhnik
2009-02-02 23:39                               ` erik quanstrom
2009-02-03 10:04                             ` Richard Miller
2009-02-03  4:23                           ` lucio
2009-02-03  5:23                             ` erik quanstrom
2009-02-03  5:47                               ` lucio
2009-02-03 12:54                                 ` erik quanstrom
2009-02-03 13:38                                   ` roger peppe
2009-02-03 14:01                                     ` erik quanstrom
2009-02-03 16:13                                       ` Anthony Sorace
2009-02-03 16:22                                         ` erik quanstrom
2009-02-03 16:51                                       ` roger peppe
2009-02-03 16:55                                         ` erik quanstrom
2009-02-03 17:30                                         ` Brian L. Stuart
2009-02-05  1:24                                           ` Roman V. Shaposhnik
2009-02-03 17:42                                       ` lucio
2009-02-03 17:40                                     ` lucio
2009-02-03 17:51                                       ` erik quanstrom
2009-02-04  8:40                                   ` sqweek [this message]
2009-02-04 16:40                                     ` [9fans] Some arithmetic [was: Re: Sources Gone?] Nathaniel W Filardo
2009-02-04 17:10                                       ` Nathaniel W Filardo
2009-02-04 17:49                                       ` hiro
2009-02-05 11:19                                         ` Dave Eckhardt
2009-02-05 17:38                                           ` Russ Cox
2009-02-05 17:41                                             ` erik quanstrom
2009-02-05 18:08                                               ` Roman V. Shaposhnik
2009-02-05 18:22                                                 ` Micah Stetson
2009-02-05 18:29                                                   ` Roman V. Shaposhnik
2009-02-05 18:31                                                     ` erik quanstrom
2009-02-05 18:32                                               ` hiro
2009-01-30  4:25                     ` [9fans] Sources Gone? lucio
2009-01-29 22:33                   ` Russ Cox
2009-01-29 22:58                     ` Roman V. Shaposhnik
2009-01-29 23:06                       ` Russ Cox
2009-01-29 12:13           ` kokamoto
2009-01-27 23:11   ` Patrick Kristiansen
2009-01-28  0:11     ` Tharaneedharan Vilwanathan
2009-01-28  5:55       ` lucio
2009-01-29 18:00 erik quanstrom
2009-01-29 18:00 erik quanstrom
     [not found] <2b0250f2fe16a645a4641825c2f33741@quanstro.net>
2009-02-03 17:27 ` lucio
2009-02-05  1:20   ` Roman V. Shaposhnik

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