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Re: [IGNORETHIS/PATCH] Choosing the sha1 prefix of your commits

From
Elijah Newren <newren@gmail.com>
Date
Oct 20, 2011, 13:44 UTC
Message-ID
<CABPp-BGUghrwUv4YHcSXeaLaYoUG=7oS7a5OhR3MYs0W6E5Bow@mail.gmail.com>
In-Reply-To
<CAHYJk3QV8QckbOM76QfqQfTsyOtk+nvfhCped+W3t60JfCfouA@mail.gmail.com>
On Thu, Oct 20, 2011 at 3:38 AM, Mikael Magnusson <mikachu@gmail.com> wrote:
Show 9 quoted lines
>> On Wed, Oct 19, 2011 at 08:03:24PM +0200, Ævar Arnfjörð Bjarmason wrote:
>>
>>> This is quick hack I wrote just before leaving work to show that I
>>> could indeed push patches to our main repository starting with
>>> 31337. Names hidden to protect the innocent.
>>
> If you don't mind waiting, you could just increase the timestamps
> until you get the desired collision. (If you still want them to be
> correct, trying 4000000 times would about 6 weeks though :).

But the nice thing is that we have both author and committer dates to twiddle with, meaning that if we need 4000000 different values to try then it's only 2000 for each of those two dates, i.e. we only need to be willing to let those dates float by about half an hour.

Previous: Mikael MagnussonNext: Jonathan Nieder
Message 23 of 24 in “Choosing the sha1 prefix of your commits”
  1. Choosing the sha1 prefix of your commitsÆvar Arnfjörð Bjarmason, Oct 19, 2011
  2. Jeff KingOct 19, 2011
  3. Jeff KingOct 19, 2011
  4. Jeff KingOct 20, 2011
  5. Kyle MoffettOct 20, 2011
  6. Jeff KingOct 20, 2011
  7. Junio C HamanoOct 20, 2011
  8. Kyle MoffettOct 20, 2011
  9. Jeff KingOct 24, 2011
  10. Junio C HamanoOct 20, 2011
  11. Jeff KingOct 20, 2011
  12. Junio C HamanoOct 20, 2011
  13. Jeff KingOct 20, 2011
  14. Ted Ts'oOct 20, 2011
  15. Jeff KingOct 20, 2011
  16. Drew NorthupOct 25, 2011
  17. Re* [IGNORETHIS/PATCH] Choosing the sha1 prefix of your commitsJunio C Hamano, Oct 20, 2011
  18. Jeff KingOct 20, 2011
  19. Nguyen Thai Ngoc DuyOct 20, 2011
  20. Nguyen Thai Ngoc DuyOct 20, 2011
  21. Jeff KingOct 20, 2011
  22. Mikael MagnussonOct 20, 2011
  23. Elijah NewrenOct 20, 2011
  24. Jonathan NiederOct 19, 2011

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