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Re: How does Nginx look-up cached resource?

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Maxim Dounin

September 04, 2015 03:44PM

Hello!

On Fri, Sep 04, 2015 at 08:56:23PM +0200, Sergey Brester wrote:

> On 04.09.2015 20:10, Maxim Dounin wrote:
>
> >For sure this is something that can be done. The question remains
> >though: how often collisions are observed in practice, is it make
> >sense to do anything additional to protect from collisions and
> >spend resources on it? Even considering only md5, without the
> >crc32 check, no practical cases were reported so far.
>
> What?
> That SHOULD be done! Once is already too much!

No one yet happened. And likely won't ever happen, as md5 is a
good hash function 128 bits wide, and it took many years to find
even a single collision of md5. And even if it'll happen, we have
crc32 check in place to protect us.

--
Maxim Dounin
http://nginx.org/

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Subject	Author	Views	Posted
How does Nginx look-up cached resource?	Shuxin Yang	942	September 03, 2015 09:40PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	306	September 04, 2015 09:24AM
Re: How does Nginx look-up cached resource?	Sergey Brester	348	September 04, 2015 11:38AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	338	September 04, 2015 02:12PM
Re: How does Nginx look-up cached resource?	Sergey Brester	448	September 04, 2015 02:58PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	297	September 04, 2015 03:44PM
Re: How does Nginx look-up cached resource?	Sergey Brester	334	September 04, 2015 05:02PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	342	September 05, 2015 08:10PM
Re: How does Nginx look-up cached resource?	Sergey Brester	386	September 07, 2015 09:36AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	362	September 07, 2015 12:20PM
Re: How does Nginx look-up cached resource?	Sergey Brester	302	September 07, 2015 12:34PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	363	September 04, 2015 05:22PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	327	September 05, 2015 09:58PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	308	September 07, 2015 10:46AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	293	September 07, 2015 01:00PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	431	September 07, 2015 03:30PM
Re: How does Nginx look-up cached resource?	Sergey Brester	405	September 07, 2015 05:24PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	558	September 07, 2015 07:20PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	479	September 07, 2015 09:42PM
Re: How does Nginx look-up cached resource?	Gena Makhomed	441	September 08, 2015 05:08PM
Re: How does Nginx look-up cached resource?	Maxim Dounin	467	September 09, 2015 01:18PM
Re: How does Nginx look-up cached resource?	Sergey Brester	338	September 10, 2015 05:58AM
Re: How does Nginx look-up cached resource?	Sergey Brester	332	September 10, 2015 08:56AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	357	September 10, 2015 10:48AM
Re: How does Nginx look-up cached resource?	Sergey Brester	319	September 10, 2015 11:08AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	322	September 10, 2015 11:34AM
Re: How does Nginx look-up cached resource?	Sergey Brester	332	September 10, 2015 11:56AM
Re: How does Nginx look-up cached resource?	Maxim Dounin	347	September 10, 2015 01:00PM
Re: How does Nginx look-up cached resource?	Sergey Brester	611	September 10, 2015 04:54PM

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