Re: [PATCH V4 13/15] Hibernate: introduced SNAPSHOT_SIG_HASH config for select hash algorithm

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Hi!

> > On Sun 2013-09-15 08:56:59, Lee, Chun-Yi wrote:
> > > This patch introduced SNAPSHOT_SIG_HASH config for user to select which
> > > hash algorithm will be used during signature generation of snapshot.
> > 
> > This series is big enough already... and who is going to test it?
> 
> The hash config not just for testing, it's relate to the performance and
> secure between different hash algorithms.

I'm not saying it is for testing. I'm saying that selection makes
testing harder.

> There have person raised in LPC say he don't like SHA algorithm.

Well, I don't like the config option.

> > There's no need to make hash configurable. Just select one that works.
> 
> SHA1 has good performance, and SHA512 has better security, which one you
> like it?

Use SHA1. It is completely adequate for what you are trying to do.

									Pavel
-- 
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