On Sat, Sep 17, 2011 at 6:46 PM, Robert Rohde <raro...@gmail.com> wrote:
> Is there a good reason to prefer SHA-1?
>
> Both have weaknesses allowing one to construct a collision (with
> considerable effort)

Considerable effort?  I can create an MD5 collision in a few minutes
on my home computer.  Is there anything even remotely like this for
SHA-1?

> MD5 is shorter and in my experience about 25% faster to compute.
>
> Personally I've tended to view MD5 as more than good enough in offline 
> analyses.

For offline analyses, there's no need to change the online database tables.

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