This isn't as urgent as you make it out to be. There are just a few people in the world, mostly Chinese researchers, who have the capability to do this. I agree that SHA is better, but this clearly isn't the type of thing that should hold up a Solr release!

phil.

On Dec 8, 2006, at 4:37 PM, Simon Willnauer wrote:

Hello,
I'm wondering why people still use MD5 for digital signatures and / or
checksums.
Recent results on the analysis of MD5 reduce the effort to find
collisions to a few minutes on an old notebook. Thus, collision and
multi-collision attacks on MD5 are feasible and practical.
I would recommend to migrate directly from MD5 to SHA-2 and add SHA-2
hashes to existing MD5 lists if possible. Wherever MD5 is still used
to detect the manipulation of
data or software, it must be replaced as soon as possible!

just my 2 cent.

best regards simon

On 12/8/06, Bertrand Delacretaz <[EMAIL PROTECTED]> wrote:
On 12/8/06, Chris Hostetter <[EMAIL PROTECTED]> wrote:

> ...but it got me wondering, what format do we want?...

The format that Yonik used works (on my macosx system, but also under
Linux I suspect) with

  md5sum -c apache-solr-1.1.0-incubating.tgz.md5

which is convenient I think.

-Bertrand



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                                   Whirlycott
                                   Philip Jacob
                                   [EMAIL PROTECTED]
                                   http://www.whirlycott.com/phil/


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