Re: md5 collision generator - Mailing list pgsql-admin

From Bruno Wolff III
Subject Re: md5 collision generator
Date
Msg-id 20051116204315.GA20018@wolff.to
Whole thread Raw
In response to md5 collision generator  (Wim Bertels <wim.bertels@khleuven.be>)
Responses Re: md5 collision generator  (Wim Bertels <wim.bertels@khleuven.be>)
List pgsql-admin
On Wed, Nov 16, 2005 at 14:25:44 +0100,
  Wim Bertels <wim.bertels@khleuven.be> wrote:
> LS,
>
> the sourcecode of a md5 collision generator has been released,
> it takes about 45 minutes to generate.
> ..so to an "eve" with this knowledge md5 is almost the same as plain text..
>
> maybe its not bad to include eg. sha2 hashes into the options for passwords

There is no sha2. sha1 has similar problems to md5.

The collision attack doesn't allow you to produce data that hashes to specific
hashes. So this isn't a problem for postgres.

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