Re: Report of collision-generation with MD5

From: Oliver Eikemeier (eikemeier_at_fillmore-labs.com)
Date: 08/26/04

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    Date: Thu, 26 Aug 2004 10:37:27 +0200
To: Mohacsi Janos <mohacsi@niif.hu>

    Mohacsi Janos wrote:
    > [...]
    > I would also opt for having (by default) additional hash algorithms. I
    > would prefer using method of NetBSD: using an external program called
    > digest ( see security/digest port) to select the algorithms. Oliver
    > Eikemeier is working a ports building infrastructure and I think it
    > would be a good idea to this new infrastructure would support multiple
    > hash algorithm. The most easiest way would be to define a knob like
    > PREFERED_HASH that would list the algorithms that system would prefer,
    > and REQUIRED_HASH that would be required to checked:
    > - makesum should generate all the PREFERED_HASH
    > - fetch should fail if any of the REQUIRED_HASH failed

    devel/portmk supports generation of multiple hashes, although it will
    just verify the first of the sufficient ones. the problem is to test
    this stuff before 5.3.
    -Oliver

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