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Re: [Gnumed-devel] GNotary
From: |
Sebastian Hilbert |
Subject: |
Re: [Gnumed-devel] GNotary |
Date: |
Thu, 1 Sep 2005 09:35:02 +0200 |
User-agent: |
KMail/1.8.2 |
On Thursday 01 September 2005 09:14, Ian Haywood wrote:
> Karsten Hilbert wrote:
> > On Wed, Aug 31, 2005 at 04:53:42AM +1000, Tim Churches wrote:
> >>>The hash is not md5 nut sha256 and ripmd160. I hope this makes a
> >>> differences. If not. Tough luck.
> >>
> >>SHA256 is thought to be quite safe against both colision and pre-image
> >>attacks for now.
> >
> > The important part in this remark is "for now" and not
> > "quite safe".
> >
> > Any hash is liable to be successfully attacked eventually
> > (is there an equivalent to one-time pads in "hash space" ?).
>
> Yeah, the original document. ;-)
>
> No point signing it: a signature involves a hash.
> The notary would be equivalent to a networked backup service.
> (which is of itself useful) Internet in Australia is too primitive
> for this to be commerically possible, should be feasible in DE though.
>
Apart from technical discussion all of you could help me if you say. Yes I
would use this notary service and I would pay for it. I would pay this much.
Or. No I wouldn't use it because ... don't need it, don't want it, too
expensive ...
Sebastian
> Ian
>
>
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Sebastian Hilbert
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