OSEC

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Crypto Archives: Re: Electronic envelopes

Re: Electronic envelopes

Matt Blaze (mabcrypto.com)
Mon, 27 Sep 1999 15:55:38 -0400

jeromepsti.com wrote:
>On Mon, Sep 27, 1999 at 04:46:18PM +0200, Mok-Kong Shen wrote:
>>
>> I suppose you are discussing Anonymous' post and not your own.
>
>no, i discuss my idea, i dont know the 'oblivious key scrow'
>
>> Now if any (sub)set of the unknown people could construct the key, they
>> could simply post it just for fun and the scheme is sabotaged, isn't
>> it?
>
>it is assumed to be illegal to distribute the key before.
>Doing a illegal act is assumed not to be fun by itself.
>
>> I don't see in this case why any notary has to be contacted.
>
>the key by itself is useless. To make a profit, the usual expectation
>when doing a illegal act, it need to contact the notary owning the
>document.
>
>> I don't know literatures on the 'oblivious key escrow', so I don't
>> exclude that I misunderstood something here.
>
>me too. but it seems to be quite similar to my idea except it seems to have
>it before me :)

I've not been following this thread (and seem to have lost most
of it in a disk crash), so I have no idea how similar or dissimilar
whatever is being discussed is to oblivious key escrow. FYI, the
the latter is described in:

        M. Blaze. "Oblivious Key Escrow." In proc. First Workshop
        on Information Hiding, Cambridge, England, May 1996.
        Springer 1997.
        Postscript: <http://www.crypto.com/papers/netescrow.ps>
        Latex Source: <http://www.crypto.com/papers/netescrow.tex>

-matt

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