John A. Martin
jam at jamux.com
Wed Jan 27 11:13:37 CET 1999
>>>>> "Werner" == Werner Koch
>>>>> "Re: Ugly question"
>>>>> Wed, 27 Jan 1999 14:24:11 +0100
Werner> "John A. Martin" <jam at jamux.com> writes:
>> What I am trying to get at is whether when encrypting to a
>> public key can gpg tell whether the private decrypting key is
>> split or shared. I thought it had been mentioned on this list
>> that the n-of-m split is how Commercial PGP does key recovery.
Werner> No and I don't know how split keys work in pgp 5 or 6 it
Werner> is not documented. How does a plit key mechanism helps
Werner> with key recovering. The reason to split keys is to share
Werner> a secret between some entities - each part should be
Werner> strong enough to withstand an attack on one part.
Yes, secret sharing. I am so foggy on the key recovery part that I
had better let it drop at least until I can pose a sensible question.
>> Yes, split keys are interesting. But would it not be evil in
>> some cases to be accepting a signature from or encrypting to a
>> split key when thinking it was an ordinary key? Would the
>> nominal owner of a
Werner> But how can I distinguish split keys and not splitted
That is what I was asking about. :-)
Werner> You will notice that GnuPG can't decrypt/verify with a
Werner> split key
You have said that you would like to sometime, right?
Thanks for trying to deal with my poorly formed questions.
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