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Re: [cme@cybercash.com: Quick Survey: name certificate syntax]



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At 10:00 AM 11/20/97 -0500, Ron Rivest wrote:
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>
>Another option would be to leave the basic format the same, but to have
>a "cert-type" field with a value of "def" or "auth", where "def" is for
>a name-cert, and "auth" is for an authorization.  The requirements would
>then be that a def could not have a tag field (it is implicitly (tag (*))),
>and could not have a delegate field (it implicitly allows delegation),
>whereas an auth must have a key (with no names) as an issuer, and 
>must have the tag and delegation fields specified...
>
>(cert
>	(cert-type def)
>	(issuer (name K1 alice))
>	(subject (name K2 sam mother))
>	<validity fields>...
>)
>(cert
>	(cert-type auth)
>	(issuer K1)
>	(subject (name K2 sam mother))
>	(tag (read-file foo))
>	(propagate)
>	<validity fields>...
>)

Yes, this is another option.  I personally prefer to have it in the outer 
object type, but they are functionally equivalent.

 - Carl

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|Carl M. Ellison  cme@cybercash.com   http://www.clark.net/pub/cme |
|CyberCash, Inc.                      http://www.cybercash.com/    |
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