Re: Review of latest Widget Signature Draft

On 25 Feb 2009, at 13:50, Frederick Hirsch wrote:

>> - 5.2 and 5.3 have an issue about additional algorithms.  I suggest
>> just being silent about them.

> ok to remove the issues?

To the extent to which these are about unspecified additional  
algorithms, that's what I'm proposing.  The second hash algorithm  
question is separate, I think.

>> - In 4.4, we currently perform a dance around X.509 version numbers.
>> Thinking this through more thoroughly, it worries me that this came
>> up, for the following reason:  You need an X.509 v3 extension to
>> express the basic constraints on a certificate.  Without the basic
>> constraints extension, it is impossible to distinguish a CA
>> certificate from an end entity certificate.  Which in turn suggests
>> that somebody might have inadvertently generated a CA certificate
>> instead of an end entity certificate...  In other words, we shouldn't
>> ever see an end entity certificate that is X.509 v1 or v2.  (And if  
>> we
>> see one, it's a good idea to break it.)

> so you suggest simplifying this to v3?

I suggest mandating v3 certificates, yes.

Received on Wednesday, 25 February 2009 13:11:03 UTC