Hello,

I have a question regarding the Digest-URI used to calculate the response
parameter which is put into an Authorization header. From RFC 3665 it seems
to me that the Digest-URI is the same as the Request-URI. However, in
draft-smit-sip-auth-examples the From-URI is clearly used in all
calculations and in the Authorization header. Which one should a UAC use, or
is it only required that whatever URI is used in the digest calculation is
conveyed in the uri parameter of the Authorization header?

Another related question: In all examples I have seen so far, the Digest-URI
consisted only of user and host. What form of the URI should be used in the
calculation and Authorization header respectively, if there are URI
parameters and/or headers present? Should the parameters/headers be stripped
off and only the user+host (+password?) be used? Is there a canonical URI
format for digest authentication?

Thanks in advance for all answers.

Best regards,

Peter
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