Sam,
Alot of SIP is based from http, RFC3261 section 22.4 defines the
digest authentication method and refers to RFC 2069 with some rules.
Regards,
Wayne Davies
sam n <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
29/09/2004 11:07 AM
Please respond to sam n
To: [EMAIL PROTECTED]
cc:
Subject: [Sip-implementors] Authentication probelm:
Hi,
I'm having trouble calculating the "response" value required by the
Authorization header of the REGISTER method. The algorithm in use is
MD5 and the way I calculate the response is by forming the message as
"<nonce>:<password>" and then hash using a MD5 encrypt util. Is this
message form correct?
Pasted below is SIP Message produced by a softphone which logged in
successfully. My application doesn't seem to produce the same response
value seen in the Authorization header. I have been trying other
combinations like "<nonce>:<password>:<realm>" as the message to
digest, but nothing produces the same result.
REGISTER sip:acme.net SIP/2.0
Via: SIP/2.0/UDP
192.168.0.16:5060;rport;branch=z9hG4bKF1022EE7E48543678905FC0269C1A682
From: Gernot Heiser <sip:[EMAIL PROTECTED]>
To: Gernot Heiser <sip:[EMAIL PROTECTED]>
Contact: "Gernot Heiser" <sip:[EMAIL PROTECTED]:5060>
Call-ID: [EMAIL PROTECTED]
CSeq: 56397 REGISTER
Expires: 1800
Authorization: Digest
username="gernot",realm="BroadWorks",nonce="1096344600876",response="369df0bc0c49c4bfd1e64d1feff02672",uri="sip:acme.net",algorithm=MD5
Max-Forwards: 70
User-Agent: X-PRO build 1101
Content-Length: 0
SIP/2.0 200 OK
Via:SIP/2.0/UDP
192.168.0.16:5060;branch=z9hG4bKF1022EE7E48543678905FC0269C1A682;rport
From:"Gernot Heiser"<sip:[EMAIL PROTECTED]>
To:"Gernot Heiser"<sip:[EMAIL PROTECTED]>
Call-ID:[EMAIL PROTECTED]
CSeq:56397 REGISTER
Contact:<sip:[EMAIL PROTECTED]:5060>;q=0.5;expires=1799
Content-Length:0
Could someone please help me out?
Thanks in advance.
Regards,
Sam
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