BIND 10 #893: TSIG verify, part 2

[BIND 10 Development]

#893: TSIG verify, part 2
-------------------------------------+-------------------------------------
            Reporter:  jinmei        |                        Owner:
                Type:  enhancement   |  jinmei
            Priority:  major         |                       Status:  new
           Component:  DNSPacket     |                    Milestone:
  API                                |  Sprint-20110503
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 This is a continuation of #813, and the final step of TSIG support
 in libdns++.

 The remaining task is:
 - add another constructor of TSIGContext, which would take an
   TSIGRecord and TSIGKeyRing, and internally identifies the
   appropriate key
 - implement TSIGContext::verify().  It would take TSIGRecord and the
   original wire data (pointer + len)

 I also think we should update TSIGKeyRing so that keys are identified
 by the key name + algorithm (currently only key name is used) to be
 compatible with BIND 9.

 I'd steal an estimate of 3 from #813 for this subtask.

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Ticket URL: <http://bind10.isc.org/ticket/893>
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BIND 10 Development