Re: [Hipsec] Please refresh my memory on HIP_SIGNATURE in UPDATE

Robert Moskowitz <rgm@htt-consult.com> Mon, 19 September 2016 06:44 UTC

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To: Tom Henderson <tomhend@u.washington.edu>
References: <alpine.LRH.2.01.1609182119120.8367@hymn02.u.washington.edu>
From: Robert Moskowitz <rgm@htt-consult.com>
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Date: Mon, 19 Sep 2016 07:44:22 +0100
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Subject: Re: [Hipsec] Please refresh my memory on HIP_SIGNATURE in UPDATE
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On 09/19/2016 05:19 AM, Tom Henderson wrote:
>
>
>
> On Sun, 18 Sep 2016, Robert Moskowitz wrote:
>
>> I cannot remember why we mandated HIP_SIGNATURE in UPDATE packet, 
>> particularly when we have the HIP_MAC.  Sec 5.3.5 in 7401.
>>
>> I am sure we had a good reason, but I am not finding it....
>
> For middleboxes; this dates back to section 6.1.1 of
> https://tools.ietf.org/html/draft-nikander-hip-mm-00

Ah yes, those nasty guys in the middle by policy.  In a perfect IPv6 
mobile world they don't exist, but we know otherwise...

Thanks for the refresher.

Bob