Re: The 802.15.4 Security Layer

[Stefan Schmidt <stefan@osg.samsung.com>]

Hello.

On 18/06/15 17:58, Simon Vincent wrote:
> Hi,
>
> On 18/06/15 16:42, Stefan Schmidt wrote:
>> Hello.
>>
>> On 18/06/15 14:31, Alexander Aring wrote:
>>> Hi all,
>>>
>>> I saw the latest discussion about the security layer and wants to 
>>> open a
>>> new thread about discussion for access this layer over nl802154 and
>>> putting a "very easy to use" functionality into iwpan.
>>>
>>> I need to admit, I never tested myself this layer, also I told many
>>> times that the step to put security layer functionality into 
>>> nl802154 is
>>> a necessary step. For that reason I declare the security layer as 
>>> broken.
>>>
>>> Several months ago I started to put these functionality into wpan-tools
>>> and nl802154. It's just parsing a file at the moment and putting the 
>>> all
>>> relevant entries for key, device, seclevel tables in cfg802154. Nothing
>>> more. These tables are handled like an ACL in 802.15.4 (so far I know)
>>> and necessary to do the "key lookup" procedure, on receiving decrypted
>>> frames.
>>>
>>> At weekend I will try to provide my stuff which I already have done and
>>> will try to explain what the idea for the next necessary steps are. 
>>> It's
>>> just to start a discussion "How do deal with accessing llsec over
>>> nl802154/cfg802154".
>>>
>>> After we can accessing the sec layer over nl802154, we can hopefully 
>>> remove
>>> the old interface stuff.
>>>
>>> Does this sounds like a plan?
>>
>> I think this is a good idea and I would gladly gve this some testing 
>> next week. I bet Simon would do as well as he is currently looking 
>> into it.
> Yes it would nice to tidy this all up and get a stable interface. I 
> currently have some time to look at this and do some testing.

You have by any chance some small example code you used for testing the 
llc stuff? It would be handy to start with something small and easy.

regards
Stefan Schmidt