Re: The 802.15.4 Security Layer

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Hi Alex,

You can ignore the previous email! I have just seen your email from Sunday explaining what you have done. I somehow became unsubscribed from this mailing list over the weekend so didn't get the emails...

Simon

On 23/06/15 16:34, Simon Vincent wrote:
Hi Alex,

Do you have your security/nl802154 work available anywhere I can have a look? I am in the process of getting 802.15.4 security working on our devices. I don't want to implement it using the old interface as I will then have to recode our application when llsec moves over to nl802154. I have some spare time at the moment to develop/review/test the security layer.

Simon

On 18/06/15 20:43, Stefan Schmidt wrote:
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

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