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Re: [PATCH] ath5k: add support of HW encryption in management frames

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Hi, Jouni

> Could you please describe what exactly you mean with "current secured
> mesh requires the AES CMAC to be enabled" and what is that claim based
> on?
I am based on the authsae source code for secured mesh setup which can
be found at:
https://github.com/cozybit/authsae/blob/master/linux/meshd-nl80211.c

There are total 5 keys for secured mesh:

/* key to protect integrity of multicast mgmt frames tx*/
install_key(nlcfg, NULL, CIPHER_AES_CMAC, NL80211_KEYTYPE_GROUP, 4, mgtk_tx);
/* key to encrypt multicast data traffic */
install_key(nlcfg, NULL, CIPHER_CCMP, NL80211_KEYTYPE_GROUP, 0, mgtk_tx);
/* key to encrypt/decrypt unicast data AND mgmt traffic to/from this peer */
install_key(&nlcfg, peer, CIPHER_CCMP, NL80211_KEYTYPE_PAIRWISE, 0, mtk);
/* key to decrypt multicast data traffic from this peer */
install_key(&nlcfg, peer, CIPHER_CCMP, NL80211_KEYTYPE_GROUP, 0, peer_mgtk);
/* to check integrity of multicast mgmt frames from this peer */
install_key(&nlcfg, peer, CIPHER_AES_CMAC, NL80211_KEYTYPE_GROUP, 4, peer_mgtk);

> Any pointers to the specific standard clause(s) that say that?
I have not gone through the standard on this.

-----
Chun-Yeow
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