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FT: New RRB message format

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Convert FT RRB into a new TLV based format. Use AES-SIV as AEAD cipher
to protect the messages.

This needs at least 32 byte long keys. These can be provided either
by a config file change or letting a KDF derive the 32 byte key used
from the 16 byte key given.

This breaks backward compatibility, i.e., hostapd needs to be updated on
all APs at the same time to allow FT to remain functional.

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
This commit is contained in:
Michael Braun 2017-04-02 14:52:50 +02:00 • committed by Jouni Malinen
parent 50bd8e0a90
commit 245fc96e5f
8 changed files with 877 additions and 313 deletions
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2
src/ap/hostapd.h
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@ -195,6 +195,8 @@ struct hostapd_data {
struct eth_p_oui_ctx *oui_pull;
struct eth_p_oui_ctx *oui_resp;
struct eth_p_oui_ctx *oui_push;
struct eth_p_oui_ctx *oui_sreq;
struct eth_p_oui_ctx *oui_sresp;
#endif /* CONFIG_IEEE80211R_AP */
struct wps_context *wps;