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bf14657b9f
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11 Commits

Author SHA1 Message Date
Jouni Malinen
bf14657b9f SAE: Add support for additional ECC groups 
In addition to the mandatory group 19 (256-bit random ECP group) add
support for groups 20 (384-bit), 25 (192-bit), and 26 (224-bit).

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:53 +02:00
Jouni Malinen
4925b303db SAE: Use defines for key lengths 
Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:53 +02:00
Jouni Malinen
7babd2539c SAE: Add a define for maximum supported prime length 
This can be used to increase buffer sizes when adding support for new
groups.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:53 +02:00
Jouni Malinen
a46d72d7d7 SAE: Maintain EC group context in struct sae_data 
This can be used to share same EC group context through the SAE
exchange.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
d136c376f2 SAE: Add support for Anti-Clogging mechanism 
hostapd can now be configured to use anti-clogging mechanism based on
the new sae_anti_clogging_threshold parameter (which is
dot11RSNASAEAntiCloggingThreshold in the standard). The token is
generated using a temporary key and the peer station's MAC address.
wpa_supplicant will re-try SAE authentication with the token included if
commit message is rejected with a token request.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
dd43026a19 SAE: Rename state variables to match IEEE 802.11 standard 
The enum values for struct sae_data::state now match the protocol
instance states as defined in IEEE Std 802.11-2012, 11.3.8.2.2

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
f2e9818f73 SAE: Add processing of the confirm message 
This adds validation of the received confirm messages for SAE.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
fb8fcc2950 SAE: Add generation of the confirm message fields 
Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
146f6c9a00 SAE: Add processing of the commit message 
This adds validation of the received commit messages and key derivation
for SAE.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
8e31e9550a SAE: Add generation of the commit message fields 
This adds derivation of PWE and the needed commit values so that the
full SAE commit message can be built.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00
Jouni Malinen
98efcc4176 SAE: Use a shared data structure for AP and station 
This makes it easier to share common functions for both roles.

Signed-hostap: Jouni Malinen <j@w1.fi>
 2013-01-12 17:51:52 +02:00