qcacld-3.0: Derive PMK-R0 and PMK-R1NAME for FT-FILS
Generate PMK-R0 and PMK-R1NAME for FT-FILS connection and send it
over assoc request frame.
According to 802.11-2016 standard:
PMK-R0 is derived as:
R0-Key-Data = KDF-Hash-Length(XXKey, "FT-R0", SSIDlength ||
SSID || MDID || R0KHlength ||
R0KH-ID || S0KH-ID)
PMK-R0 = L(R0-Key-Data, 0, Q)
PMKR0Name = Truncate-128(SHA-256("FT-R0N" || PMK-R0Name-Salt))
PMK-R1 is derived as:
PMK-R1 = KDF-Hash-Length(PMK-R0, "FT-R1", R1KH-ID || S1KH-ID)
PMK-R1Name is derived as:
PMKR1Name = Truncate-128(SHA-256(“FT-R1N” || PMKR0Name ||
R1KH-ID || S1KH-ID))
Call qdf_get_hash() function to generate a sha-256 or sha-384
hash. Use qdf_get_hash() with hmac(sha-256) or hmac(sha-384)
to generate hmac_hash.
Set PMKID count as 1 in RSN IE and copy the PMKR1-name
generated to the PMKID list. This PMKR1 should be the only
entry in PMKID list in assoc request frame sent by the driver
during FT-FILS initial mobility domain FILS connection.
Change-Id: Ic634aebbe42a58b92f871cf3258c62f7541d161a
CRs-Fixed: 2414719
6 files changed