From 348bd456699801920a309c66e382380809fbdf41 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Thu, 27 Oct 2016 00:42:03 +0300 Subject: cfg80211: Add KEK/nonces for FILS association frames The new nl80211 attributes can be used to provide KEK and nonces to allow the driver to encrypt and decrypt FILS (Re)Association Request/Response frames in station mode. Signed-off-by: Jouni Malinen Signed-off-by: Johannes Berg --- include/linux/ieee80211.h | 3 +++ include/net/cfg80211.h | 9 +++++++++ include/uapi/linux/nl80211.h | 8 ++++++++ 3 files changed, 20 insertions(+) (limited to 'include') diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 793a017..fe84932 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -2096,6 +2096,9 @@ enum ieee80211_key_len { #define IEEE80211_GCMP_MIC_LEN 16 #define IEEE80211_GCMP_PN_LEN 6 +#define FILS_NONCE_LEN 16 +#define FILS_MAX_KEK_LEN 64 + /* Public action codes */ enum ieee80211_pub_actioncode { WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 8ca2e9f..738b4d8 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1840,6 +1840,12 @@ enum cfg80211_assoc_req_flags { * @ht_capa_mask: The bits of ht_capa which are to be used. * @vht_capa: VHT capability override * @vht_capa_mask: VHT capability mask indicating which fields to use + * @fils_kek: FILS KEK for protecting (Re)Association Request/Response frame or + * %NULL if FILS is not used. + * @fils_kek_len: Length of fils_kek in octets + * @fils_nonces: FILS nonces (part of AAD) for protecting (Re)Association + * Request/Response frame or %NULL if FILS is not used. This field starts + * with 16 octets of STA Nonce followed by 16 octets of AP Nonce. */ struct cfg80211_assoc_request { struct cfg80211_bss *bss; @@ -1851,6 +1857,9 @@ struct cfg80211_assoc_request { struct ieee80211_ht_cap ht_capa; struct ieee80211_ht_cap ht_capa_mask; struct ieee80211_vht_cap vht_capa, vht_capa_mask; + const u8 *fils_kek; + size_t fils_kek_len; + const u8 *fils_nonces; }; /** diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 4dc2126..a268a00 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1944,6 +1944,11 @@ enum nl80211_commands { * attribute. * @NL80211_ATTR_NAN_MATCH: used to report a match. This is a nested attribute. * See &enum nl80211_nan_match_attributes. + * @NL80211_ATTR_FILS_KEK: KEK for FILS (Re)Association Request/Response frame + * protection. + * @NL80211_ATTR_FILS_NONCES: Nonces (part of AAD) for FILS (Re)Association + * Request/Response frame protection. This attribute contains the 16 octet + * STA Nonce followed by 16 octets of AP Nonce. * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined @@ -2344,6 +2349,9 @@ enum nl80211_attrs { NL80211_ATTR_NAN_FUNC, NL80211_ATTR_NAN_MATCH, + NL80211_ATTR_FILS_KEK, + NL80211_ATTR_FILS_NONCES, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, -- cgit v1.1