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FILS: PMK-to-PTK key derivation for FILS authentication

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This is the PTKSA key derivation used as part of the FILS authentication
exchange. See P802.11ai/D11.0 12.12.2.5.3.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-09-08 00:58:11 +03:00 • committed by Jouni Malinen
parent ce16c489d8
commit c089bc5725
2 changed files with 71 additions and 0 deletions
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4
src/common/wpa_common.h
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@ -192,6 +192,7 @@ struct wpa_eapol_key {
#define WPA_KCK_MAX_LEN 24
#define WPA_KEK_MAX_LEN 64
#define WPA_TK_MAX_LEN 32
#define FILS_ICK_MAX_LEN 48
/**
* struct wpa_ptk - WPA Pairwise Transient Key
@ -329,6 +330,9 @@ int wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
const u8 *addr1, const u8 *addr2,
const u8 *nonce1, const u8 *nonce2,
struct wpa_ptk *ptk, int akmp, int cipher);
int fils_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const u8 *spa, const u8 *aa,
const u8 *snonce, const u8 *anonce, struct wpa_ptk *ptk,
u8 *ick, size_t *ick_len, int akmp, int cipher);
#ifdef CONFIG_IEEE80211R
int wpa_ft_mic(const u8 *kck, size_t kck_len, const u8 *sta_addr,