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FILS: Implement FILS-FT derivation

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This extends fils_pmk_to_ptk() to allow FILS-FT to be derived. The
callers do not yet use that capability; i.e., actual use will be added
in separate commits.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2017-05-07 11:47:44 +03:00
parent 80ddf5d995
commit 215eaa748b
4 changed files with 28 additions and 7 deletions
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4
src/common/wpa_common.h
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@ -202,6 +202,7 @@ struct wpa_eapol_key {
#define WPA_KEK_MAX_LEN 64
#define WPA_TK_MAX_LEN 32
#define FILS_ICK_MAX_LEN 48
#define FILS_FT_MAX_LEN 48
/**
* struct wpa_ptk - WPA Pairwise Transient Key
@ -346,7 +347,8 @@ int fils_pmkid_erp(int akmp, const u8 *reauth, size_t reauth_len,
u8 *pmkid);
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);
u8 *ick, size_t *ick_len, int akmp, int cipher,
u8 *fils_ft, size_t *fils_ft_len);
int fils_key_auth_sk(const u8 *ick, size_t ick_len, const u8 *snonce,
const u8 *anonce, const u8 *sta_addr, const u8 *bssid,
const u8 *g_sta, size_t g_sta_len,