diff options
| -rw-r--r-- | net/mac80211/tkip.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c index e9ee247e13f7..a00cf1ea7719 100644 --- a/net/mac80211/tkip.c +++ b/net/mac80211/tkip.c @@ -95,10 +95,12 @@ static void tkip_mixing_phase1(struct ieee80211_key *key, const u8 *ta, ctx->initialized = 1; } -static void tkip_mixing_phase2(const u16 *p1k, const u8 *tk, u16 tsc_IV16, - u8 *rc4key) +static void tkip_mixing_phase2(struct ieee80211_key *key, struct tkip_ctx *ctx, + u16 tsc_IV16, u8 *rc4key) { u16 ppk[6]; + const u16 *p1k = ctx->p1k; + const u8 *tk = &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY]; int i; ppk[0] = p1k[0]; @@ -152,9 +154,7 @@ static void ieee80211_tkip_gen_rc4key(struct ieee80211_key *key, u8 *ta, if (key->u.tkip.tx.iv16 == 0 || !key->u.tkip.tx.initialized) tkip_mixing_phase1(key, ta, &key->u.tkip.tx, key->u.tkip.tx.iv32); - tkip_mixing_phase2(key->u.tkip.tx.p1k, - &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY], - key->u.tkip.tx.iv16, rc4key); + tkip_mixing_phase2(key, &key->u.tkip.tx, key->u.tkip.tx.iv16, rc4key); } void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf, @@ -197,8 +197,7 @@ void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf, return; } - tkip_mixing_phase2(key->u.tkip.tx.p1k, - &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY], iv16, outkey); + tkip_mixing_phase2(key, &key->u.tkip.tx, iv16, outkey); } EXPORT_SYMBOL(ieee80211_get_tkip_key); @@ -315,9 +314,7 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm, } } - tkip_mixing_phase2(key->u.tkip.rx[queue].p1k, - &key->conf.key[ALG_TKIP_TEMP_ENCR_KEY], - iv16, rc4key); + tkip_mixing_phase2(key, &key->u.tkip.rx[queue], iv16, rc4key); #ifdef CONFIG_TKIP_DEBUG { int i; |