diff options
Diffstat (limited to 'net/mac80211/key.c')
| -rw-r--r-- | net/mac80211/key.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index cbee2f5..83c6108 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -163,6 +163,7 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) case WLAN_CIPHER_SUITE_WEP104: case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: case WLAN_CIPHER_SUITE_AES_CMAC: case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: @@ -389,7 +390,26 @@ ieee80211_key_alloc(u32 cipher, int idx, size_t key_len, * Initialize AES key state here as an optimization so that * it does not need to be initialized for every packet. */ - key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(key_data); + key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt( + key_data, key_len, IEEE80211_CCMP_MIC_LEN); + if (IS_ERR(key->u.ccmp.tfm)) { + err = PTR_ERR(key->u.ccmp.tfm); + kfree(key); + return ERR_PTR(err); + } + break; + case WLAN_CIPHER_SUITE_CCMP_256: + key->conf.iv_len = IEEE80211_CCMP_256_HDR_LEN; + key->conf.icv_len = IEEE80211_CCMP_256_MIC_LEN; + for (i = 0; seq && i < IEEE80211_NUM_TIDS + 1; i++) + for (j = 0; j < IEEE80211_CCMP_256_PN_LEN; j++) + key->u.ccmp.rx_pn[i][j] = + seq[IEEE80211_CCMP_256_PN_LEN - j - 1]; + /* Initialize AES key state here as an optimization so that + * it does not need to be initialized for every packet. + */ + key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt( + key_data, key_len, IEEE80211_CCMP_256_MIC_LEN); if (IS_ERR(key->u.ccmp.tfm)) { err = PTR_ERR(key->u.ccmp.tfm); kfree(key); @@ -457,6 +477,7 @@ static void ieee80211_key_free_common(struct ieee80211_key *key) { switch (key->conf.cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: ieee80211_aes_key_free(key->u.ccmp.tfm); break; case WLAN_CIPHER_SUITE_AES_CMAC: @@ -773,6 +794,7 @@ void ieee80211_get_key_tx_seq(struct ieee80211_key_conf *keyconf, seq->tkip.iv16 = key->u.tkip.tx.iv16; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: pn64 = atomic64_read(&key->u.ccmp.tx_pn); seq->ccmp.pn[5] = pn64; seq->ccmp.pn[4] = pn64 >> 8; @@ -822,6 +844,7 @@ void ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf, seq->tkip.iv16 = key->u.tkip.rx[tid].iv16; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS)) return; if (tid < 0) @@ -864,6 +887,7 @@ void ieee80211_set_key_tx_seq(struct ieee80211_key_conf *keyconf, key->u.tkip.tx.iv16 = seq->tkip.iv16; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: pn64 = (u64)seq->ccmp.pn[5] | ((u64)seq->ccmp.pn[4] << 8) | ((u64)seq->ccmp.pn[3] << 16) | @@ -914,6 +938,7 @@ void ieee80211_set_key_rx_seq(struct ieee80211_key_conf *keyconf, key->u.tkip.rx[tid].iv16 = seq->tkip.iv16; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS)) return; if (tid < 0) |
