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Diffstat (limited to 'net/mac80211/key.c')
-rw-r--r--net/mac80211/key.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index b7e1350273bb..827ea8e6ee0a 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -290,9 +290,11 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
290struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg, 290struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
291 int idx, 291 int idx,
292 size_t key_len, 292 size_t key_len,
293 const u8 *key_data) 293 const u8 *key_data,
294 size_t seq_len, const u8 *seq)
294{ 295{
295 struct ieee80211_key *key; 296 struct ieee80211_key *key;
297 int i, j;
296 298
297 BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS); 299 BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS);
298 300
@@ -318,14 +320,31 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
318 case ALG_TKIP: 320 case ALG_TKIP:
319 key->conf.iv_len = TKIP_IV_LEN; 321 key->conf.iv_len = TKIP_IV_LEN;
320 key->conf.icv_len = TKIP_ICV_LEN; 322 key->conf.icv_len = TKIP_ICV_LEN;
323 if (seq && seq_len == 6) {
324 for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
325 key->u.tkip.rx[i].iv32 =
326 get_unaligned_le32(&seq[2]);
327 key->u.tkip.rx[i].iv16 =
328 get_unaligned_le16(seq);
329 }
330 }
321 break; 331 break;
322 case ALG_CCMP: 332 case ALG_CCMP:
323 key->conf.iv_len = CCMP_HDR_LEN; 333 key->conf.iv_len = CCMP_HDR_LEN;
324 key->conf.icv_len = CCMP_MIC_LEN; 334 key->conf.icv_len = CCMP_MIC_LEN;
335 if (seq && seq_len == CCMP_PN_LEN) {
336 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
337 for (j = 0; j < CCMP_PN_LEN; j++)
338 key->u.ccmp.rx_pn[i][j] =
339 seq[CCMP_PN_LEN - j - 1];
340 }
325 break; 341 break;
326 case ALG_AES_CMAC: 342 case ALG_AES_CMAC:
327 key->conf.iv_len = 0; 343 key->conf.iv_len = 0;
328 key->conf.icv_len = sizeof(struct ieee80211_mmie); 344 key->conf.icv_len = sizeof(struct ieee80211_mmie);
345 if (seq && seq_len == 6)
346 for (j = 0; j < 6; j++)
347 key->u.aes_cmac.rx_pn[j] = seq[6 - j - 1];
329 break; 348 break;
330 } 349 }
331 memcpy(key->conf.key, key_data, key_len); 350 memcpy(key->conf.key, key_data, key_len);