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path: root/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
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Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_crypt_tkip.c')
-rw-r--r--drivers/staging/rtl8192e/rtllib_crypt_tkip.c81
1 files changed, 43 insertions, 38 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
index 78db2b6826f7..656b4b359c50 100644
--- a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
+++ b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
@@ -66,8 +66,8 @@ static void *rtllib_tkip_init(int key_idx)
priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tx_tfm_arc4)) {
- printk(KERN_DEBUG "rtllib_crypt_tkip: could not allocate "
- "crypto API arc4\n");
+ printk(KERN_DEBUG
+ "rtllib_crypt_tkip: could not allocate crypto API arc4\n");
priv->tx_tfm_arc4 = NULL;
goto fail;
}
@@ -75,8 +75,8 @@ static void *rtllib_tkip_init(int key_idx)
priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tx_tfm_michael)) {
- printk(KERN_DEBUG "rtllib_crypt_tkip: could not allocate "
- "crypto API michael_mic\n");
+ printk(KERN_DEBUG
+ "rtllib_crypt_tkip: could not allocate crypto API michael_mic\n");
priv->tx_tfm_michael = NULL;
goto fail;
}
@@ -84,8 +84,8 @@ static void *rtllib_tkip_init(int key_idx)
priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm_arc4)) {
- printk(KERN_DEBUG "rtllib_crypt_tkip: could not allocate "
- "crypto API arc4\n");
+ printk(KERN_DEBUG
+ "rtllib_crypt_tkip: could not allocate crypto API arc4\n");
priv->rx_tfm_arc4 = NULL;
goto fail;
}
@@ -93,8 +93,8 @@ static void *rtllib_tkip_init(int key_idx)
priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm_michael)) {
- printk(KERN_DEBUG "rtllib_crypt_tkip: could not allocate "
- "crypto API michael_mic\n");
+ printk(KERN_DEBUG
+ "rtllib_crypt_tkip: could not allocate crypto API michael_mic\n");
priv->rx_tfm_michael = NULL;
goto fail;
}
@@ -249,7 +249,8 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
u16 IV16)
{
/* Make temporary area overlap WEP seed so that the final copy can be
- * avoided on little endian hosts. */
+ * avoided on little endian hosts.
+ */
u16 *PPK = (u16 *) &WEPSeed[4];
/* Step 1 - make copy of TTAK and bring in TSC */
@@ -276,7 +277,8 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
PPK[5] += RotR1(PPK[4]);
/* Step 3 - bring in last of TK bits, assign 24-bit WEP IV value
- * WEPSeed[0..2] is transmitted as WEP IV */
+ * WEPSeed[0..2] is transmitted as WEP IV
+ */
WEPSeed[0] = Hi8(IV16);
WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F;
WEPSeed[2] = Lo8(IV16);
@@ -399,22 +401,24 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet without ExtIV"
- " flag from %pM\n", hdr->addr2);
+ printk(KERN_DEBUG
+ "TKIP: received packet without ExtIV flag from %pM\n",
+ hdr->addr2);
}
return -2;
}
keyidx >>= 6;
if (tkey->key_idx != keyidx) {
- printk(KERN_DEBUG "TKIP: RX tkey->key_idx=%d frame "
- "keyidx=%d priv=%p\n", tkey->key_idx, keyidx, priv);
+ printk(KERN_DEBUG
+ "TKIP: RX tkey->key_idx=%d frame keyidx=%d priv=%p\n",
+ tkey->key_idx, keyidx, priv);
return -6;
}
if (!tkey->key_set) {
if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet from %pM"
- " with keyid=%d that does not have a configured"
- " key\n", hdr->addr2, keyidx);
+ printk(KERN_DEBUG
+ "TKIP: received packet from %pM with keyid=%d that does not have a configured key\n",
+ hdr->addr2, keyidx);
}
return -3;
}
@@ -427,10 +431,10 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) &&
tkey->initialized) {
if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: replay detected: STA="
- " %pM previous TSC %08x%04x received "
- "TSC %08x%04x\n", hdr->addr2,
- tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
+ printk(KERN_DEBUG
+ "TKIP: replay detected: STA= %pM previous TSC %08x%04x received TSC %08x%04x\n",
+ hdr->addr2, tkey->rx_iv32, tkey->rx_iv16,
+ iv32, iv16);
}
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
@@ -451,8 +455,8 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
if (net_ratelimit()) {
- printk(KERN_DEBUG ": TKIP: failed to decrypt "
- "received packet from %pM\n",
+ printk(KERN_DEBUG
+ ": TKIP: failed to decrypt received packet from %pM\n",
hdr->addr2);
}
return -7;
@@ -468,12 +472,14 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
if (iv32 != tkey->rx_iv32) {
/* Previously cached Phase1 result was already
* lost, so it needs to be recalculated for the
- * next packet. */
+ * next packet.
+ */
tkey->rx_phase1_done = 0;
}
if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: ICV error detected: STA="
- " %pM\n", hdr->addr2);
+ printk(KERN_DEBUG
+ "TKIP: ICV error detected: STA= %pM\n",
+ hdr->addr2);
}
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
@@ -482,7 +488,8 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
}
/* Update real counters only after Michael MIC verification has
- * completed */
+ * completed
+ */
tkey->rx_iv32_new = iv32;
tkey->rx_iv16_new = iv16;
@@ -502,7 +509,7 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 *key, u8 *hdr,
struct scatterlist sg[2];
if (tfm_michael == NULL) {
- printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
+ pr_warn("michael_mic: tfm_michael == NULL\n");
return -1;
}
sg_init_table(sg, 2);
@@ -557,8 +564,8 @@ static int rtllib_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv)
hdr = (struct rtllib_hdr_4addr *) skb->data;
if (skb_tailroom(skb) < 8 || skb->len < hdr_len) {
- printk(KERN_DEBUG "Invalid packet for Michael MIC add "
- "(tailroom=%d hdr_len=%d skb->len=%d)\n",
+ printk(KERN_DEBUG
+ "Invalid packet for Michael MIC add (tailroom=%d hdr_len=%d skb->len=%d)\n",
skb_tailroom(skb), hdr_len, skb->len);
return -1;
}
@@ -621,14 +628,14 @@ static int rtllib_michael_mic_verify(struct sk_buff *skb, int keyidx,
struct rtllib_hdr_4addr *hdr;
hdr = (struct rtllib_hdr_4addr *) skb->data;
- printk(KERN_DEBUG "%s: Michael MIC verification failed for "
- "MSDU from %pM keyidx=%d\n",
+ printk(KERN_DEBUG
+ "%s: Michael MIC verification failed for MSDU from %pM keyidx=%d\n",
skb->dev ? skb->dev->name : "N/A", hdr->addr2,
keyidx);
printk(KERN_DEBUG "%d\n",
memcmp(mic, skb->data + skb->len - 8, 8) != 0);
if (skb->dev) {
- printk(KERN_INFO "skb->dev != NULL\n");
+ pr_info("skb->dev != NULL\n");
rtllib_michael_mic_failure(skb->dev, hdr, keyidx);
}
tkey->dot11RSNAStatsTKIPLocalMICFailures++;
@@ -636,7 +643,8 @@ static int rtllib_michael_mic_verify(struct sk_buff *skb, int keyidx,
}
/* Update TSC counters for RX now that the packet verification has
- * completed. */
+ * completed.
+ */
tkey->rx_iv32 = tkey->rx_iv32_new;
tkey->rx_iv16 = tkey->rx_iv16_new;
@@ -717,10 +725,7 @@ static void rtllib_tkip_print_stats(struct seq_file *m, void *priv)
struct rtllib_tkip_data *tkip = priv;
seq_printf(m,
- "key[%d] alg=TKIP key_set=%d "
- "tx_pn=%02x%02x%02x%02x%02x%02x "
- "rx_pn=%02x%02x%02x%02x%02x%02x "
- "replays=%d icv_errors=%d local_mic_failures=%d\n",
+ "key[%d] alg=TKIP key_set=%d tx_pn=%02x%02x%02x%02x%02x%02x rx_pn=%02x%02x%02x%02x%02x%02x replays=%d icv_errors=%d local_mic_failures=%d\n",
tkip->key_idx, tkip->key_set,
(tkip->tx_iv32 >> 24) & 0xff,
(tkip->tx_iv32 >> 16) & 0xff,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.