diff options
Diffstat (limited to 'kernel/drivers/staging/rtl8723au/core/rtw_security.c')
| -rw-r--r-- | kernel/drivers/staging/rtl8723au/core/rtw_security.c | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/kernel/drivers/staging/rtl8723au/core/rtw_security.c b/kernel/drivers/staging/rtl8723au/core/rtw_security.c index af53c92fc..038b57b3a 100644 --- a/kernel/drivers/staging/rtl8723au/core/rtw_security.c +++ b/kernel/drivers/staging/rtl8723au/core/rtw_security.c @@ -148,7 +148,7 @@ void rtw_wep_encrypt23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe) { /* exclude ICV */ - unsigned char crc[4]; + __le32 crc; struct arc4context mycontext; int curfragnum, length, index; u32 keylength; @@ -186,18 +186,20 @@ void rtw_wep_encrypt23a(struct rtw_adapter *padapter, length = pattrib->last_txcmdsz - pattrib->hdrlen - pattrib->iv_len - pattrib->icv_len; - *((u32 *)crc) = cpu_to_le32(getcrc32(payload, length)); + crc = cpu_to_le32(getcrc32(payload, length)); arcfour_init(&mycontext, wepkey, 3 + keylength); arcfour_encrypt(&mycontext, payload, payload, length); - arcfour_encrypt(&mycontext, payload + length, crc, 4); + arcfour_encrypt(&mycontext, payload + length, + (char *)&crc, 4); } else { length = pxmitpriv->frag_len - pattrib->hdrlen - pattrib->iv_len - pattrib->icv_len; - *((u32 *)crc) = cpu_to_le32(getcrc32(payload, length)); + crc = cpu_to_le32(getcrc32(payload, length)); arcfour_init(&mycontext, wepkey, 3 + keylength); arcfour_encrypt(&mycontext, payload, payload, length); - arcfour_encrypt(&mycontext, payload + length, crc, 4); + arcfour_encrypt(&mycontext, payload + length, + (char *)&crc, 4); pframe += pxmitpriv->frag_len; pframe = PTR_ALIGN(pframe, 4); @@ -243,8 +245,8 @@ void rtw_wep_decrypt23a(struct rtw_adapter *padapter, arcfour_encrypt(&mycontext, payload, payload, length); /* calculate icv and compare the icv */ - actual_crc = le32_to_cpu(getcrc32(payload, length - 4)); - expected_crc = le32_to_cpu(get_unaligned_le32(&payload[length - 4])); + actual_crc = getcrc32(payload, length - 4); + expected_crc = get_unaligned_le32(&payload[length - 4]); if (actual_crc != expected_crc) { RT_TRACE(_module_rtl871x_security_c_, _drv_err_, @@ -602,11 +604,10 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter, u32 pnh; u8 rc4key[16]; u8 ttkey[16]; - u8 crc[4]; + __le32 crc; u8 hw_hdr_offset = 0; struct arc4context mycontext; int curfragnum, length; - u32 prwskeylen; u8 *pframe, *payload, *iv, *prwskey; union pn48 dot11txpn; struct sta_info *stainfo; @@ -653,8 +654,6 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter, else prwskey = &stainfo->dot118021x_UncstKey.skey[0]; - prwskeylen = 16; - /* 4 start to encrypt each fragment */ for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { iv = pframe + pattrib->hdrlen; @@ -679,11 +678,12 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter, "pattrib->iv_len =%x, pattrib->icv_len =%x\n", pattrib->iv_len, pattrib->icv_len); - *((u32 *)crc) = cpu_to_le32(getcrc32(payload, length)); + crc = cpu_to_le32(getcrc32(payload, length)); arcfour_init(&mycontext, rc4key, 16); arcfour_encrypt(&mycontext, payload, payload, length); - arcfour_encrypt(&mycontext, payload + length, crc, 4); + arcfour_encrypt(&mycontext, payload + length, + (char *)&crc, 4); } else { length = (pxmitpriv->frag_len - @@ -691,10 +691,11 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter, pattrib->iv_len - pattrib->icv_len); - *((u32 *)crc) = cpu_to_le32(getcrc32(payload, length)); + crc = cpu_to_le32(getcrc32(payload, length)); arcfour_init(&mycontext, rc4key, 16); arcfour_encrypt(&mycontext, payload, payload, length); - arcfour_encrypt(&mycontext, payload + length, crc, 4); + arcfour_encrypt(&mycontext, payload + length, + (char *)&crc, 4); pframe += pxmitpriv->frag_len; pframe = PTR_ALIGN(pframe, 4); @@ -715,7 +716,6 @@ int rtw_tkip_decrypt23a(struct rtw_adapter *padapter, u32 actual_crc, expected_crc; struct arc4context mycontext; int length; - u32 prwskeylen; u8 *pframe, *payload, *iv, *prwskey; union pn48 dot11txpn; struct sta_info *stainfo; @@ -745,12 +745,10 @@ int rtw_tkip_decrypt23a(struct rtw_adapter *padapter, goto exit; } prwskey = psecuritypriv->dot118021XGrpKey[prxattrib->key_index].skey; - prwskeylen = 16; } else { RT_TRACE(_module_rtl871x_security_c_, _drv_err_, "%s: stainfo!= NULL!!!\n", __func__); prwskey = &stainfo->dot118021x_UncstKey.skey[0]; - prwskeylen = 16; } iv = pframe + prxattrib->hdrlen; @@ -769,8 +767,8 @@ int rtw_tkip_decrypt23a(struct rtw_adapter *padapter, arcfour_init(&mycontext, rc4key, 16); arcfour_encrypt(&mycontext, payload, payload, length); - actual_crc = le32_to_cpu(getcrc32(payload, length - 4)); - expected_crc = le32_to_cpu(get_unaligned_le32(&payload[length - 4])); + actual_crc = getcrc32(payload, length - 4); + expected_crc = get_unaligned_le32(&payload[length - 4]); if (actual_crc != expected_crc) { RT_TRACE(_module_rtl871x_security_c_, _drv_err_, @@ -1284,7 +1282,6 @@ int rtw_aes_encrypt23a(struct rtw_adapter *padapter, { /* exclude ICV */ /* Intermediate Buffers */ int curfragnum, length; - u32 prwskeylen; u8 *pframe, *prwskey; u8 hw_hdr_offset = 0; struct sta_info *stainfo; @@ -1331,8 +1328,6 @@ int rtw_aes_encrypt23a(struct rtw_adapter *padapter, else prwskey = &stainfo->dot118021x_UncstKey.skey[0]; - prwskeylen = 16; - for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { /* 4 the last fragment */ if ((curfragnum + 1) == pattrib->nr_frags) { |