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path: root/drivers/staging/vt6656/aes_ccmp.c
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Diffstat (limited to 'drivers/staging/vt6656/aes_ccmp.c')
-rw-r--r--drivers/staging/vt6656/aes_ccmp.c131
1 files changed, 59 insertions, 72 deletions
diff --git a/drivers/staging/vt6656/aes_ccmp.c b/drivers/staging/vt6656/aes_ccmp.c
index fb6124d9082..28a4c4c3041 100644
--- a/drivers/staging/vt6656/aes_ccmp.c
+++ b/drivers/staging/vt6656/aes_ccmp.c
@@ -33,17 +33,11 @@
#include "device.h"
#include "80211hdr.h"
-/*--------------------- Static Definitions -------------------------*/
-
-/*--------------------- Static Classes ----------------------------*/
-
-/*--------------------- Static Variables --------------------------*/
-
/*
* SBOX Table
*/
-BYTE sbox_table[256] = {
+u8 sbox_table[256] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
@@ -62,7 +56,7 @@ BYTE sbox_table[256] = {
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
-BYTE dot2_table[256] = {
+u8 dot2_table[256] = {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
@@ -81,7 +75,7 @@ BYTE dot2_table[256] = {
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
};
-BYTE dot3_table[256] = {
+u8 dot3_table[256] = {
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
@@ -100,17 +94,11 @@ BYTE dot3_table[256] = {
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
};
-/*--------------------- Static Functions --------------------------*/
-
-/*--------------------- Export Variables --------------------------*/
-
-/*--------------------- Export Functions --------------------------*/
-
-static void xor_128(BYTE *a, BYTE *b, BYTE *out)
+static void xor_128(u8 *a, u8 *b, u8 *out)
{
- PDWORD dwPtrA = (PDWORD) a;
- PDWORD dwPtrB = (PDWORD) b;
- PDWORD dwPtrOut = (PDWORD) out;
+ u32 * dwPtrA = (u32 *) a;
+ u32 * dwPtrB = (u32 *) b;
+ u32 * dwPtrOut = (u32 *) out;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
@@ -118,20 +106,19 @@ static void xor_128(BYTE *a, BYTE *b, BYTE *out)
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
-
-static void xor_32(BYTE *a, BYTE *b, BYTE *out)
+static void xor_32(u8 *a, u8 *b, u8 *out)
{
- PDWORD dwPtrA = (PDWORD) a;
- PDWORD dwPtrB = (PDWORD) b;
- PDWORD dwPtrOut = (PDWORD) out;
+ u32 * dwPtrA = (u32 *) a;
+ u32 * dwPtrB = (u32 *) b;
+ u32 * dwPtrOut = (u32 *) out;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
-void AddRoundKey(BYTE *key, int round)
+void AddRoundKey(u8 *key, int round)
{
- BYTE sbox_key[4];
- BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
+ u8 sbox_key[4];
+ u8 rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
sbox_key[0] = sbox_table[key[13]];
sbox_key[1] = sbox_table[key[14]];
@@ -146,7 +133,7 @@ void AddRoundKey(BYTE *key, int round)
xor_32(&key[12], &key[8], &key[12]);
}
-void SubBytes(BYTE *in, BYTE *out)
+void SubBytes(u8 *in, u8 *out)
{
int i;
@@ -154,7 +141,7 @@ void SubBytes(BYTE *in, BYTE *out)
out[i] = sbox_table[in[i]];
}
-void ShiftRows(BYTE *in, BYTE *out)
+void ShiftRows(u8 *in, u8 *out)
{
out[0] = in[0];
out[1] = in[5];
@@ -174,7 +161,7 @@ void ShiftRows(BYTE *in, BYTE *out)
out[15] = in[11];
}
-void MixColumns(BYTE *in, BYTE *out)
+void MixColumns(u8 *in, u8 *out)
{
out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
@@ -183,13 +170,13 @@ void MixColumns(BYTE *in, BYTE *out)
out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
}
-void AESv128(BYTE *key, BYTE *data, BYTE *ciphertext)
+void AESv128(u8 *key, u8 *data, u8 *ciphertext)
{
int i;
int round;
- BYTE TmpdataA[16];
- BYTE TmpdataB[16];
- BYTE abyRoundKey[16];
+ u8 TmpdataA[16];
+ u8 TmpdataB[16];
+ u8 abyRoundKey[16];
for (i = 0; i < 16; i++)
abyRoundKey[i] = key[i];
@@ -231,32 +218,32 @@ void AESv128(BYTE *key, BYTE *data, BYTE *ciphertext)
*
*/
-bool AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
+bool AESbGenCCMP(u8 * pbyRxKey, u8 * pbyFrame, u16 wFrameSize)
{
- BYTE abyNonce[13];
- BYTE MIC_IV[16];
- BYTE MIC_HDR1[16];
- BYTE MIC_HDR2[16];
- BYTE abyMIC[16];
- BYTE abyCTRPLD[16];
- BYTE abyTmp[16];
- BYTE abyPlainText[16];
- BYTE abyLastCipher[16];
-
- PS802_11Header pMACHeader = (PS802_11Header) pbyFrame;
- PBYTE pbyIV;
- PBYTE pbyPayload;
- WORD wHLen = 22;
+ u8 abyNonce[13];
+ u8 MIC_IV[16];
+ u8 MIC_HDR1[16];
+ u8 MIC_HDR2[16];
+ u8 abyMIC[16];
+ u8 abyCTRPLD[16];
+ u8 abyTmp[16];
+ u8 abyPlainText[16];
+ u8 abyLastCipher[16];
+
+ struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *) pbyFrame;
+ u8 * pbyIV;
+ u8 * pbyPayload;
+ u16 wHLen = 22;
/* 8 is IV, 8 is MIC, 4 is CRC */
- WORD wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;
+ u16 wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;
bool bA4 = false;
- BYTE byTmp;
- WORD wCnt;
+ u8 byTmp;
+ u16 wCnt;
int ii, jj, kk;
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
- if (WLAN_GET_FC_TODS(*(PWORD) pbyFrame) &&
- WLAN_GET_FC_FROMDS(*(PWORD) pbyFrame)) {
+ if (WLAN_GET_FC_TODS(*(u16 *) pbyFrame) &&
+ WLAN_GET_FC_FROMDS(*(u16 *) pbyFrame)) {
bA4 = true;
pbyIV += 6; /* 6 is 802.11 address4 */
wHLen += 6;
@@ -265,7 +252,7 @@ bool AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
pbyPayload = pbyIV + 8; /* IV-length */
abyNonce[0] = 0x00; /* now is 0, if Qos here will be priority */
- memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
+ memcpy(&(abyNonce[1]), pMACHeader->addr2, ETH_ALEN);
abyNonce[7] = pbyIV[7];
abyNonce[8] = pbyIV[6];
abyNonce[9] = pbyIV[5];
@@ -276,28 +263,28 @@ bool AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
/* MIC_IV */
MIC_IV[0] = 0x59;
memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13);
- MIC_IV[14] = (BYTE)(wPayloadSize >> 8);
- MIC_IV[15] = (BYTE)(wPayloadSize & 0xff);
+ MIC_IV[14] = (u8)(wPayloadSize >> 8);
+ MIC_IV[15] = (u8)(wPayloadSize & 0xff);
/* MIC_HDR1 */
- MIC_HDR1[0] = (BYTE)(wHLen >> 8);
- MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
- byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
+ MIC_HDR1[0] = (u8)(wHLen >> 8);
+ MIC_HDR1[1] = (u8)(wHLen & 0xff);
+ byTmp = (u8)(pMACHeader->frame_control & 0xff);
MIC_HDR1[2] = byTmp & 0x8f;
- byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
+ byTmp = (u8)(pMACHeader->frame_control >> 8);
byTmp &= 0x87;
MIC_HDR1[3] = byTmp | 0x40;
- memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
- memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
+ memcpy(&(MIC_HDR1[4]), pMACHeader->addr1, ETH_ALEN);
+ memcpy(&(MIC_HDR1[10]), pMACHeader->addr2, ETH_ALEN);
/* MIC_HDR2 */
- memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
- byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
+ memcpy(&(MIC_HDR2[0]), pMACHeader->addr3, ETH_ALEN);
+ byTmp = (u8)(pMACHeader->seq_ctrl & 0xff);
MIC_HDR2[6] = byTmp & 0x0f;
MIC_HDR2[7] = 0;
if (bA4) {
- memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
+ memcpy(&(MIC_HDR2[8]), pMACHeader->addr4, ETH_ALEN);
} else {
MIC_HDR2[8] = 0x00;
MIC_HDR2[9] = 0x00;
@@ -326,8 +313,8 @@ bool AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
for (jj = wPayloadSize; jj > 16; jj = jj-16) {
- abyCTRPLD[14] = (BYTE) (wCnt >> 8);
- abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+ abyCTRPLD[14] = (u8) (wCnt >> 8);
+ abyCTRPLD[15] = (u8) (wCnt & 0xff);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
@@ -349,8 +336,8 @@ bool AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
for (ii = jj; ii < 16; ii++)
abyLastCipher[ii] = 0x00;
- abyCTRPLD[14] = (BYTE) (wCnt >> 8);
- abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+ abyCTRPLD[14] = (u8) (wCnt >> 8);
+ abyCTRPLD[15] = (u8) (wCnt & 0xff);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 16; kk++)
@@ -370,8 +357,8 @@ bool AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
/* => above is the calculated MIC */
wCnt = 0;
- abyCTRPLD[14] = (BYTE) (wCnt >> 8);
- abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+ abyCTRPLD[14] = (u8) (wCnt >> 8);
+ abyCTRPLD[15] = (u8) (wCnt & 0xff);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 8; kk++)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-29 03:31:09 +0000