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authorAndres More <more.andres@gmail.com>2010-05-09 21:20:09 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-11 18:53:37 -0400
commit8ff23777f02209b4c5405be292884990fac68604 (patch)
tree913c64404d59b45b2d1866e26e1eabebe3beb78d /drivers/staging/vt6656/aes_ccmp.c
parent5ae8cb9525f0481025b9bc156c7a181aff7ded47 (diff)
staging: vt6656: aes_ccmp.c: code cleanup, cleared checkpatch findings
Resolved all warnings/errors but lines having over 80 characters. Signed-off-by: Andres More <more.andres@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/vt6656/aes_ccmp.c')
-rw-r--r--drivers/staging/vt6656/aes_ccmp.c561
1 files changed, 272 insertions, 289 deletions
diff --git a/drivers/staging/vt6656/aes_ccmp.c b/drivers/staging/vt6656/aes_ccmp.c
index a1beaa93b33..b3d367b9bdc 100644
--- a/drivers/staging/vt6656/aes_ccmp.c
+++ b/drivers/staging/vt6656/aes_ccmp.c
@@ -16,7 +16,6 @@
16 * with this program; if not, write to the Free Software Foundation, Inc., 16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 * 18 *
19 *
20 * File: aes_ccmp.c 19 * File: aes_ccmp.c
21 * 20 *
22 * Purpose: AES_CCMP decryption 21 * Purpose: AES_CCMP decryption
@@ -28,9 +27,7 @@
28 * Functions: 27 * Functions:
29 * AESbGenCCMP - Parsing RX-packet 28 * AESbGenCCMP - Parsing RX-packet
30 * 29 *
31 *
32 * Revision History: 30 * Revision History:
33 *
34 */ 31 */
35 32
36#include "device.h" 33#include "device.h"
@@ -46,62 +43,61 @@
46 * SBOX Table 43 * SBOX Table
47 */ 44 */
48 45
49BYTE sbox_table[256] = 46BYTE sbox_table[256] = {
50{ 47 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
510x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 48 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
520xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 49 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
530xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 50 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
540x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 51 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
550x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 52 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
560x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 53 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
570xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 54 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
580x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 55 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
590xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 56 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
600x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 57 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
610xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 58 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
620xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 59 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
630xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 60 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
640x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 61 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
650xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 62 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
660x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
67}; 63};
68 64
69BYTE dot2_table[256] = { 65BYTE dot2_table[256] = {
700x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 66 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
710x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 67 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
720x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e, 68 0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
730x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e, 69 0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
740x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 70 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
750xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, 71 0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
760xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde, 72 0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
770xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 73 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
780x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05, 74 0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
790x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25, 75 0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
800x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 76 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
810x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65, 77 0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
820x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85, 78 0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
830xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5, 79 0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
840xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5, 80 0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
850xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5 81 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
86}; 82};
87 83
88BYTE dot3_table[256] = { 84BYTE dot3_table[256] = {
890x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11, 85 0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
900x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21, 86 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
910x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71, 87 0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
920x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41, 88 0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
930xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1, 89 0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
940xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1, 90 0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
950xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1, 91 0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
960x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81, 92 0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
970x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a, 93 0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
980xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba, 94 0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
990xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea, 95 0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
1000xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda, 96 0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
1010x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a, 97 0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
1020x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a, 98 0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
1030x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a, 99 0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
1040x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a 100 0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
105}; 101};
106 102
107/*--------------------- Static Functions --------------------------*/ 103/*--------------------- Static Functions --------------------------*/
@@ -112,120 +108,111 @@ BYTE dot3_table[256] = {
112 108
113void xor_128(BYTE *a, BYTE *b, BYTE *out) 109void xor_128(BYTE *a, BYTE *b, BYTE *out)
114{ 110{
115PDWORD dwPtrA = (PDWORD) a; 111 PDWORD dwPtrA = (PDWORD) a;
116PDWORD dwPtrB = (PDWORD) b; 112 PDWORD dwPtrB = (PDWORD) b;
117PDWORD dwPtrOut =(PDWORD) out; 113 PDWORD dwPtrOut = (PDWORD) out;
118 114
119 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); 115 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
120 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); 116 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
121 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); 117 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
122 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); 118 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
123} 119}
124 120
125 121
126void xor_32(BYTE *a, BYTE *b, BYTE *out) 122void xor_32(BYTE *a, BYTE *b, BYTE *out)
127{ 123{
128PDWORD dwPtrA = (PDWORD) a; 124 PDWORD dwPtrA = (PDWORD) a;
129PDWORD dwPtrB = (PDWORD) b; 125 PDWORD dwPtrB = (PDWORD) b;
130PDWORD dwPtrOut =(PDWORD) out; 126 PDWORD dwPtrOut = (PDWORD) out;
131 127
132 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); 128 (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
133} 129}
134 130
135void AddRoundKey(BYTE *key, int round) 131void AddRoundKey(BYTE *key, int round)
136{ 132{
137BYTE sbox_key[4]; 133 BYTE sbox_key[4];
138BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36}; 134 BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
139 135
140 sbox_key[0] = sbox_table[key[13]]; 136 sbox_key[0] = sbox_table[key[13]];
141 sbox_key[1] = sbox_table[key[14]]; 137 sbox_key[1] = sbox_table[key[14]];
142 sbox_key[2] = sbox_table[key[15]]; 138 sbox_key[2] = sbox_table[key[15]];
143 sbox_key[3] = sbox_table[key[12]]; 139 sbox_key[3] = sbox_table[key[12]];
144 140
145 key[0] = key[0] ^ rcon_table[round]; 141 key[0] = key[0] ^ rcon_table[round];
146 xor_32(&key[0], sbox_key, &key[0]); 142 xor_32(&key[0], sbox_key, &key[0]);
147 143
148 xor_32(&key[4], &key[0], &key[4]); 144 xor_32(&key[4], &key[0], &key[4]);
149 xor_32(&key[8], &key[4], &key[8]); 145 xor_32(&key[8], &key[4], &key[8]);
150 xor_32(&key[12], &key[8], &key[12]); 146 xor_32(&key[12], &key[8], &key[12]);
151} 147}
152 148
153void SubBytes(BYTE *in, BYTE *out) 149void SubBytes(BYTE *in, BYTE *out)
154{ 150{
155int i; 151 int i;
156 152
157 for (i=0; i< 16; i++) 153 for (i = 0; i < 16; i++)
158 { 154 out[i] = sbox_table[in[i]];
159 out[i] = sbox_table[in[i]];
160 }
161} 155}
162 156
163void ShiftRows(BYTE *in, BYTE *out) 157void ShiftRows(BYTE *in, BYTE *out)
164{ 158{
165 out[0] = in[0]; 159 out[0] = in[0];
166 out[1] = in[5]; 160 out[1] = in[5];
167 out[2] = in[10]; 161 out[2] = in[10];
168 out[3] = in[15]; 162 out[3] = in[15];
169 out[4] = in[4]; 163 out[4] = in[4];
170 out[5] = in[9]; 164 out[5] = in[9];
171 out[6] = in[14]; 165 out[6] = in[14];
172 out[7] = in[3]; 166 out[7] = in[3];
173 out[8] = in[8]; 167 out[8] = in[8];
174 out[9] = in[13]; 168 out[9] = in[13];
175 out[10] = in[2]; 169 out[10] = in[2];
176 out[11] = in[7]; 170 out[11] = in[7];
177 out[12] = in[12]; 171 out[12] = in[12];
178 out[13] = in[1]; 172 out[13] = in[1];
179 out[14] = in[6]; 173 out[14] = in[6];
180 out[15] = in[11]; 174 out[15] = in[11];
181} 175}
182 176
183void MixColumns(BYTE *in, BYTE *out) 177void MixColumns(BYTE *in, BYTE *out)
184{ 178{
185 179
186 out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3]; 180 out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
187 out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3]; 181 out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
188 out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]]; 182 out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]];
189 out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]]; 183 out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
190} 184}
191 185
192
193void AESv128(BYTE *key, BYTE *data, BYTE *ciphertext) 186void AESv128(BYTE *key, BYTE *data, BYTE *ciphertext)
194{ 187{
195int i; 188 int i;
196int round; 189 int round;
197BYTE TmpdataA[16]; 190 BYTE TmpdataA[16];
198BYTE TmpdataB[16]; 191 BYTE TmpdataB[16];
199BYTE abyRoundKey[16]; 192 BYTE abyRoundKey[16];
200 193
201 for(i=0; i<16; i++) 194 for (i = 0; i < 16; i++)
202 abyRoundKey[i] = key[i]; 195 abyRoundKey[i] = key[i];
203 196
204 for (round = 0; round < 11; round++) 197 for (round = 0; round < 11; round++) {
205 { 198 if (round == 0) {
206 if (round == 0) 199 xor_128(abyRoundKey, data, ciphertext);
207 { 200 AddRoundKey(abyRoundKey, round);
208 xor_128(abyRoundKey, data, ciphertext); 201 } else if (round == 10) {
209 AddRoundKey(abyRoundKey, round); 202 SubBytes(ciphertext, TmpdataA);
210 } 203 ShiftRows(TmpdataA, TmpdataB);
211 else if (round == 10) 204 xor_128(TmpdataB, abyRoundKey, ciphertext);
212 { 205 } else { /* round 1 ~ 9 */
213 SubBytes(ciphertext, TmpdataA); 206 SubBytes(ciphertext, TmpdataA);
214 ShiftRows(TmpdataA, TmpdataB); 207 ShiftRows(TmpdataA, TmpdataB);
215 xor_128(TmpdataB, abyRoundKey, ciphertext); 208 MixColumns(&TmpdataB[0], &TmpdataA[0]);
216 } 209 MixColumns(&TmpdataB[4], &TmpdataA[4]);
217 else // round 1 ~ 9 210 MixColumns(&TmpdataB[8], &TmpdataA[8]);
218 { 211 MixColumns(&TmpdataB[12], &TmpdataA[12]);
219 SubBytes(ciphertext, TmpdataA); 212 xor_128(TmpdataA, abyRoundKey, ciphertext);
220 ShiftRows(TmpdataA, TmpdataB); 213 AddRoundKey(abyRoundKey, round);
221 MixColumns(&TmpdataB[0], &TmpdataA[0]); 214 }
222 MixColumns(&TmpdataB[4], &TmpdataA[4]); 215 }
223 MixColumns(&TmpdataB[8], &TmpdataA[8]);
224 MixColumns(&TmpdataB[12], &TmpdataA[12]);
225 xor_128(TmpdataA, abyRoundKey, ciphertext);
226 AddRoundKey(abyRoundKey, round);
227 }
228 }
229 216
230} 217}
231 218
@@ -243,161 +230,157 @@ BYTE abyRoundKey[16];
243 * Return Value: MIC compare result 230 * Return Value: MIC compare result
244 * 231 *
245 */ 232 */
233
246BOOL AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize) 234BOOL AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD wFrameSize)
247{ 235{
248BYTE abyNonce[13]; 236 BYTE abyNonce[13];
249BYTE MIC_IV[16]; 237 BYTE MIC_IV[16];
250BYTE MIC_HDR1[16]; 238 BYTE MIC_HDR1[16];
251BYTE MIC_HDR2[16]; 239 BYTE MIC_HDR2[16];
252BYTE abyMIC[16]; 240 BYTE abyMIC[16];
253BYTE abyCTRPLD[16]; 241 BYTE abyCTRPLD[16];
254BYTE abyTmp[16]; 242 BYTE abyTmp[16];
255BYTE abyPlainText[16]; 243 BYTE abyPlainText[16];
256BYTE abyLastCipher[16]; 244 BYTE abyLastCipher[16];
257 245
258PS802_11Header pMACHeader = (PS802_11Header) pbyFrame; 246 PS802_11Header pMACHeader = (PS802_11Header) pbyFrame;
259PBYTE pbyIV; 247 PBYTE pbyIV;
260PBYTE pbyPayload; 248 PBYTE pbyPayload;
261WORD wHLen = 22; 249 WORD wHLen = 22;
262WORD wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;//8 is IV, 8 is MIC, 4 is CRC 250 /* 8 is IV, 8 is MIC, 4 is CRC */
263BOOL bA4 = FALSE; 251 WORD wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;
264BYTE byTmp; 252 BOOL bA4 = FALSE;
265WORD wCnt; 253 BYTE byTmp;
266int ii,jj,kk; 254 WORD wCnt;
267 255 int ii, jj, kk;
268 256
269 pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; 257 pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
270 if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && 258 if (WLAN_GET_FC_TODS(*(PWORD) pbyFrame) &&
271 WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { 259 WLAN_GET_FC_FROMDS(*(PWORD) pbyFrame)) {
272 bA4 = TRUE; 260 bA4 = TRUE;
273 pbyIV += 6; // 6 is 802.11 address4 261 pbyIV += 6; /* 6 is 802.11 address4 */
274 wHLen += 6; 262 wHLen += 6;
275 wPayloadSize -= 6; 263 wPayloadSize -= 6;
276 } 264 }
277 pbyPayload = pbyIV + 8; //IV-length 265 pbyPayload = pbyIV + 8; /* IV-length */
278 266
279 abyNonce[0] = 0x00; //now is 0, if Qos here will be priority 267 abyNonce[0] = 0x00; /* now is 0, if Qos here will be priority */
280 memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN); 268 memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
281 abyNonce[7] = pbyIV[7]; 269 abyNonce[7] = pbyIV[7];
282 abyNonce[8] = pbyIV[6]; 270 abyNonce[8] = pbyIV[6];
283 abyNonce[9] = pbyIV[5]; 271 abyNonce[9] = pbyIV[5];
284 abyNonce[10] = pbyIV[4]; 272 abyNonce[10] = pbyIV[4];
285 abyNonce[11] = pbyIV[1]; 273 abyNonce[11] = pbyIV[1];
286 abyNonce[12] = pbyIV[0]; 274 abyNonce[12] = pbyIV[0];
287 275
288 //MIC_IV 276 /* MIC_IV */
289 MIC_IV[0] = 0x59; 277 MIC_IV[0] = 0x59;
290 memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13); 278 memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13);
291 MIC_IV[14] = (BYTE)(wPayloadSize >> 8); 279 MIC_IV[14] = (BYTE)(wPayloadSize >> 8);
292 MIC_IV[15] = (BYTE)(wPayloadSize & 0xff); 280 MIC_IV[15] = (BYTE)(wPayloadSize & 0xff);
293 281
294 //MIC_HDR1 282 /* MIC_HDR1 */
295 MIC_HDR1[0] = (BYTE)(wHLen >> 8); 283 MIC_HDR1[0] = (BYTE)(wHLen >> 8);
296 MIC_HDR1[1] = (BYTE)(wHLen & 0xff); 284 MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
297 byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff); 285 byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
298 MIC_HDR1[2] = byTmp & 0x8f; 286 MIC_HDR1[2] = byTmp & 0x8f;
299 byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8); 287 byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
300 byTmp &= 0x87; 288 byTmp &= 0x87;
301 MIC_HDR1[3] = byTmp | 0x40; 289 MIC_HDR1[3] = byTmp | 0x40;
302 memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN); 290 memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
303 memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN); 291 memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
304 292
305 //MIC_HDR2 293 /* MIC_HDR2 */
306 memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN); 294 memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
307 byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff); 295 byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
308 MIC_HDR2[6] = byTmp & 0x0f; 296 MIC_HDR2[6] = byTmp & 0x0f;
309 MIC_HDR2[7] = 0; 297 MIC_HDR2[7] = 0;
310 298
311 if ( bA4 ) { 299 if (bA4) {
312 memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN); 300 memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
313 } else { 301 } else {
314 MIC_HDR2[8] = 0x00; 302 MIC_HDR2[8] = 0x00;
315 MIC_HDR2[9] = 0x00; 303 MIC_HDR2[9] = 0x00;
316 MIC_HDR2[10] = 0x00; 304 MIC_HDR2[10] = 0x00;
317 MIC_HDR2[11] = 0x00; 305 MIC_HDR2[11] = 0x00;
318 MIC_HDR2[12] = 0x00; 306 MIC_HDR2[12] = 0x00;
319 MIC_HDR2[13] = 0x00; 307 MIC_HDR2[13] = 0x00;
320 } 308 }
321 MIC_HDR2[14] = 0x00; 309 MIC_HDR2[14] = 0x00;
322 MIC_HDR2[15] = 0x00; 310 MIC_HDR2[15] = 0x00;
323 311
324 //CCMP 312 /* CCMP */
325 AESv128(pbyRxKey,MIC_IV,abyMIC); 313 AESv128(pbyRxKey, MIC_IV, abyMIC);
326 for ( kk=0; kk<16; kk++ ) { 314 for (kk = 0; kk < 16; kk++)
327 abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk]; 315 abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk];
328 } 316
329 AESv128(pbyRxKey,abyTmp,abyMIC); 317 AESv128(pbyRxKey, abyTmp, abyMIC);
330 for ( kk=0; kk<16; kk++ ) { 318 for (kk = 0; kk < 16; kk++)
331 abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk]; 319 abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
332 } 320
333 AESv128(pbyRxKey,abyTmp,abyMIC); 321 AESv128(pbyRxKey, abyTmp, abyMIC);
334 322
335 wCnt = 1; 323 wCnt = 1;
336 abyCTRPLD[0] = 0x01; 324 abyCTRPLD[0] = 0x01;
337 memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13); 325 memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
338 326
339 for(jj=wPayloadSize; jj>16; jj=jj-16) { 327 for (jj = wPayloadSize; jj > 16; jj = jj-16) {
340 328
341 abyCTRPLD[14] = (BYTE) (wCnt >> 8); 329 abyCTRPLD[14] = (BYTE) (wCnt >> 8);
342 abyCTRPLD[15] = (BYTE) (wCnt & 0xff); 330 abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
343 331
344 AESv128(pbyRxKey,abyCTRPLD,abyTmp); 332 AESv128(pbyRxKey, abyCTRPLD, abyTmp);
345 333
346 for ( kk=0; kk<16; kk++ ) { 334 for (kk = 0; kk < 16; kk++)
347 abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk]; 335 abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
348 } 336
349 for ( kk=0; kk<16; kk++ ) { 337 for (kk = 0; kk < 16; kk++)
350 abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk]; 338 abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
351 } 339
352 AESv128(pbyRxKey,abyTmp,abyMIC); 340 AESv128(pbyRxKey, abyTmp, abyMIC);
353 341
354 memcpy(pbyPayload, abyPlainText, 16); 342 memcpy(pbyPayload, abyPlainText, 16);
355 wCnt++; 343 wCnt++;
356 pbyPayload += 16; 344 pbyPayload += 16;
357 } //for wPayloadSize 345 } /* for wPayloadSize */
358 346
359 //last payload 347 /* last payload */
360 memcpy(&(abyLastCipher[0]), pbyPayload, jj); 348 memcpy(&(abyLastCipher[0]), pbyPayload, jj);
361 for ( ii=jj; ii<16; ii++ ) { 349 for (ii = jj; ii < 16; ii++)
362 abyLastCipher[ii] = 0x00; 350 abyLastCipher[ii] = 0x00;
363 } 351
364 352 abyCTRPLD[14] = (BYTE) (wCnt >> 8);
365 abyCTRPLD[14] = (BYTE) (wCnt >> 8); 353 abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
366 abyCTRPLD[15] = (BYTE) (wCnt & 0xff); 354
367 355 AESv128(pbyRxKey, abyCTRPLD, abyTmp);
368 AESv128(pbyRxKey,abyCTRPLD,abyTmp); 356 for (kk = 0; kk < 16; kk++)
369 for ( kk=0; kk<16; kk++ ) { 357 abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk];
370 abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk]; 358
371 } 359 memcpy(pbyPayload, abyPlainText, jj);
372 memcpy(pbyPayload, abyPlainText, jj); 360 pbyPayload += jj;
373 pbyPayload += jj; 361
374 362 /* for MIC calculation */
375 //for MIC calculation 363 for (ii = jj; ii < 16; ii++)
376 for ( ii=jj; ii<16; ii++ ) { 364 abyPlainText[ii] = 0x00;
377 abyPlainText[ii] = 0x00; 365 for (kk = 0; kk < 16; kk++)
378 } 366 abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
379 for ( kk=0; kk<16; kk++ ) { 367
380 abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk]; 368 AESv128(pbyRxKey, abyTmp, abyMIC);
381 } 369
382 AESv128(pbyRxKey,abyTmp,abyMIC); 370 /* => above is the calculated MIC */
383 371
384 //=>above is the calculate MIC 372 wCnt = 0;
385 //-------------------------------------------- 373 abyCTRPLD[14] = (BYTE) (wCnt >> 8);
386 374 abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
387 wCnt = 0; 375 AESv128(pbyRxKey, abyCTRPLD, abyTmp);
388 abyCTRPLD[14] = (BYTE) (wCnt >> 8); 376
389 abyCTRPLD[15] = (BYTE) (wCnt & 0xff); 377 for (kk = 0; kk < 8; kk++)
390 AESv128(pbyRxKey,abyCTRPLD,abyTmp); 378 abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
391 for ( kk=0; kk<8; kk++ ) { 379
392 abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk]; 380 /* => above is the packet dec-MIC */
393 }
394 //=>above is the dec-MIC from packet
395 //--------------------------------------------
396
397 if ( !memcmp(abyMIC,abyTmp,8) ) {
398 return TRUE;
399 } else {
400 return FALSE;
401 }
402 381
382 if (!memcmp(abyMIC, abyTmp, 8))
383 return TRUE;
384 else
385 return FALSE;
403} 386}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-21 20:24:01 -0400