Skip to content

L
linux
Commit 8ff23777 authored by Andres More's avatar Andres More Committed by Greg Kroah-Hartman
Browse files
Options

staging: vt6656: aes_ccmp.c: code cleanup, cleared checkpatch findings 

Resolved all warnings/errors but lines having over 80 characters.
Signed-off-by: default avatarAndres More <more.andres@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 5ae8cb95
Show whitespace changes
Inline Side-by-side
Showing with 272 additions and 289 deletions
drivers/staging/vt6656/aes_ccmp.c
View file @ 8ff23777
......@@ -16,7 +16,6 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: aes_ccmp.c
*
* Purpose: AES_CCMP decryption
......@@ -28,9 +27,7 @@
* Functions:
* AESbGenCCMP - Parsing RX-packet
*
*
* Revision History:
*
*/
#include "device.h"
......@@ -46,62 +43,61 @@
* SBOX Table
*/
BYTE 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,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
BYTE 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,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
BYTE 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,
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
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,
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
};
BYTE 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,
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
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,
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
};
/*--------------------- Static Functions --------------------------*/
......@@ -112,9 +108,9 @@ BYTE dot3_table[256] = {
void xor_128(BYTE *a, BYTE *b, BYTE *out)
{
PDWORD dwPtrA = (PDWORD) a;
PDWORD dwPtrB = (PDWORD) b;
PDWORD dwPtrOut =(PDWORD) out;
PDWORD dwPtrA = (PDWORD) a;
PDWORD dwPtrB = (PDWORD) b;
PDWORD dwPtrOut = (PDWORD) out;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
......@@ -125,17 +121,17 @@ PDWORD dwPtrOut =(PDWORD) out;
void xor_32(BYTE *a, BYTE *b, BYTE *out)
{
PDWORD dwPtrA = (PDWORD) a;
PDWORD dwPtrB = (PDWORD) b;
PDWORD dwPtrOut =(PDWORD) out;
PDWORD dwPtrA = (PDWORD) a;
PDWORD dwPtrB = (PDWORD) b;
PDWORD dwPtrOut = (PDWORD) out;
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
}
void AddRoundKey(BYTE *key, int round)
{
BYTE sbox_key[4];
BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
BYTE sbox_key[4];
BYTE 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]];
......@@ -152,12 +148,10 @@ BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x
void SubBytes(BYTE *in, BYTE *out)
{
int i;
int i;
for (i=0; i< 16; i++)
{
for (i = 0; i < 16; i++)
out[i] = sbox_table[in[i]];
}
}
void ShiftRows(BYTE *in, BYTE *out)
......@@ -189,33 +183,26 @@ 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)
{
int i;
int round;
BYTE TmpdataA[16];
BYTE TmpdataB[16];
BYTE abyRoundKey[16];
int i;
int round;
BYTE TmpdataA[16];
BYTE TmpdataB[16];
BYTE abyRoundKey[16];
for(i=0; i<16; i++)
for (i = 0; i < 16; i++)
abyRoundKey[i] = key[i];
for (round = 0; round < 11; round++)
{
if (round == 0)
{
for (round = 0; round < 11; round++) {
if (round == 0) {
xor_128(abyRoundKey, data, ciphertext);
AddRoundKey(abyRoundKey, round);
}
else if (round == 10)
{
} else if (round == 10) {
SubBytes(ciphertext, TmpdataA);
ShiftRows(TmpdataA, TmpdataB);
xor_128(TmpdataB, abyRoundKey, ciphertext);
}
else // round 1 ~ 9
{
} else { /* round 1 ~ 9 */
SubBytes(ciphertext, TmpdataA);
ShiftRows(TmpdataA, TmpdataB);
MixColumns(&TmpdataB[0], &TmpdataA[0]);
......@@ -243,40 +230,41 @@ BYTE abyRoundKey[16];
* Return Value: MIC compare result
*
*/
BOOL AESbGenCCMP(PBYTE pbyRxKey, PBYTE pbyFrame, WORD 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;
WORD wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;//8 is IV, 8 is MIC, 4 is CRC
BOOL bA4 = FALSE;
BYTE byTmp;
WORD wCnt;
int ii,jj,kk;
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;
/* 8 is IV, 8 is MIC, 4 is CRC */
WORD wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;
BOOL bA4 = FALSE;
BYTE byTmp;
WORD 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(*(PWORD) pbyFrame) &&
WLAN_GET_FC_FROMDS(*(PWORD) pbyFrame)) {
bA4 = TRUE;
pbyIV += 6; // 6 is 802.11 address4
pbyIV += 6; /* 6 is 802.11 address4 */
wHLen += 6;
wPayloadSize -= 6;
}
pbyPayload = pbyIV + 8; //IV-length
pbyPayload = pbyIV + 8; /* IV-length */
abyNonce[0] = 0x00; //now is 0, if Qos here will be priority
abyNonce[0] = 0x00; /* now is 0, if Qos here will be priority */
memcpy(&(abyNonce[1]), pMACHeader->abyAddr2, ETH_ALEN);
abyNonce[7] = pbyIV[7];
abyNonce[8] = pbyIV[6];
......@@ -285,13 +273,13 @@ int ii,jj,kk;
abyNonce[11] = pbyIV[1];
abyNonce[12] = pbyIV[0];
//MIC_IV
/* 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_HDR1
/* MIC_HDR1 */
MIC_HDR1[0] = (BYTE)(wHLen >> 8);
MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
......@@ -302,13 +290,13 @@ int ii,jj,kk;
memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
//MIC_HDR2
/* MIC_HDR2 */
memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
MIC_HDR2[6] = byTmp & 0x0f;
MIC_HDR2[7] = 0;
if ( bA4 ) {
if (bA4) {
memcpy(&(MIC_HDR2[8]), pMACHeader->abyAddr4, ETH_ALEN);
} else {
MIC_HDR2[8] = 0x00;
......@@ -321,83 +309,78 @@ int ii,jj,kk;
MIC_HDR2[14] = 0x00;
MIC_HDR2[15] = 0x00;
//CCMP
AESv128(pbyRxKey,MIC_IV,abyMIC);
for ( kk=0; kk<16; kk++ ) {
/* CCMP */
AESv128(pbyRxKey, MIC_IV, abyMIC);
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk];
}
AESv128(pbyRxKey,abyTmp,abyMIC);
for ( kk=0; kk<16; kk++ ) {
AESv128(pbyRxKey, abyTmp, abyMIC);
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
}
AESv128(pbyRxKey,abyTmp,abyMIC);
AESv128(pbyRxKey, abyTmp, abyMIC);
wCnt = 1;
abyCTRPLD[0] = 0x01;
memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
for(jj=wPayloadSize; jj>16; jj=jj-16) {
for (jj = wPayloadSize; jj > 16; jj = jj-16) {
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
AESv128(pbyRxKey,abyCTRPLD,abyTmp);
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for ( kk=0; kk<16; kk++ ) {
for (kk = 0; kk < 16; kk++)
abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
}
for ( kk=0; kk<16; kk++ ) {
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
}
AESv128(pbyRxKey,abyTmp,abyMIC);
AESv128(pbyRxKey, abyTmp, abyMIC);
memcpy(pbyPayload, abyPlainText, 16);
wCnt++;
pbyPayload += 16;
} //for wPayloadSize
} /* for wPayloadSize */
//last payload
/* last payload */
memcpy(&(abyLastCipher[0]), pbyPayload, jj);
for ( ii=jj; ii<16; ii++ ) {
for (ii = jj; ii < 16; ii++)
abyLastCipher[ii] = 0x00;
}
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
AESv128(pbyRxKey,abyCTRPLD,abyTmp);
for ( kk=0; kk<16; kk++ ) {
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 16; kk++)
abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk];
}
memcpy(pbyPayload, abyPlainText, jj);
pbyPayload += jj;
//for MIC calculation
for ( ii=jj; ii<16; ii++ ) {
/* for MIC calculation */
for (ii = jj; ii < 16; ii++)
abyPlainText[ii] = 0x00;
}
for ( kk=0; kk<16; kk++ ) {
for (kk = 0; kk < 16; kk++)
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
}
AESv128(pbyRxKey,abyTmp,abyMIC);
//=>above is the calculate MIC
//--------------------------------------------
AESv128(pbyRxKey, abyTmp, abyMIC);
/* => above is the calculated MIC */
wCnt = 0;
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
AESv128(pbyRxKey,abyCTRPLD,abyTmp);
for ( kk=0; kk<8; kk++ ) {
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
for (kk = 0; kk < 8; kk++)
abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
}
//=>above is the dec-MIC from packet
//--------------------------------------------
if ( !memcmp(abyMIC,abyTmp,8) ) {
/* => above is the packet dec-MIC */
if (!memcmp(abyMIC, abyTmp, 8))
return TRUE;
} else {
else
return FALSE;
}
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7