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>
This commit is contained in:
Andres More
Greg Kroah-Hartman
parent
5ae8cb9525
commit
8ff23777f0
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@ -16,7 +16,6 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*
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* File: aes_ccmp.c
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*
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* Purpose: AES_CCMP decryption
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@ -28,9 +27,7 @@
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* Functions:
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* AESbGenCCMP - Parsing RX-packet
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*
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*
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* Revision History:
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*
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*/
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#include "device.h"
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@ -46,62 +43,61 @@
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* SBOX Table
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*/
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BYTE sbox_table[256] =
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{
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0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
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0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
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0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
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0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
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0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
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0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
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0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
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0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
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0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
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0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
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0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
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0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
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0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
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0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
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0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
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0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
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BYTE sbox_table[256] = {
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0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
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0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
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0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
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0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
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0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
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0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
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0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
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0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
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0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
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0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
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0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
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0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
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0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
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0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
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0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
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0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
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};
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BYTE dot2_table[256] = {
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0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
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0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
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0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
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0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
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0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
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0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
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0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
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0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
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0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
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0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
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0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
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0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
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0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
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0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
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0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
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0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
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0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
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0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
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0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
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0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
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0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
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0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
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0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
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0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
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0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
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0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
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0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
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0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
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0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
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0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
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0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
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0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
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};
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BYTE dot3_table[256] = {
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0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
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0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
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0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
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0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
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0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
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0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
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0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
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0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
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0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
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0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
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0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
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0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
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0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
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0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
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0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
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0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
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0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
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0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
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0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
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0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
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0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
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0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
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0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
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0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
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0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
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0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
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0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
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0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
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0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
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0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
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0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
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0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
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};
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/*--------------------- Static Functions --------------------------*/
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@ -112,120 +108,111 @@ BYTE dot3_table[256] = {
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void xor_128(BYTE *a, BYTE *b, BYTE *out)
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{
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PDWORD dwPtrA = (PDWORD) a;
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PDWORD dwPtrB = (PDWORD) b;
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PDWORD dwPtrOut =(PDWORD) out;
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PDWORD dwPtrA = (PDWORD) a;
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PDWORD dwPtrB = (PDWORD) b;
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PDWORD dwPtrOut = (PDWORD) out;
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|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
(*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
|
||||
}
|
||||
|
||||
|
||||
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++);
|
||||
(*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]];
|
||||
sbox_key[2] = sbox_table[key[15]];
|
||||
sbox_key[3] = sbox_table[key[12]];
|
||||
sbox_key[0] = sbox_table[key[13]];
|
||||
sbox_key[1] = sbox_table[key[14]];
|
||||
sbox_key[2] = sbox_table[key[15]];
|
||||
sbox_key[3] = sbox_table[key[12]];
|
||||
|
||||
key[0] = key[0] ^ rcon_table[round];
|
||||
xor_32(&key[0], sbox_key, &key[0]);
|
||||
key[0] = key[0] ^ rcon_table[round];
|
||||
xor_32(&key[0], sbox_key, &key[0]);
|
||||
|
||||
xor_32(&key[4], &key[0], &key[4]);
|
||||
xor_32(&key[8], &key[4], &key[8]);
|
||||
xor_32(&key[12], &key[8], &key[12]);
|
||||
xor_32(&key[4], &key[0], &key[4]);
|
||||
xor_32(&key[8], &key[4], &key[8]);
|
||||
xor_32(&key[12], &key[8], &key[12]);
|
||||
}
|
||||
|
||||
void SubBytes(BYTE *in, BYTE *out)
|
||||
{
|
||||
int i;
|
||||
int i;
|
||||
|
||||
for (i=0; i< 16; i++)
|
||||
{
|
||||
out[i] = sbox_table[in[i]];
|
||||
}
|
||||
for (i = 0; i < 16; i++)
|
||||
out[i] = sbox_table[in[i]];
|
||||
}
|
||||
|
||||
void ShiftRows(BYTE *in, BYTE *out)
|
||||
{
|
||||
out[0] = in[0];
|
||||
out[1] = in[5];
|
||||
out[2] = in[10];
|
||||
out[3] = in[15];
|
||||
out[4] = in[4];
|
||||
out[5] = in[9];
|
||||
out[6] = in[14];
|
||||
out[7] = in[3];
|
||||
out[8] = in[8];
|
||||
out[9] = in[13];
|
||||
out[10] = in[2];
|
||||
out[11] = in[7];
|
||||
out[12] = in[12];
|
||||
out[13] = in[1];
|
||||
out[14] = in[6];
|
||||
out[15] = in[11];
|
||||
out[0] = in[0];
|
||||
out[1] = in[5];
|
||||
out[2] = in[10];
|
||||
out[3] = in[15];
|
||||
out[4] = in[4];
|
||||
out[5] = in[9];
|
||||
out[6] = in[14];
|
||||
out[7] = in[3];
|
||||
out[8] = in[8];
|
||||
out[9] = in[13];
|
||||
out[10] = in[2];
|
||||
out[11] = in[7];
|
||||
out[12] = in[12];
|
||||
out[13] = in[1];
|
||||
out[14] = in[6];
|
||||
out[15] = in[11];
|
||||
}
|
||||
|
||||
void MixColumns(BYTE *in, BYTE *out)
|
||||
{
|
||||
|
||||
out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
|
||||
out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
|
||||
out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]];
|
||||
out[3] = dot3_table[in[0]] ^ in[1] ^ in[2] ^ dot2_table[in[3]];
|
||||
out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
|
||||
out[1] = in[0] ^ dot2_table[in[1]] ^ dot3_table[in[2]] ^ in[3];
|
||||
out[2] = in[0] ^ in[1] ^ dot2_table[in[2]] ^ dot3_table[in[3]];
|
||||
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++)
|
||||
abyRoundKey[i] = key[i];
|
||||
for (i = 0; i < 16; i++)
|
||||
abyRoundKey[i] = key[i];
|
||||
|
||||
for (round = 0; round < 11; round++)
|
||||
{
|
||||
if (round == 0)
|
||||
{
|
||||
xor_128(abyRoundKey, data, ciphertext);
|
||||
AddRoundKey(abyRoundKey, round);
|
||||
}
|
||||
else if (round == 10)
|
||||
{
|
||||
SubBytes(ciphertext, TmpdataA);
|
||||
ShiftRows(TmpdataA, TmpdataB);
|
||||
xor_128(TmpdataB, abyRoundKey, ciphertext);
|
||||
}
|
||||
else // round 1 ~ 9
|
||||
{
|
||||
SubBytes(ciphertext, TmpdataA);
|
||||
ShiftRows(TmpdataA, TmpdataB);
|
||||
MixColumns(&TmpdataB[0], &TmpdataA[0]);
|
||||
MixColumns(&TmpdataB[4], &TmpdataA[4]);
|
||||
MixColumns(&TmpdataB[8], &TmpdataA[8]);
|
||||
MixColumns(&TmpdataB[12], &TmpdataA[12]);
|
||||
xor_128(TmpdataA, abyRoundKey, ciphertext);
|
||||
AddRoundKey(abyRoundKey, round);
|
||||
}
|
||||
}
|
||||
for (round = 0; round < 11; round++) {
|
||||
if (round == 0) {
|
||||
xor_128(abyRoundKey, data, ciphertext);
|
||||
AddRoundKey(abyRoundKey, round);
|
||||
} else if (round == 10) {
|
||||
SubBytes(ciphertext, TmpdataA);
|
||||
ShiftRows(TmpdataA, TmpdataB);
|
||||
xor_128(TmpdataB, abyRoundKey, ciphertext);
|
||||
} else { /* round 1 ~ 9 */
|
||||
SubBytes(ciphertext, TmpdataA);
|
||||
ShiftRows(TmpdataA, TmpdataB);
|
||||
MixColumns(&TmpdataB[0], &TmpdataA[0]);
|
||||
MixColumns(&TmpdataB[4], &TmpdataA[4]);
|
||||
MixColumns(&TmpdataB[8], &TmpdataA[8]);
|
||||
MixColumns(&TmpdataB[12], &TmpdataA[12]);
|
||||
xor_128(TmpdataA, abyRoundKey, ciphertext);
|
||||
AddRoundKey(abyRoundKey, round);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -243,161 +230,157 @@ 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];
|
||||
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;
|
||||
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)) {
|
||||
bA4 = TRUE;
|
||||
pbyIV += 6; /* 6 is 802.11 address4 */
|
||||
wHLen += 6;
|
||||
wPayloadSize -= 6;
|
||||
}
|
||||
pbyPayload = pbyIV + 8; /* IV-length */
|
||||
|
||||
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
|
||||
if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
|
||||
WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
|
||||
bA4 = TRUE;
|
||||
pbyIV += 6; // 6 is 802.11 address4
|
||||
wHLen += 6;
|
||||
wPayloadSize -= 6;
|
||||
}
|
||||
pbyPayload = pbyIV + 8; //IV-length
|
||||
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];
|
||||
abyNonce[9] = pbyIV[5];
|
||||
abyNonce[10] = pbyIV[4];
|
||||
abyNonce[11] = pbyIV[1];
|
||||
abyNonce[12] = pbyIV[0];
|
||||
|
||||
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];
|
||||
abyNonce[9] = pbyIV[5];
|
||||
abyNonce[10] = pbyIV[4];
|
||||
abyNonce[11] = pbyIV[1];
|
||||
abyNonce[12] = pbyIV[0];
|
||||
/* 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
|
||||
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[0] = (BYTE)(wHLen >> 8);
|
||||
MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
|
||||
byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
|
||||
MIC_HDR1[2] = byTmp & 0x8f;
|
||||
byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
|
||||
byTmp &= 0x87;
|
||||
MIC_HDR1[3] = byTmp | 0x40;
|
||||
memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
|
||||
memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
|
||||
|
||||
//MIC_HDR1
|
||||
MIC_HDR1[0] = (BYTE)(wHLen >> 8);
|
||||
MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
|
||||
byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
|
||||
MIC_HDR1[2] = byTmp & 0x8f;
|
||||
byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
|
||||
byTmp &= 0x87;
|
||||
MIC_HDR1[3] = byTmp | 0x40;
|
||||
memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
|
||||
memcpy(&(MIC_HDR1[10]), pMACHeader->abyAddr2, ETH_ALEN);
|
||||
/* MIC_HDR2 */
|
||||
memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
|
||||
byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
|
||||
MIC_HDR2[6] = byTmp & 0x0f;
|
||||
MIC_HDR2[7] = 0;
|
||||
|
||||
//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;
|
||||
MIC_HDR2[9] = 0x00;
|
||||
MIC_HDR2[10] = 0x00;
|
||||
MIC_HDR2[11] = 0x00;
|
||||
MIC_HDR2[12] = 0x00;
|
||||
MIC_HDR2[13] = 0x00;
|
||||
}
|
||||
MIC_HDR2[14] = 0x00;
|
||||
MIC_HDR2[15] = 0x00;
|
||||
} else {
|
||||
MIC_HDR2[8] = 0x00;
|
||||
MIC_HDR2[9] = 0x00;
|
||||
MIC_HDR2[10] = 0x00;
|
||||
MIC_HDR2[11] = 0x00;
|
||||
MIC_HDR2[12] = 0x00;
|
||||
MIC_HDR2[13] = 0x00;
|
||||
}
|
||||
MIC_HDR2[14] = 0x00;
|
||||
MIC_HDR2[15] = 0x00;
|
||||
|
||||
//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++ ) {
|
||||
abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
|
||||
}
|
||||
AESv128(pbyRxKey,abyTmp,abyMIC);
|
||||
/* CCMP */
|
||||
AESv128(pbyRxKey, MIC_IV, abyMIC);
|
||||
for (kk = 0; kk < 16; kk++)
|
||||
abyTmp[kk] = MIC_HDR1[kk] ^ abyMIC[kk];
|
||||
|
||||
wCnt = 1;
|
||||
abyCTRPLD[0] = 0x01;
|
||||
memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
|
||||
AESv128(pbyRxKey, abyTmp, abyMIC);
|
||||
for (kk = 0; kk < 16; kk++)
|
||||
abyTmp[kk] = MIC_HDR2[kk] ^ abyMIC[kk];
|
||||
|
||||
for(jj=wPayloadSize; jj>16; jj=jj-16) {
|
||||
AESv128(pbyRxKey, abyTmp, abyMIC);
|
||||
|
||||
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
|
||||
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
|
||||
wCnt = 1;
|
||||
abyCTRPLD[0] = 0x01;
|
||||
memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13);
|
||||
|
||||
AESv128(pbyRxKey,abyCTRPLD,abyTmp);
|
||||
for (jj = wPayloadSize; jj > 16; jj = jj-16) {
|
||||
|
||||
for ( kk=0; kk<16; kk++ ) {
|
||||
abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
|
||||
}
|
||||
for ( kk=0; kk<16; kk++ ) {
|
||||
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
|
||||
}
|
||||
AESv128(pbyRxKey,abyTmp,abyMIC);
|
||||
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
|
||||
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
|
||||
|
||||
memcpy(pbyPayload, abyPlainText, 16);
|
||||
wCnt++;
|
||||
pbyPayload += 16;
|
||||
} //for wPayloadSize
|
||||
AESv128(pbyRxKey, abyCTRPLD, abyTmp);
|
||||
|
||||
//last payload
|
||||
memcpy(&(abyLastCipher[0]), pbyPayload, jj);
|
||||
for ( ii=jj; ii<16; ii++ ) {
|
||||
abyLastCipher[ii] = 0x00;
|
||||
}
|
||||
for (kk = 0; kk < 16; kk++)
|
||||
abyPlainText[kk] = abyTmp[kk] ^ pbyPayload[kk];
|
||||
|
||||
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
|
||||
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
|
||||
for (kk = 0; kk < 16; kk++)
|
||||
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
|
||||
|
||||
AESv128(pbyRxKey,abyCTRPLD,abyTmp);
|
||||
for ( kk=0; kk<16; kk++ ) {
|
||||
abyPlainText[kk] = abyTmp[kk] ^ abyLastCipher[kk];
|
||||
}
|
||||
memcpy(pbyPayload, abyPlainText, jj);
|
||||
pbyPayload += jj;
|
||||
AESv128(pbyRxKey, abyTmp, abyMIC);
|
||||
|
||||
//for MIC calculation
|
||||
for ( ii=jj; ii<16; ii++ ) {
|
||||
abyPlainText[ii] = 0x00;
|
||||
}
|
||||
for ( kk=0; kk<16; kk++ ) {
|
||||
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
|
||||
}
|
||||
AESv128(pbyRxKey,abyTmp,abyMIC);
|
||||
memcpy(pbyPayload, abyPlainText, 16);
|
||||
wCnt++;
|
||||
pbyPayload += 16;
|
||||
} /* for wPayloadSize */
|
||||
|
||||
//=>above is the calculate MIC
|
||||
//--------------------------------------------
|
||||
/* last payload */
|
||||
memcpy(&(abyLastCipher[0]), pbyPayload, jj);
|
||||
for (ii = jj; ii < 16; ii++)
|
||||
abyLastCipher[ii] = 0x00;
|
||||
|
||||
wCnt = 0;
|
||||
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
|
||||
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
|
||||
AESv128(pbyRxKey,abyCTRPLD,abyTmp);
|
||||
for ( kk=0; kk<8; kk++ ) {
|
||||
abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
|
||||
}
|
||||
//=>above is the dec-MIC from packet
|
||||
//--------------------------------------------
|
||||
abyCTRPLD[14] = (BYTE) (wCnt >> 8);
|
||||
abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
|
||||
|
||||
if ( !memcmp(abyMIC,abyTmp,8) ) {
|
||||
return TRUE;
|
||||
} else {
|
||||
return FALSE;
|
||||
}
|
||||
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++)
|
||||
abyPlainText[ii] = 0x00;
|
||||
for (kk = 0; kk < 16; kk++)
|
||||
abyTmp[kk] = abyMIC[kk] ^ abyPlainText[kk];
|
||||
|
||||
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++)
|
||||
abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
|
||||
|
||||
/* => above is the packet dec-MIC */
|
||||
|
||||
if (!memcmp(abyMIC, abyTmp, 8))
|
||||
return TRUE;
|
||||
else
|
||||
return FALSE;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue