From 8ff23777f02209b4c5405be292884990fac68604 Mon Sep 17 00:00:00 2001 From: Andres More Date: Sun, 9 May 2010 22:20:09 -0300 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/aes_ccmp.c | 561 +++++++++++++++--------------- 1 file changed, 272 insertions(+), 289 deletions(-) diff --git a/drivers/staging/vt6656/aes_ccmp.c b/drivers/staging/vt6656/aes_ccmp.c index a1beaa93b333..b3d367b9bdc6 100644 --- a/drivers/staging/vt6656/aes_ccmp.c +++ b/drivers/staging/vt6656/aes_ccmp.c @@ -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 --------------------------*/ @@ -112,120 +108,111 @@ 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; - - (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); - (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); - (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); - (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++); + PDWORD dwPtrA = (PDWORD) a; + PDWORD dwPtrB = (PDWORD) b; + PDWORD dwPtrOut = (PDWORD) out; + + (*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]; - - 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); - } - } + int i; + int round; + BYTE TmpdataA[16]; + BYTE TmpdataB[16]; + BYTE abyRoundKey[16]; + + 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); + } + } } @@ -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]; - -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; - - - 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]; - - //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_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 ) { + 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)) { + 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]; + + /* 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_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) { 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; - - //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); - - wCnt = 1; - abyCTRPLD[0] = 0x01; - memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13); - - for(jj=wPayloadSize; jj>16; jj=jj-16) { - - abyCTRPLD[14] = (BYTE) (wCnt >> 8); - abyCTRPLD[15] = (BYTE) (wCnt & 0xff); - - AESv128(pbyRxKey,abyCTRPLD,abyTmp); - - 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); - - memcpy(pbyPayload, abyPlainText, 16); - wCnt++; - pbyPayload += 16; - } //for wPayloadSize - - //last payload - memcpy(&(abyLastCipher[0]), pbyPayload, jj); - 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++ ) { - 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 calculate 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 dec-MIC from packet - //-------------------------------------------- - - if ( !memcmp(abyMIC,abyTmp,8) ) { - return TRUE; - } else { - return FALSE; - } + } 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); + + wCnt = 1; + abyCTRPLD[0] = 0x01; + memcpy(&(abyCTRPLD[1]), &(abyNonce[0]), 13); + + for (jj = wPayloadSize; jj > 16; jj = jj-16) { + + abyCTRPLD[14] = (BYTE) (wCnt >> 8); + abyCTRPLD[15] = (BYTE) (wCnt & 0xff); + + AESv128(pbyRxKey, abyCTRPLD, abyTmp); + + 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); + + memcpy(pbyPayload, abyPlainText, 16); + wCnt++; + pbyPayload += 16; + } /* for wPayloadSize */ + + /* last payload */ + memcpy(&(abyLastCipher[0]), pbyPayload, jj); + 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++) + 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; } -- 2.39.5