Index: board/tegra2/common/crypto/aes_ref.c |
diff --git a/board/tegra2/common/crypto/aes_ref.c b/board/tegra2/common/crypto/aes_ref.c |
new file mode 100755 |
index 0000000000000000000000000000000000000000..9ee6be991dc0c0bffb62a808431093d1aabc55b5 |
--- /dev/null |
+++ b/board/tegra2/common/crypto/aes_ref.c |
@@ -0,0 +1,628 @@ |
+/* |
+ * (C) Copyright 2010 |
+ * NVIDIA Corporation <www.nvidia.com> |
+ * |
+ * See file CREDITS for list of people who contributed to this |
+ * project. |
+ * |
+ * This program is free software; you can redistribute it and/or |
+ * modify it under the terms of the GNU General Public License as |
+ * published by the Free Software Foundation; either version 2 of |
+ * the License, or (at your option) any later version. |
+ * |
+ * This program is distributed in the hope that it will be useful, |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+ * GNU General Public License for more details. |
+ * |
+ * You should have received a copy of the GNU General Public License |
+ * along with this program; if not, write to the Free Software |
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
+ * MA 02111-1307 USA |
+ */ |
+ |
+/* advanced encryption standard |
+ * author: karl malbrain, malbrain@yahoo.com |
+ */ |
+ |
+/* |
+This work, including the source code, documentation |
+and related data, is placed into the public domain. |
+ |
+The orginal author is Karl Malbrain. |
+ |
+THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY |
+OF ANY KIND, NOT EVEN THE IMPLIED WARRANTY OF |
+MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, |
+ASSUMES _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE |
+RESULTING FROM THE USE, MODIFICATION, OR |
+REDISTRIBUTION OF THIS SOFTWARE. |
+*/ |
+ |
+/* |
+ * Modifications by NVIDIA: |
+ * - Created nvaes_ref.h header. |
+ * - Replaced type definitions with NVIDIA standard types. |
+ * - Removed unneeded code that turns this source file into an executable. |
+ * - Created function prototypes for some of the functions. |
+ * - Reformatted the code to conform to coding conventions. |
+ */ |
+ |
+#include <common.h> |
+#include "nvaes_ref.h" |
+ |
+static void shift_rows (NvU8 *state); |
+static void inv_shift_rows (NvU8 *state); |
+static void mix_sub_columns (NvU8 *state); |
+static void inv_mix_sub_columns(NvU8 *state); |
+static void add_round_key (NvU32 *state, NvU32 *key); |
+ |
+static NvU8 s_Sbox[256] = |
+{ /* forward s-box */ |
+ 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 |
+}; |
+ |
+static NvU8 s_InvSbox[256] = |
+{ /* inverse s-box */ |
+ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, |
+ 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, |
+ 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, |
+ 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, |
+ 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, |
+ 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, |
+ 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, |
+ 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, |
+ 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, |
+ 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, |
+ 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, |
+ 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, |
+ 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, |
+ 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, |
+ 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, |
+ 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, |
+ 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, |
+ 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, |
+ 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, |
+ 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, |
+ 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, |
+ 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, |
+ 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, |
+ 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, |
+ 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, |
+ 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, |
+ 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, |
+ 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, |
+ 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, |
+ 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, |
+ 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, |
+ 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d |
+}; |
+ |
+/* combined Xtimes2[Sbox[]] */ |
+static NvU8 s_Xtime2Sbox[256] = |
+{ |
+ 0xc6, 0xf8, 0xee, 0xf6, 0xff, 0xd6, 0xde, 0x91, |
+ 0x60, 0x02, 0xce, 0x56, 0xe7, 0xb5, 0x4d, 0xec, |
+ 0x8f, 0x1f, 0x89, 0xfa, 0xef, 0xb2, 0x8e, 0xfb, |
+ 0x41, 0xb3, 0x5f, 0x45, 0x23, 0x53, 0xe4, 0x9b, |
+ 0x75, 0xe1, 0x3d, 0x4c, 0x6c, 0x7e, 0xf5, 0x83, |
+ 0x68, 0x51, 0xd1, 0xf9, 0xe2, 0xab, 0x62, 0x2a, |
+ 0x08, 0x95, 0x46, 0x9d, 0x30, 0x37, 0x0a, 0x2f, |
+ 0x0e, 0x24, 0x1b, 0xdf, 0xcd, 0x4e, 0x7f, 0xea, |
+ 0x12, 0x1d, 0x58, 0x34, 0x36, 0xdc, 0xb4, 0x5b, |
+ 0xa4, 0x76, 0xb7, 0x7d, 0x52, 0xdd, 0x5e, 0x13, |
+ 0xa6, 0xb9, 0x00, 0xc1, 0x40, 0xe3, 0x79, 0xb6, |
+ 0xd4, 0x8d, 0x67, 0x72, 0x94, 0x98, 0xb0, 0x85, |
+ 0xbb, 0xc5, 0x4f, 0xed, 0x86, 0x9a, 0x66, 0x11, |
+ 0x8a, 0xe9, 0x04, 0xfe, 0xa0, 0x78, 0x25, 0x4b, |
+ 0xa2, 0x5d, 0x80, 0x05, 0x3f, 0x21, 0x70, 0xf1, |
+ 0x63, 0x77, 0xaf, 0x42, 0x20, 0xe5, 0xfd, 0xbf, |
+ 0x81, 0x18, 0x26, 0xc3, 0xbe, 0x35, 0x88, 0x2e, |
+ 0x93, 0x55, 0xfc, 0x7a, 0xc8, 0xba, 0x32, 0xe6, |
+ 0xc0, 0x19, 0x9e, 0xa3, 0x44, 0x54, 0x3b, 0x0b, |
+ 0x8c, 0xc7, 0x6b, 0x28, 0xa7, 0xbc, 0x16, 0xad, |
+ 0xdb, 0x64, 0x74, 0x14, 0x92, 0x0c, 0x48, 0xb8, |
+ 0x9f, 0xbd, 0x43, 0xc4, 0x39, 0x31, 0xd3, 0xf2, |
+ 0xd5, 0x8b, 0x6e, 0xda, 0x01, 0xb1, 0x9c, 0x49, |
+ 0xd8, 0xac, 0xf3, 0xcf, 0xca, 0xf4, 0x47, 0x10, |
+ 0x6f, 0xf0, 0x4a, 0x5c, 0x38, 0x57, 0x73, 0x97, |
+ 0xcb, 0xa1, 0xe8, 0x3e, 0x96, 0x61, 0x0d, 0x0f, |
+ 0xe0, 0x7c, 0x71, 0xcc, 0x90, 0x06, 0xf7, 0x1c, |
+ 0xc2, 0x6a, 0xae, 0x69, 0x17, 0x99, 0x3a, 0x27, |
+ 0xd9, 0xeb, 0x2b, 0x22, 0xd2, 0xa9, 0x07, 0x33, |
+ 0x2d, 0x3c, 0x15, 0xc9, 0x87, 0xaa, 0x50, 0xa5, |
+ 0x03, 0x59, 0x09, 0x1a, 0x65, 0xd7, 0x84, 0xd0, |
+ 0x82, 0x29, 0x5a, 0x1e, 0x7b, 0xa8, 0x6d, 0x2c |
+}; |
+ |
+/* combined Xtimes3[Sbox[]] */ |
+static NvU8 s_Xtime3Sbox[256] = |
+{ |
+ 0xa5, 0x84, 0x99, 0x8d, 0x0d, 0xbd, 0xb1, 0x54, |
+ 0x50, 0x03, 0xa9, 0x7d, 0x19, 0x62, 0xe6, 0x9a, |
+ 0x45, 0x9d, 0x40, 0x87, 0x15, 0xeb, 0xc9, 0x0b, |
+ 0xec, 0x67, 0xfd, 0xea, 0xbf, 0xf7, 0x96, 0x5b, |
+ 0xc2, 0x1c, 0xae, 0x6a, 0x5a, 0x41, 0x02, 0x4f, |
+ 0x5c, 0xf4, 0x34, 0x08, 0x93, 0x73, 0x53, 0x3f, |
+ 0x0c, 0x52, 0x65, 0x5e, 0x28, 0xa1, 0x0f, 0xb5, |
+ 0x09, 0x36, 0x9b, 0x3d, 0x26, 0x69, 0xcd, 0x9f, |
+ 0x1b, 0x9e, 0x74, 0x2e, 0x2d, 0xb2, 0xee, 0xfb, |
+ 0xf6, 0x4d, 0x61, 0xce, 0x7b, 0x3e, 0x71, 0x97, |
+ 0xf5, 0x68, 0x00, 0x2c, 0x60, 0x1f, 0xc8, 0xed, |
+ 0xbe, 0x46, 0xd9, 0x4b, 0xde, 0xd4, 0xe8, 0x4a, |
+ 0x6b, 0x2a, 0xe5, 0x16, 0xc5, 0xd7, 0x55, 0x94, |
+ 0xcf, 0x10, 0x06, 0x81, 0xf0, 0x44, 0xba, 0xe3, |
+ 0xf3, 0xfe, 0xc0, 0x8a, 0xad, 0xbc, 0x48, 0x04, |
+ 0xdf, 0xc1, 0x75, 0x63, 0x30, 0x1a, 0x0e, 0x6d, |
+ 0x4c, 0x14, 0x35, 0x2f, 0xe1, 0xa2, 0xcc, 0x39, |
+ 0x57, 0xf2, 0x82, 0x47, 0xac, 0xe7, 0x2b, 0x95, |
+ 0xa0, 0x98, 0xd1, 0x7f, 0x66, 0x7e, 0xab, 0x83, |
+ 0xca, 0x29, 0xd3, 0x3c, 0x79, 0xe2, 0x1d, 0x76, |
+ 0x3b, 0x56, 0x4e, 0x1e, 0xdb, 0x0a, 0x6c, 0xe4, |
+ 0x5d, 0x6e, 0xef, 0xa6, 0xa8, 0xa4, 0x37, 0x8b, |
+ 0x32, 0x43, 0x59, 0xb7, 0x8c, 0x64, 0xd2, 0xe0, |
+ 0xb4, 0xfa, 0x07, 0x25, 0xaf, 0x8e, 0xe9, 0x18, |
+ 0xd5, 0x88, 0x6f, 0x72, 0x24, 0xf1, 0xc7, 0x51, |
+ 0x23, 0x7c, 0x9c, 0x21, 0xdd, 0xdc, 0x86, 0x85, |
+ 0x90, 0x42, 0xc4, 0xaa, 0xd8, 0x05, 0x01, 0x12, |
+ 0xa3, 0x5f, 0xf9, 0xd0, 0x91, 0x58, 0x27, 0xb9, |
+ 0x38, 0x13, 0xb3, 0x33, 0xbb, 0x70, 0x89, 0xa7, |
+ 0xb6, 0x22, 0x92, 0x20, 0x49, 0xff, 0x78, 0x7a, |
+ 0x8f, 0xf8, 0x80, 0x17, 0xda, 0x31, 0xc6, 0xb8, |
+ 0xc3, 0xb0, 0x77, 0x11, 0xcb, 0xfc, 0xd6, 0x3a |
+}; |
+ |
+/* modular multiplication tables |
+ * based on: |
+ */ |
+ |
+static NvU8 s_Xtime9[256] = |
+{ |
+ 0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, |
+ 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77, |
+ 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, |
+ 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7, |
+ 0x3b, 0x32, 0x29, 0x20, 0x1f, 0x16, 0x0d, 0x04, |
+ 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c, |
+ 0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, |
+ 0xe3, 0xea, 0xf1, 0xf8, 0xc7, 0xce, 0xd5, 0xdc, |
+ 0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49, |
+ 0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01, |
+ 0xe6, 0xef, 0xf4, 0xfd, 0xc2, 0xcb, 0xd0, 0xd9, |
+ 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91, |
+ 0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, |
+ 0x05, 0x0c, 0x17, 0x1e, 0x21, 0x28, 0x33, 0x3a, |
+ 0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2, |
+ 0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa, |
+ 0xec, 0xe5, 0xfe, 0xf7, 0xc8, 0xc1, 0xda, 0xd3, |
+ 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b, |
+ 0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, |
+ 0x34, 0x3d, 0x26, 0x2f, 0x10, 0x19, 0x02, 0x0b, |
+ 0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8, |
+ 0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0, |
+ 0x47, 0x4e, 0x55, 0x5c, 0x63, 0x6a, 0x71, 0x78, |
+ 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30, |
+ 0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, |
+ 0xd2, 0xdb, 0xc0, 0xc9, 0xf6, 0xff, 0xe4, 0xed, |
+ 0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35, |
+ 0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d, |
+ 0xa1, 0xa8, 0xb3, 0xba, 0x85, 0x8c, 0x97, 0x9e, |
+ 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6, |
+ 0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, |
+ 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46 |
+}; |
+ |
+static NvU8 s_XtimeB[256] = |
+{ |
+ 0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, |
+ 0x58, 0x53, 0x4e, 0x45, 0x74, 0x7f, 0x62, 0x69, |
+ 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, |
+ 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, |
+ 0x7b, 0x70, 0x6d, 0x66, 0x57, 0x5c, 0x41, 0x4a, |
+ 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12, |
+ 0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, |
+ 0x93, 0x98, 0x85, 0x8e, 0xbf, 0xb4, 0xa9, 0xa2, |
+ 0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7, |
+ 0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f, |
+ 0x46, 0x4d, 0x50, 0x5b, 0x6a, 0x61, 0x7c, 0x77, |
+ 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f, |
+ 0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, |
+ 0xd5, 0xde, 0xc3, 0xc8, 0xf9, 0xf2, 0xef, 0xe4, |
+ 0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c, |
+ 0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54, |
+ 0xf7, 0xfc, 0xe1, 0xea, 0xdb, 0xd0, 0xcd, 0xc6, |
+ 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e, |
+ 0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, |
+ 0x1f, 0x14, 0x09, 0x02, 0x33, 0x38, 0x25, 0x2e, |
+ 0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd, |
+ 0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5, |
+ 0x3c, 0x37, 0x2a, 0x21, 0x10, 0x1b, 0x06, 0x0d, |
+ 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55, |
+ 0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, |
+ 0x59, 0x52, 0x4f, 0x44, 0x75, 0x7e, 0x63, 0x68, |
+ 0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80, |
+ 0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8, |
+ 0x7a, 0x71, 0x6c, 0x67, 0x56, 0x5d, 0x40, 0x4b, |
+ 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13, |
+ 0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, |
+ 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3 |
+}; |
+ |
+static NvU8 s_XtimeD[256] = |
+{ |
+ 0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, |
+ 0x68, 0x65, 0x72, 0x7f, 0x5c, 0x51, 0x46, 0x4b, |
+ 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, |
+ 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, |
+ 0xbb, 0xb6, 0xa1, 0xac, 0x8f, 0x82, 0x95, 0x98, |
+ 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0, |
+ 0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, |
+ 0x03, 0x0e, 0x19, 0x14, 0x37, 0x3a, 0x2d, 0x20, |
+ 0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e, |
+ 0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26, |
+ 0xbd, 0xb0, 0xa7, 0xaa, 0x89, 0x84, 0x93, 0x9e, |
+ 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6, |
+ 0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, |
+ 0xbe, 0xb3, 0xa4, 0xa9, 0x8a, 0x87, 0x90, 0x9d, |
+ 0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25, |
+ 0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d, |
+ 0xda, 0xd7, 0xc0, 0xcd, 0xee, 0xe3, 0xf4, 0xf9, |
+ 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91, |
+ 0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, |
+ 0x62, 0x6f, 0x78, 0x75, 0x56, 0x5b, 0x4c, 0x41, |
+ 0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42, |
+ 0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a, |
+ 0xb1, 0xbc, 0xab, 0xa6, 0x85, 0x88, 0x9f, 0x92, |
+ 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa, |
+ 0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, |
+ 0xdf, 0xd2, 0xc5, 0xc8, 0xeb, 0xe6, 0xf1, 0xfc, |
+ 0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44, |
+ 0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c, |
+ 0x0c, 0x01, 0x16, 0x1b, 0x38, 0x35, 0x22, 0x2f, |
+ 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47, |
+ 0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, |
+ 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97 |
+}; |
+ |
+static NvU8 s_XtimeE[256] = |
+{ |
+ 0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, |
+ 0x70, 0x7e, 0x6c, 0x62, 0x48, 0x46, 0x54, 0x5a, |
+ 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, |
+ 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, |
+ 0xdb, 0xd5, 0xc7, 0xc9, 0xe3, 0xed, 0xff, 0xf1, |
+ 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81, |
+ 0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, |
+ 0x4b, 0x45, 0x57, 0x59, 0x73, 0x7d, 0x6f, 0x61, |
+ 0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87, |
+ 0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7, |
+ 0x4d, 0x43, 0x51, 0x5f, 0x75, 0x7b, 0x69, 0x67, |
+ 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17, |
+ 0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, |
+ 0x06, 0x08, 0x1a, 0x14, 0x3e, 0x30, 0x22, 0x2c, |
+ 0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc, |
+ 0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc, |
+ 0x41, 0x4f, 0x5d, 0x53, 0x79, 0x77, 0x65, 0x6b, |
+ 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b, |
+ 0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, |
+ 0xd1, 0xdf, 0xcd, 0xc3, 0xe9, 0xe7, 0xf5, 0xfb, |
+ 0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0, |
+ 0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0, |
+ 0x7a, 0x74, 0x66, 0x68, 0x42, 0x4c, 0x5e, 0x50, |
+ 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20, |
+ 0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, |
+ 0x9c, 0x92, 0x80, 0x8e, 0xa4, 0xaa, 0xb8, 0xb6, |
+ 0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26, |
+ 0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56, |
+ 0x37, 0x39, 0x2b, 0x25, 0x0f, 0x01, 0x13, 0x1d, |
+ 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d, |
+ 0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, |
+ 0xa7, 0xa9, 0xbb, 0xb5, 0x9f, 0x91, 0x83, 0x8d |
+}; |
+ |
+/* exchanges columns in each of 4 rows |
+ * row0 - unchanged, row1- shifted left 1, |
+ * row2 - shifted left 2 and row3 - shifted left 3 |
+ */ |
+void |
+shift_rows(NvU8 *state) |
+{ |
+ NvU8 tmp; |
+ |
+ /* just substitute row 0 */ |
+ state[ 0] = s_Sbox[state[ 0]]; |
+ state[ 4] = s_Sbox[state[ 4]]; |
+ state[ 8] = s_Sbox[state[ 8]]; |
+ state[12] = s_Sbox[state[12]]; |
+ |
+ /* rotate row 1 */ |
+ tmp = s_Sbox[state[ 1]]; |
+ state[ 1] = s_Sbox[state[ 5]]; |
+ state[ 5] = s_Sbox[state[ 9]]; |
+ state[ 9] = s_Sbox[state[13]]; |
+ state[13] = tmp; |
+ |
+ /* rotate row 2 */ |
+ tmp = s_Sbox[state[ 2]]; |
+ state[ 2] = s_Sbox[state[10]]; |
+ state[10] = tmp; |
+ tmp = s_Sbox[state[ 6]]; |
+ state[ 6] = s_Sbox[state[14]]; |
+ state[14] = tmp; |
+ |
+ /* rotate row 3 */ |
+ tmp = s_Sbox[state[15]]; |
+ state[15] = s_Sbox[state[11]]; |
+ state[11] = s_Sbox[state[ 7]]; |
+ state[ 7] = s_Sbox[state[ 3]]; |
+ state[ 3] = tmp; |
+} |
+ |
+/* restores columns in each of 4 rows |
+ * row0 - unchanged, row1- shifted right 1, |
+ * row2 - shifted right 2 and row3 - shifted right 3 |
+ */ |
+void |
+inv_shift_rows(NvU8 *state) |
+{ |
+ NvU8 tmp; |
+ |
+ /* restore row 0 */ |
+ state[ 0] = s_InvSbox[state[ 0]]; |
+ state[ 4] = s_InvSbox[state[ 4]]; |
+ state[ 8] = s_InvSbox[state[ 8]]; |
+ state[12] = s_InvSbox[state[12]]; |
+ |
+ /* restore row 1 */ |
+ tmp = s_InvSbox[state[13]]; |
+ state[13] = s_InvSbox[state[ 9]]; |
+ state[ 9] = s_InvSbox[state[ 5]]; |
+ state[ 5] = s_InvSbox[state[ 1]]; |
+ state[ 1] = tmp; |
+ |
+ /* restore row 2 */ |
+ tmp = s_InvSbox[state[ 2]]; |
+ state[ 2] = s_InvSbox[state[10]]; |
+ state[10] = tmp; |
+ tmp = s_InvSbox[state[ 6]]; |
+ state[ 6] = s_InvSbox[state[14]]; |
+ state[14] = tmp; |
+ |
+ /* restore row 3 */ |
+ tmp = s_InvSbox[state[ 3]]; |
+ state[ 3] = s_InvSbox[state[ 7]]; |
+ state[ 7] = s_InvSbox[state[11]]; |
+ state[11] = s_InvSbox[state[15]]; |
+ state[15] = tmp; |
+} |
+ |
+/* recombine and mix each row in a column */ |
+void |
+mix_sub_columns(NvU8 *state) |
+{ |
+ NvU8 tmp[4 * NVAES_STATECOLS]; |
+ |
+ /* mixing column 0 */ |
+ tmp[ 0] = s_Xtime2Sbox[state[ 0]] ^ s_Xtime3Sbox[state[ 5]] ^ |
+ s_Sbox[state[10]] ^ s_Sbox[state[15]]; |
+ tmp[ 1] = s_Sbox[state[ 0]] ^ s_Xtime2Sbox[state[ 5]] ^ |
+ s_Xtime3Sbox[state[10]] ^ s_Sbox[state[15]]; |
+ tmp[ 2] = s_Sbox[state[ 0]] ^ s_Sbox[state[ 5]] ^ |
+ s_Xtime2Sbox[state[10]] ^ s_Xtime3Sbox[state[15]]; |
+ tmp[ 3] = s_Xtime3Sbox[state[ 0]] ^ s_Sbox[state[ 5]] ^ |
+ s_Sbox[state[10]] ^ s_Xtime2Sbox[state[15]]; |
+ |
+ /* mixing column 1 */ |
+ tmp[ 4] = s_Xtime2Sbox[state[ 4]] ^ s_Xtime3Sbox[state[ 9]] ^ |
+ s_Sbox[state[14]] ^ s_Sbox[state[ 3]]; |
+ tmp[ 5] = s_Sbox[state[ 4]] ^ s_Xtime2Sbox[state[ 9]] ^ |
+ s_Xtime3Sbox[state[14]] ^ s_Sbox[state[ 3]]; |
+ tmp[ 6] = s_Sbox[state[ 4]] ^ s_Sbox[state[ 9]] ^ |
+ s_Xtime2Sbox[state[14]] ^ s_Xtime3Sbox[state[ 3]]; |
+ tmp[ 7] = s_Xtime3Sbox[state[ 4]] ^ s_Sbox[state[ 9]] ^ |
+ s_Sbox[state[14]] ^ s_Xtime2Sbox[state[ 3]]; |
+ |
+ /* mixing column 2 */ |
+ tmp[ 8] = s_Xtime2Sbox[state[ 8]] ^ s_Xtime3Sbox[state[13]] ^ |
+ s_Sbox[state[ 2]] ^ s_Sbox[state[ 7]]; |
+ tmp[ 9] = s_Sbox[state[ 8]] ^ s_Xtime2Sbox[state[13]] ^ |
+ s_Xtime3Sbox[state[ 2]] ^ s_Sbox[state[ 7]]; |
+ tmp[10] = s_Sbox[state[ 8]] ^ s_Sbox[state[13]] ^ |
+ s_Xtime2Sbox[state[ 2]] ^ s_Xtime3Sbox[state[ 7]]; |
+ tmp[11] = s_Xtime3Sbox[state[ 8]] ^ s_Sbox[state[13]] ^ |
+ s_Sbox[state[ 2]] ^ s_Xtime2Sbox[state[ 7]]; |
+ |
+ /* mixing column 3 */ |
+ tmp[12] = s_Xtime2Sbox[state[12]] ^ s_Xtime3Sbox[state[ 1]] ^ |
+ s_Sbox[state[ 6]] ^ s_Sbox[state[11]]; |
+ tmp[13] = s_Sbox[state[12]] ^ s_Xtime2Sbox[state[ 1]] ^ |
+ s_Xtime3Sbox[state[ 6]] ^ s_Sbox[state[11]]; |
+ tmp[14] = s_Sbox[state[12]] ^ s_Sbox[state[ 1]] ^ |
+ s_Xtime2Sbox[state[ 6]] ^ s_Xtime3Sbox[state[11]]; |
+ tmp[15] = s_Xtime3Sbox[state[12]] ^ s_Sbox[state[ 1]] ^ |
+ s_Sbox[state[ 6]] ^ s_Xtime2Sbox[state[11]]; |
+ |
+ memcpy (state, tmp, sizeof(tmp)); |
+} |
+ |
+/* restore and un-mix each row in a column */ |
+void inv_mix_sub_columns (NvU8 *state) |
+{ |
+ NvU8 tmp[4 * NVAES_STATECOLS]; |
+ int i; |
+ |
+ /* restore column 0 */ |
+ tmp[ 0] = s_XtimeE[state[ 0]] ^ s_XtimeB[state[ 1]] ^ |
+ s_XtimeD[state[ 2]] ^ s_Xtime9[state[ 3]]; |
+ tmp[ 5] = s_Xtime9[state[ 0]] ^ s_XtimeE[state[ 1]] ^ |
+ s_XtimeB[state[ 2]] ^ s_XtimeD[state[ 3]]; |
+ tmp[10] = s_XtimeD[state[ 0]] ^ s_Xtime9[state[ 1]] ^ |
+ s_XtimeE[state[ 2]] ^ s_XtimeB[state[ 3]]; |
+ tmp[15] = s_XtimeB[state[ 0]] ^ s_XtimeD[state[ 1]] ^ |
+ s_Xtime9[state[ 2]] ^ s_XtimeE[state[ 3]]; |
+ |
+ /* restore column 1 */ |
+ tmp[ 4] = s_XtimeE[state[ 4]] ^ s_XtimeB[state[ 5]] ^ |
+ s_XtimeD[state[ 6]] ^ s_Xtime9[state[ 7]]; |
+ tmp[ 9] = s_Xtime9[state[ 4]] ^ s_XtimeE[state[ 5]] ^ |
+ s_XtimeB[state[ 6]] ^ s_XtimeD[state[ 7]]; |
+ tmp[14] = s_XtimeD[state[ 4]] ^ s_Xtime9[state[ 5]] ^ |
+ s_XtimeE[state[ 6]] ^ s_XtimeB[state[ 7]]; |
+ tmp[ 3] = s_XtimeB[state[ 4]] ^ s_XtimeD[state[ 5]] ^ |
+ s_Xtime9[state[ 6]] ^ s_XtimeE[state[ 7]]; |
+ |
+ /* restore column 2 */ |
+ tmp[ 8] = s_XtimeE[state[ 8]] ^ s_XtimeB[state[ 9]] ^ |
+ s_XtimeD[state[10]] ^ s_Xtime9[state[11]]; |
+ tmp[13] = s_Xtime9[state[ 8]] ^ s_XtimeE[state[ 9]] ^ |
+ s_XtimeB[state[10]] ^ s_XtimeD[state[11]]; |
+ tmp[ 2] = s_XtimeD[state[ 8]] ^ s_Xtime9[state[ 9]] ^ |
+ s_XtimeE[state[10]] ^ s_XtimeB[state[11]]; |
+ tmp[ 7] = s_XtimeB[state[ 8]] ^ s_XtimeD[state[ 9]] ^ |
+ s_Xtime9[state[10]] ^ s_XtimeE[state[11]]; |
+ |
+ /* restore column 3 */ |
+ tmp[12] = s_XtimeE[state[12]] ^ s_XtimeB[state[13]] ^ |
+ s_XtimeD[state[14]] ^ s_Xtime9[state[15]]; |
+ tmp[ 1] = s_Xtime9[state[12]] ^ s_XtimeE[state[13]] ^ |
+ s_XtimeB[state[14]] ^ s_XtimeD[state[15]]; |
+ tmp[ 6] = s_XtimeD[state[12]] ^ s_Xtime9[state[13]] ^ |
+ s_XtimeE[state[14]] ^ s_XtimeB[state[15]]; |
+ tmp[11] = s_XtimeB[state[12]] ^ s_XtimeD[state[13]] ^ |
+ s_Xtime9[state[14]] ^ s_XtimeE[state[15]]; |
+ |
+ for (i=0; i < 4 * NVAES_STATECOLS; i++) |
+ state[i] = s_InvSbox[tmp[i]]; |
+} |
+ |
+/* encrypt/decrypt columns of the key |
+ * n.b. you can replace this with |
+ * byte-wise xor if you wish. |
+ */ |
+ |
+void |
+add_round_key(NvU32 *state, NvU32 *key) |
+{ |
+ int idx; |
+ |
+ for (idx = 0; idx < 4; idx++) |
+ state[idx] ^= key[idx]; |
+} |
+ |
+static NvU8 s_Rcon[11] = |
+{ |
+ 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36 |
+}; |
+ |
+/* produce NVAES_STATECOLS bytes for each round */ |
+void |
+nv_aes_expand_key(NvU8 *key, NvU8 *expkey) |
+{ |
+ NvU8 tmp0, tmp1, tmp2, tmp3, tmp4; |
+ NvU32 idx; |
+ |
+ memcpy(expkey, key, NVAES_KEYCOLS * 4); |
+ |
+ for (idx = NVAES_KEYCOLS; |
+ idx < NVAES_STATECOLS * (NVAES_ROUNDS + 1); |
+ idx++) { |
+ tmp0 = expkey[4*idx - 4]; |
+ tmp1 = expkey[4*idx - 3]; |
+ tmp2 = expkey[4*idx - 2]; |
+ tmp3 = expkey[4*idx - 1]; |
+ if (!(idx % NVAES_KEYCOLS)) { |
+ tmp4 = tmp3; |
+ tmp3 = s_Sbox[tmp0]; |
+ tmp0 = s_Sbox[tmp1] ^ s_Rcon[idx/NVAES_KEYCOLS]; |
+ tmp1 = s_Sbox[tmp2]; |
+ tmp2 = s_Sbox[tmp4]; |
+ } |
+ else if (NVAES_KEYCOLS > 6 && idx % NVAES_KEYCOLS == 4 ) { |
+ tmp0 = s_Sbox[tmp0]; |
+ tmp1 = s_Sbox[tmp1]; |
+ tmp2 = s_Sbox[tmp2]; |
+ tmp3 = s_Sbox[tmp3]; |
+ } |
+ |
+ expkey[4*idx+0] = expkey[4*idx - 4*NVAES_KEYCOLS + 0] ^ tmp0; |
+ expkey[4*idx+1] = expkey[4*idx - 4*NVAES_KEYCOLS + 1] ^ tmp1; |
+ expkey[4*idx+2] = expkey[4*idx - 4*NVAES_KEYCOLS + 2] ^ tmp2; |
+ expkey[4*idx+3] = expkey[4*idx - 4*NVAES_KEYCOLS + 3] ^ tmp3; |
+ } |
+} |
+ |
+/* encrypt one 128 bit block */ |
+void |
+nv_aes_encrypt(NvU8 *in, NvU8 *expkey, NvU8 *out) |
+{ |
+ NvU8 state[NVAES_STATECOLS * 4]; |
+ NvU32 round; |
+ |
+ memcpy(state, in, NVAES_STATECOLS * 4); |
+ add_round_key((NvU32 *)state, (NvU32 *)expkey); |
+ |
+ for (round = 1; round < NVAES_ROUNDS + 1; round++) { |
+ if( round < NVAES_ROUNDS ) |
+ mix_sub_columns (state); |
+ else |
+ shift_rows (state); |
+ |
+ add_round_key((NvU32 *)state, (NvU32 *)expkey + |
+ round * NVAES_STATECOLS); |
+ } |
+ |
+ memcpy(out, state, sizeof(state)); |
+} |
+ |
+void |
+nv_aes_decrypt(NvU8 *in, NvU8 *expkey, NvU8 *out) |
+{ |
+ NvU8 state[NVAES_STATECOLS * 4]; |
+ NvU32 round; |
+ |
+ memcpy(state, in, sizeof(state)); |
+ |
+ add_round_key((NvU32 *)state, |
+ (NvU32 *)expkey + NVAES_ROUNDS * NVAES_STATECOLS); |
+ inv_shift_rows(state); |
+ |
+ for (round = NVAES_ROUNDS; round--; ) { |
+ add_round_key((NvU32 *)state, (NvU32 *)expkey + |
+ round * NVAES_STATECOLS); |
+ if (round) |
+ inv_mix_sub_columns (state); |
+ } |
+ |
+ memcpy (out, state, sizeof(state)); |
+} |