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Unified Diff: board/tegra2/common/crypto/aes_ref.c

Issue 4841001: Tegra2: implement Warmboot code and lp0_vec (Closed) Base URL: http://git.chromium.org/git/u-boot-next.git@chromeos-v2010.09
Patch Set: Created 10 years, 1 month ago
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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..f4cbc15d89e5c8c90d0cf0f1e712025a748632bd
--- /dev/null
+++ b/board/tegra2/common/crypto/aes_ref.c
@@ -0,0 +1,626 @@
+/*
+ * (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.
+
Tom Warren 2010/11/12 00:12:40 If Karl wrote this, his copyright should be includ
yelin 2010/11/15 23:21:21 Can not find any copyright from Karl on the web.
+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));
+}

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