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authorMarcin Bukat <marcin.bukat@gmail.com>2013-12-11 15:42:25 +0100
committerMarcin Bukat <marcin.bukat@gmail.com>2013-12-11 15:42:25 +0100
commitb5ca0cffac1b27fd6662d52a909be7a2199398dc (patch)
tree6f986f33b037ff1e83e5e1dae6bac08504a0aa66 /utils/atj2137/adfuload/encrypt.c
parent01d8cc6f39406932fc971faa3e304692a8ecacf9 (diff)
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adfuload: utility to upload and exec binary using brom adfu mode of atj213x SoC
Change-Id: If52aa34124be2801c2ac316641ff9aa0bbd837c6
Diffstat (limited to 'utils/atj2137/adfuload/encrypt.c')
-rw-r--r--utils/atj2137/adfuload/encrypt.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/utils/atj2137/adfuload/encrypt.c b/utils/atj2137/adfuload/encrypt.c
new file mode 100644
index 0000000000..fee7a5a83d
--- /dev/null
+++ b/utils/atj2137/adfuload/encrypt.c
@@ -0,0 +1,96 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2013 by Amaury Pouly
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+const unsigned char xor_key[512] =
+{
+ 0x9b, 0x94, 0xf6, 0x9e, 0x2f, 0x0a, 0x40, 0xfd, 0x9a, 0x78, 0x2c, 0xdd, 0x4f, 0x96, 0x5e, 0xdd,
+ 0xc9, 0x01, 0xd3, 0x9d, 0x71, 0x8f, 0xda, 0xbb, 0xc1, 0xdf, 0x5f, 0x01, 0xaa, 0x35, 0x6f, 0xdc,
+ 0x33, 0x85, 0xf9, 0x10, 0x64, 0xce, 0xd2, 0xab, 0x62, 0xaa, 0xfc, 0x37, 0xdb, 0x22, 0x28, 0x34,
+ 0xa4, 0xc6, 0x79, 0xc6, 0xa1, 0xfe, 0x8b, 0xaa, 0xe6, 0x9b, 0xb4, 0x6e, 0x1b, 0xb1, 0x8a, 0xe2,
+ 0x25, 0xa9, 0xa5, 0xca, 0x03, 0x92, 0xa6, 0xd5, 0xf5, 0xb8, 0x77, 0xd3, 0xe4, 0x78, 0xd5, 0x22,
+ 0xfe, 0x52, 0x0c, 0x69, 0xa1, 0x40, 0x02, 0x89, 0x7a, 0x46, 0x77, 0xd1, 0xee, 0x4b, 0x8b, 0x72,
+ 0xb8, 0x27, 0x81, 0x32, 0xd4, 0xfd, 0xc2, 0x64, 0x9c, 0xcb, 0x25, 0x17, 0x32, 0x3f, 0x6d, 0x8e,
+ 0x1d, 0xcd, 0x14, 0xf0, 0x37, 0xfe, 0x47, 0x41, 0xc6, 0x0b, 0x31, 0x91, 0xe9, 0xaa, 0x7c, 0x73,
+ 0x36, 0x28, 0x15, 0xb1, 0xa1, 0xb8, 0x30, 0x3e, 0x9f, 0x0b, 0x8d, 0x6c, 0x8c, 0x20, 0xf9, 0x5f,
+ 0x4a, 0x5e, 0x17, 0xc2, 0x2c, 0xe0, 0x60, 0xb8, 0x12, 0x10, 0x69, 0x16, 0xd5, 0x77, 0x64, 0xcf,
+ 0xe5, 0xd3, 0xea, 0xb0, 0x30, 0x6a, 0xf8, 0x4d, 0x46, 0x9f, 0x37, 0x3b, 0xbb, 0xc3, 0x80, 0x7f,
+ 0xcd, 0x2d, 0x9f, 0x47, 0x47, 0x8d, 0x57, 0xd8, 0xa6, 0x7d, 0xa7, 0xc8, 0x79, 0x59, 0x4c, 0x6d,
+ 0x0e, 0x51, 0x87, 0x95, 0x4a, 0xbc, 0x20, 0x77, 0xd9, 0xaf, 0xab, 0xea, 0x88, 0xcf, 0x0a, 0xd5,
+ 0xee, 0x63, 0x33, 0xe7, 0x52, 0xae, 0x34, 0x88, 0xc9, 0x7b, 0x74, 0x0f, 0x9f, 0xf9, 0x3b, 0x35,
+ 0xf8, 0xc9, 0x74, 0xc9, 0xb7, 0x56, 0xb2, 0xa6, 0x9f, 0x65, 0x72, 0xe3, 0xb8, 0xed, 0xa0, 0x49,
+ 0xf5, 0x28, 0x5c, 0x0a, 0x13, 0xea, 0xfd, 0xaf, 0xc4, 0x32, 0x56, 0x53, 0x0d, 0xfe, 0x39, 0x0f,
+ 0xed, 0x64, 0x3a, 0xb5, 0x3f, 0xdf, 0xb5, 0xc1, 0xe1, 0xe7, 0x13, 0x8c, 0x16, 0xc4, 0x48, 0xc3,
+ 0x29, 0xa3, 0xa0, 0x18, 0x54, 0xea, 0xbc, 0x37, 0xdf, 0xc9, 0xd7, 0xfc, 0x8c, 0x11, 0x4f, 0xe3,
+ 0x33, 0x4a, 0x60, 0xc0, 0xaa, 0x00, 0x32, 0xb0, 0xe7, 0x5d, 0x16, 0x4f, 0x69, 0xfd, 0x0c, 0x2b,
+ 0xd4, 0xfd, 0x8a, 0x79, 0xdb, 0x55, 0x78, 0x07, 0x62, 0x68, 0x7f, 0x72, 0xe4, 0xda, 0x83, 0x99,
+ 0x13, 0xa2, 0x6e, 0x51, 0xbf, 0x60, 0x30, 0x5b, 0xf9, 0xf0, 0x04, 0x93, 0x78, 0x3f, 0xf4, 0x69,
+ 0x3c, 0x5d, 0x9f, 0x95, 0x70, 0xd4, 0x3a, 0x07, 0x95, 0x39, 0xd5, 0x1d, 0xdd, 0x00, 0xdf, 0x19,
+ 0xd5, 0x94, 0xed, 0xd2, 0x47, 0xa8, 0xb7, 0xaa, 0x5f, 0xc7, 0x63, 0xbf, 0x0c, 0x33, 0x07, 0x66,
+ 0xa9, 0xec, 0x69, 0xd5, 0xdd, 0x0f, 0x09, 0x1f, 0xc0, 0x61, 0x61, 0x66, 0x3f, 0x2c, 0x6b, 0x4b,
+ 0xc1, 0x4a, 0x64, 0xaa, 0x0b, 0x7f, 0xd0, 0x85, 0x60, 0x0c, 0xbe, 0x3d, 0xed, 0x80, 0x4d, 0x08,
+ 0x65, 0xd2, 0x6f, 0x9f, 0xe9, 0xad, 0xed, 0x37, 0x2a, 0x0b, 0xab, 0x00, 0xd1, 0x05, 0x2e, 0x18,
+ 0x1f, 0xe9, 0x5b, 0x41, 0xd0, 0x8e, 0x81, 0xd4, 0x46, 0xe4, 0x9a, 0x74, 0xe3, 0xcf, 0xce, 0x38,
+ 0xb7, 0x36, 0x39, 0x5c, 0x5b, 0x57, 0xee, 0x37, 0x1c, 0x5d, 0x3c, 0x6d, 0x5c, 0x34, 0x30, 0x66,
+ 0x36, 0x9c, 0x5a, 0xff, 0x61, 0x7c, 0xd4, 0x7f, 0x57, 0x79, 0x81, 0xcc, 0xb6, 0xc8, 0x93, 0xdf,
+ 0xe6, 0x40, 0x50, 0x75, 0xfc, 0xb4, 0x15, 0x07, 0xde, 0x7f, 0x9b, 0xfd, 0xa8, 0x60, 0x79, 0x1f,
+ 0x4f, 0x89, 0xea, 0x4c, 0x85, 0xf2, 0xd1, 0x6e, 0xdc, 0xf3, 0xfa, 0xad, 0x2d, 0x12, 0xa3, 0xe3,
+ 0x3b, 0x1a, 0x3b, 0x50, 0x94, 0x6d, 0x69, 0x90, 0xb8, 0x9a, 0x50, 0xc9, 0x7d, 0x32, 0x12, 0x29,
+};
+
+static void perm_it(unsigned char *data, int length)
+{
+ int i, j;
+ for(i = 0; (i + 12) < length; i += 12)
+ {
+ unsigned char perm[8];
+ perm[0] = data[i + 1];
+ perm[1] = data[i + 7];
+ perm[2] = data[i + 2];
+ perm[3] = data[i + 4];
+ perm[4] = data[i + 0];
+ perm[5] = data[i + 6];
+ perm[6] = data[i + 3];
+ perm[7] = data[i + 5];
+ for(j = 0; j < 8; j++)
+ data[i + j] = perm[j];
+ }
+}
+
+static void xor_it(unsigned char *data, int length)
+{
+ int i, j;
+ for(i = 0; i < length; i += 4)
+ {
+ unsigned char Ekey = xor_key[xor_key[data[i]] + 256];
+ for(j = 1; j < 4; j++)
+ data[i + j] ^= Ekey;
+ }
+}
+
+int encrypt(unsigned char *data, int length)
+{
+ if (length % 512)
+ return -1;
+
+ xor_it(data, length);
+ perm_it(data, length);
+
+ return 0;
+}