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Diffstat (limited to 'utils/nwztools/upgtools/mg.cpp')
-rw-r--r-- | utils/nwztools/upgtools/mg.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/utils/nwztools/upgtools/mg.cpp b/utils/nwztools/upgtools/mg.cpp new file mode 100644 index 0000000000..8816259755 --- /dev/null +++ b/utils/nwztools/upgtools/mg.cpp | |||
@@ -0,0 +1,67 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2012 Amaury Pouly | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include "mg.h" | ||
22 | #include <crypto++/cryptlib.h> | ||
23 | #include <crypto++/modes.h> | ||
24 | #include <crypto++/des.h> | ||
25 | #include <crypto++/aes.h> | ||
26 | #include <stdio.h> | ||
27 | |||
28 | using namespace CryptoPP; | ||
29 | namespace | ||
30 | { | ||
31 | ECB_Mode< DES >::Decryption g_dec; | ||
32 | ECB_Mode< DES >::Encryption g_enc; | ||
33 | |||
34 | inline int dec_des_ecb(void *in, int size, void *out, uint8_t *key) | ||
35 | { | ||
36 | g_dec.SetKey(key, 8); | ||
37 | g_dec.ProcessData((byte*)out, (byte*)in, size); | ||
38 | return 0; | ||
39 | } | ||
40 | |||
41 | inline int enc_des_ecb(void *in, int size, void *out, uint8_t *key) | ||
42 | { | ||
43 | g_enc.SetKey(key, 8); | ||
44 | g_enc.ProcessData((byte*)out, (byte*)in, size); | ||
45 | return 0; | ||
46 | } | ||
47 | } | ||
48 | |||
49 | int mg_decrypt_fw(void *in, int size, void *out, uint8_t *key) | ||
50 | { | ||
51 | return dec_des_ecb(in, size, out, key); | ||
52 | } | ||
53 | |||
54 | int mg_encrypt_fw(void *in, int size, void *out, uint8_t *key) | ||
55 | { | ||
56 | return enc_des_ecb(in, size, out, key); | ||
57 | } | ||
58 | |||
59 | int mg_decrypt_pass(void *in, int size, void *out, uint8_t *key) | ||
60 | { | ||
61 | return dec_des_ecb(in, size, out, key); | ||
62 | } | ||
63 | |||
64 | int mg_encrypt_pass(void *in, int size, void *out, uint8_t *key) | ||
65 | { | ||
66 | return enc_des_ecb(in, size, out, key); | ||
67 | } | ||