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Introduce upgtools for sony nwz players

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This tool can unpack UPG archives for firmware updates.

Change-Id: I32f5f1a84759198c7af4a4ecfd7aa65eaeda567a
This commit is contained in:
Amaury Pouly 2012-11-03 02:16:01 +01:00
parent 8c1a9f5082
commit cb09e369fb
10 changed files with 1078 additions and 0 deletions
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67
utils/nwztools/upgtools/mg.cpp Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2012 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.
*
****************************************************************************/
#include "mg.h"
#include <crypto++/cryptlib.h>
#include <crypto++/modes.h>
#include <crypto++/des.h>
#include <crypto++/aes.h>
#include <stdio.h>
using namespace CryptoPP;
namespace
{
ECB_Mode< DES >::Decryption g_dec;
ECB_Mode< DES >::Encryption g_enc;
inline int dec_des_ecb(void *in, int size, void *out, uint8_t *key)
{
g_dec.SetKey(key, 8);
g_dec.ProcessData((byte*)out, (byte*)in, size);
return 0;
}
inline int enc_des_ecb(void *in, int size, void *out, uint8_t *key)
{
g_enc.SetKey(key, 8);
g_enc.ProcessData((byte*)out, (byte*)in, size);
return 0;
}
}
int mg_decrypt_fw(void *in, int size, void *out, uint8_t *key)
{
return dec_des_ecb(in, size, out, key);
}
int mg_encrypt_fw(void *in, int size, void *out, uint8_t *key)
{
return enc_des_ecb(in, size, out, key);
}
int mg_decrypt_pass(void *in, int size, void *out, uint8_t *key)
{
return dec_des_ecb(in, size, out, key);
}
int mg_encrypt_pass(void *in, int size, void *out, uint8_t *key)
{
return enc_des_ecb(in, size, out, key);
}