ppsspp/Core/HLE/scePauth.cpp

73 lines
2.2 KiB
C++

// Copyright (c) 2012- PPSSPP 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, version 2.0 or later versions.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "zlib.h"
#include <stdio.h>
#include "Core/MemMap.h"
#include "Core/System.h"
#include "Core/ELF/PrxDecrypter.h"
#include "Core/FileSystems/MetaFileSystem.h"
#include "Core/HLE/scePauth.h"
#include "Core/HLE/HLE.h"
#include "Core/HLE/FunctionWrappers.h"
#include "Common/File/FileUtil.h"
static int scePauth_F7AA47F6(u32 srcPtr, int srcLength, u32 destLengthPtr, u32 workArea)
{
auto src = Memory::GetPointerWrite(srcPtr);
auto key = Memory::GetPointer(workArea);
const auto decryptResult = pspDecryptPRX(src, src, srcLength, key);
if (decryptResult < 0)
{
ERROR_LOG(HLE, "Pauth decryption failed 0x%08X", decryptResult);
return decryptResult;
}
Memory::Write_U32(decryptResult, destLengthPtr);
return 0;
}
static int scePauth_98B83B5D(u32 srcPtr, int srcLength, u32 destLengthPtr, u32 workArea)
{
auto src = Memory::GetPointerWrite(srcPtr);
auto key = Memory::GetPointer(workArea);
const auto decryptResult = pspDecryptPRX(src, src, srcLength, key);
if (decryptResult < 0)
{
ERROR_LOG(HLE, "Pauth decryption failed 0x%08X", decryptResult);
return decryptResult;
}
Memory::Write_U32(decryptResult, destLengthPtr);
return 0;
}
const HLEFunction scePauth[] = {
{0XF7AA47F6, &WrapI_UIUU<scePauth_F7AA47F6>, "scePauth_F7AA47F6", 'i', "xixx"},
{0X98B83B5D, &WrapI_UIUU<scePauth_98B83B5D>, "scePauth_98B83B5D", 'i', "xixx"},
};
void Register_scePauth()
{
RegisterModule("scePauth", ARRAY_SIZE(scePauth), scePauth);
}