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出力ファイルのSha256 -> AesCmacをファイル末尾に付加するように

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git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-05-23%20-%20ctr.7z%20+%20svn_v1.068.zip/ctr/svn/ctr_Repair@105 385bec56-5757-e545-9c3a-d8741f4650f1
This commit is contained in:
N2614 2011-03-10 02:28:03 +00:00
parent 295598e31e
commit 2a8dae8919
6 changed files with 197 additions and 48 deletions
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14
branches/work/SD_AesCmac/ConsoleBackup/Exporter.cpp
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@ -154,7 +154,7 @@ void WriteRegionData()
nn::cfg::CTR::CfgRegionCode region;
region = nn::cfg::CTR::GetRegion();
s_SdWriter.WriteBuf(common::REGION_DATA_PATHNAME, &region, sizeof(nn::cfg::CTR::CfgRegionCode));
s_SdWriter.WriteBufWithCmac(common::REGION_DATA_PATHNAME, &region, sizeof(nn::cfg::CTR::CfgRegionCode));
}
void WriteCountryLanguageData()
@ -172,7 +172,7 @@ void WriteCountryLanguageData()
// 言語設定
s_CountryLanguage.language = nn::cfg::CTR::GetLanguage();
s_SdWriter.WriteBuf(common::COUNTRY_SETTING_PATHNAME, &s_CountryLanguage, sizeof(s_CountryLanguage));
s_SdWriter.WriteBufWithCmac(common::COUNTRY_SETTING_PATHNAME, &s_CountryLanguage, sizeof(s_CountryLanguage));
}
}
@ -198,7 +198,7 @@ void WriteNorData()
result = nn::cfg::nor::CTR::ReadNtrWifiSetting(0, s_NtrNorData.NtrWiFiSetting, common::NTR_WIFI_SETTING_SIZE);
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
s_SdWriter.WriteBuf(common::NOR_PATHNAME, &s_NtrNorData, sizeof(common::NtrNorData));
s_SdWriter.WriteBufWithCmac(common::NOR_PATHNAME, &s_NtrNorData, sizeof(common::NtrNorData));
}
void WriteSerialNumber()
@ -209,7 +209,7 @@ void WriteSerialNumber()
size_t size;
GetSerialNumber(&serial, &size);
s_SdWriter.WriteBuf(common::SERIAL_PATHNAME, serial, size);
s_SdWriter.WriteBufWithCmac(common::SERIAL_PATHNAME, serial, size);
}
void WriteIvs()
@ -239,7 +239,7 @@ void WriteIvs()
swAesCtrContest.Initialize(iv, common::key, sizeof(common::key));
swAesCtrContest.Encrypt(enc, ivs, size);
s_SdWriter.WriteBuf(common::IVS_PATHNAME, enc, size);
s_SdWriter.WriteBufWithCmac(common::IVS_PATHNAME, enc, size);
common::HeapManager::GetHeap()->Free(enc);
}
@ -385,7 +385,7 @@ void WriteMcuRtcData()
NN_LOG("RTC = 20%02d/%02d/%02d %02d:%02d:%02d\n", rtc.m_Year, rtc.m_Month, rtc.m_Day, rtc.m_Hour, rtc.m_Minute, rtc.m_Second);
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
s_SdWriter.WriteBuf(common::MCU_RTC_PATHNAME, &rtc, sizeof(rtc));
s_SdWriter.WriteBufWithCmac(common::MCU_RTC_PATHNAME, &rtc, sizeof(rtc));
}
else
{
@ -474,7 +474,7 @@ void WriteVersionData()
common::VerDef versionData;
GetVersionData(&versionData);
s_SdWriter.WriteBuf(common::VERSION_DATA_PATHNAME, &versionData, sizeof(common::VerDef));
s_SdWriter.WriteBufWithCmac(common::VERSION_DATA_PATHNAME, &versionData, sizeof(common::VerDef));
}
void WritePlayHistory()

74
branches/work/SD_AesCmac/ConsoleRestore/Importer.cpp
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@ -206,6 +206,8 @@ bool CreateEmptyFile(const wchar_t* path)
u8* ReadSerialNumber()
{
nn::Result result;
if(s_ReadSerialNumber)
{
return s_SerialNo;
@ -213,11 +215,20 @@ u8* ReadSerialNumber()
COMMON_LOGGER("Read Serial Number in SD.\n");
size_t size;
size_t readSize;
common::SdReaderWriter sdReader;
sdReader.ReadBuf(common::SERIAL_PATHNAME, s_SerialNo, nn::cfg::CTR::CFG_SECURE_INFO_SERIAL_NO_LEN, &size);
s_ReadSerialNumber = true;
size_t bufSize = common::HeapManager::GetHeap()->GetAllocatableSize();
void* buf = common::HeapManager::GetHeap()->Allocate(bufSize);
if(buf != NULL)
{
result = sdReader.ReadBufWithCmac(common::SERIAL_PATHNAME, buf, bufSize, &readSize);
if(result.IsSuccess())
{
std::memcpy(s_SerialNo, buf, sizeof(s_SerialNo));
s_ReadSerialNumber = true;
}
common::HeapManager::GetHeap()->Free(buf);
}
return s_SerialNo;
}
@ -246,7 +257,7 @@ bool EqualsIVSFileandIVS()
{
common::SdReaderWriter sdReader;
result = sdReader.ReadBuf(common::IVS_PATHNAME, enc, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::IVS_PATHNAME, enc, bufSize, &readSize);
if(result.IsSuccess())
{
void *dec = common::HeapManager::GetHeap()->Allocate(readSize);
@ -305,20 +316,33 @@ bool EqualsRegionDataandRegion()
nn::cfg::CTR::CfgRegionCode sdRegion;
common::SdReaderWriter sdReader;
size_t dummy;
size_t readSize;
size_t bufSize = common::HeapManager::GetHeap()->GetAllocatableSize();
void* buf = common::HeapManager::GetHeap()->Allocate(bufSize);
if (buf != NULL)
{
result = sdReader.ReadBufWithCmac(common::REGION_DATA_PATHNAME, buf, bufSize, &readSize);
if (result.IsSuccess())
{
std::memcpy(&sdRegion, buf, sizeof(sdRegion));
s_CheckedEqualsRegionDataandRegion = true;
if (result.IsSuccess())
{
retval = (region == sdRegion);
}
else
{
retval = false;
}
}
else
{
retval = false;
}
common::HeapManager::GetHeap()->Free(buf);
}
result = sdReader.ReadBuf(common::REGION_DATA_PATHNAME, &sdRegion, sizeof(sdRegion), &dummy);
s_CheckedEqualsRegionDataandRegion = true;
if(result.IsSuccess())
{
retval = (region == sdRegion);
return retval;
}
else
{
retval = false;
return retval;
}
return retval;
}
void SetCountry(nn::cfg::CTR::CfgCountryCode countryCode)
@ -372,7 +396,7 @@ void ImportCountryLanguageData()
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::COUNTRY_SETTING_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::COUNTRY_SETTING_PATHNAME, buf, bufSize, &readSize);
if (result.IsSuccess())
{
// SDから読み出し成功
@ -468,7 +492,7 @@ void ImportMcuRtc()
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::MCU_RTC_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::MCU_RTC_PATHNAME, buf, bufSize, &readSize);
if (result.IsSuccess())
{
// mcuを使ってセットする
@ -590,7 +614,7 @@ void ImportIvs()
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::IVS_PATHNAME, enc, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::IVS_PATHNAME, enc, bufSize, &readSize);
if(result.IsSuccess())
{
// SDから読み出し成功
@ -715,7 +739,7 @@ void ImportNorData()
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::NOR_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::NOR_PATHNAME, buf, bufSize, &readSize);
if(result.IsSuccess())
{
// cfgを使ってセットする
@ -763,7 +787,7 @@ void ReadVersionData()
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::VERSION_DATA_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::VERSION_DATA_PATHNAME, buf, bufSize, &readSize);
if(result.IsSuccess())
{
// バージョン情報を保持する
@ -1379,7 +1403,7 @@ void ExportTouchPanelCfgData()
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
if (result.IsSuccess())
{
result = sdWriter.WriteBuf(common::TOUCH_PANEL_CALIBRATION_PATHNAME, &touchPanelCfgData, sizeof(touchPanelCfgData));
result = sdWriter.WriteBufWithCmac(common::TOUCH_PANEL_CALIBRATION_PATHNAME, &touchPanelCfgData, sizeof(touchPanelCfgData));
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
}
@ -1404,7 +1428,7 @@ bool ImportTouchPanelCfgData(nn::cfg::CTR::detail::TouchPanelCfgData* data)
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::TOUCH_PANEL_CALIBRATION_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::TOUCH_PANEL_CALIBRATION_PATHNAME, buf, bufSize, &readSize);
if(result.IsSuccess())
{
// SDから読み出し成功

10
branches/work/SD_AesCmac/common/Aes_define.h
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@ -16,13 +16,21 @@
#ifndef AES_DEFINE_H_
#define AES_DEFINE_H_
#include <nn/drivers/aes/CTR/ARM946ES/driverAes_Types.h>
namespace common
{
bit8 key[AES_KEY_SIZE] =
const bit8 key[AES_KEY_SIZE] =
{
0x81, 0x35, 0xc6, 0x54, 0x19, 0x1a, 0x47, 0x2a,
0x6b, 0x78, 0xbe, 0x25, 0x90, 0xf6, 0xee, 0x74
};
const bit8 cmacKey[AES_KEY_SIZE] =
{
0x87, 0xdd, 0xc6, 0xd6, 0xf2, 0xe0, 0x2c, 0xa6,
0x04, 0x21, 0x9c, 0x5e, 0x33, 0x8c, 0x3d, 0xaa
};
}
#endif /* AES_DEFINE_H_ */

9
branches/work/SD_AesCmac/common/PlayHistoryManager.cpp
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@ -52,7 +52,7 @@ void PlayHistoryManager::Export()
}
// SDに書き込む
result = sd.WriteBuf(common::PLAYHISTORY_COUNT_PATHNAME, reinterpret_cast<void*>(&historyNum),
result = sd.WriteBufWithCmac(common::PLAYHISTORY_COUNT_PATHNAME, reinterpret_cast<void*>(&historyNum),
sizeof(historyNum));
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
@ -69,7 +69,7 @@ void PlayHistoryManager::Export()
nn::pl::CTR::GetPlayHistory(pEvent, 0, historyNum);
// SDに書き込む
result = sd.WriteBuf(common::PLAYHISTORY_PATHNAME, reinterpret_cast<void*>(pEvent),
result = sd.WriteBufWithCmac(common::PLAYHISTORY_PATHNAME, reinterpret_cast<void*>(pEvent),
sizeof(nn::pl::CTR::PlayEvent) * historyNum);
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
@ -89,11 +89,12 @@ void PlayHistoryManager::GetPlayHistoryNums(size_t* nums)
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::PLAYHISTORY_COUNT_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::PLAYHISTORY_COUNT_PATHNAME, buf, bufSize, &readSize);
if (result.IsSuccess())
{
*nums = *reinterpret_cast<size_t*> (buf);
}
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
}
HeapManager::GetHeap()->Free(buf);
}
@ -124,7 +125,7 @@ void PlayHistoryManager::Import()
common::SdReaderWriter sdReader;
size_t readSize;
result = sdReader.ReadBuf(common::PLAYHISTORY_PATHNAME, buf, bufSize, &readSize);
result = sdReader.ReadBufWithCmac(common::PLAYHISTORY_PATHNAME, buf, bufSize, &readSize);
if(result.IsSuccess())
{
nn::pl::CTR::PlayEvent* pEvent = reinterpret_cast<nn::pl::CTR::PlayEvent*>(buf);

122
branches/work/SD_AesCmac/common/SdReaderWriter.cpp
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@ -16,10 +16,30 @@
#include "SdReaderWriter.h"
#include "SdMountManager.h"
#include "CommonLogger.h"
#include "Aes_define.h"
#include <nn/crypto/crypto_SwAesCtrContext.h>
#include <nn/crypto/crypto_Sha256.h>
#include <nn/crypto/crypto_SwAesCmac.h>
namespace common
{
bool Compare(const bit8* p0, const bit8* p1, size_t size)
{
s32 i;
bool result = true;
for (i = 0; i < size; ++i)
{
if (*(p0 + i) != *(p1 + i))
{
result = false;
}
}
return result;
} // Compare
nn::Result SdReaderWriter::Initialize()
{
nn::Result result;
@ -52,28 +72,23 @@ nn::Result SdReaderWriter::Finalize()
return result;
}
nn::Result SdReaderWriter::WriteBuf(const wchar_t* path, void* buf, size_t size)
nn::Result SdReaderWriter::WriteBufCore(const wchar_t* path, void* buf, size_t size)
{
NN_ASSERT(path != NULL);
NN_ASSERT(size > 0);
nn::Result result;
result = Initialize();
nn::Result result = Initialize();
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
result = file.TryInitialize(path, nn::fs::OPEN_MODE_WRITE | nn::fs::OPEN_MODE_CREATE);
if (result.IsSuccess())
{
s32 writeSize;
result = file.TryWrite(&writeSize, buf, size, true);
result = file.TryWrite(&writeSize, buf, size, false);
if (result.IsSuccess())
{
result = file.TryFlush();
if (result.IsFailure())
{
NN_LOG("SD TryFlush failed\n");
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
}
// 何もしない
}
else
{
@ -87,6 +102,18 @@ nn::Result SdReaderWriter::WriteBuf(const wchar_t* path, void* buf, size_t size)
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
}
return result;
}
nn::Result SdReaderWriter::WriteBuf(const wchar_t* path, void* buf, size_t size)
{
nn::Result result;
result = WriteBufCore(path, buf, size);
NN_UTIL_RETURN_IF_FAILED(result);
result = file.TryFlush();
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
file.Finalize();
result = Finalize();
@ -95,12 +122,44 @@ nn::Result SdReaderWriter::WriteBuf(const wchar_t* path, void* buf, size_t size)
return result;
}
nn::Result SdReaderWriter::ReadBuf(const wchar_t* path, void* buf, size_t size, size_t* totalSize)
nn::Result SdReaderWriter::WriteBufWithCmac(const wchar_t* path, void* buf, size_t size)
{
nn::Result result;
result = WriteBufCore(path, buf, size);
NN_UTIL_RETURN_IF_FAILED(result);
nn::crypto::Initialize();
bit8 sha256Hash[nn::crypto::Sha256Context::HASH_SIZE];
nn::crypto::CalculateSha256(sha256Hash, buf, size);
bit8 cmac[nn::crypto::Sha256Context::HASH_SIZE];
result = nn::crypto::CalculateAesCmacSw(cmac, sha256Hash, nn::crypto::Sha256Context::HASH_SIZE, common::cmacKey);
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
s32 writeSize;
result = file.TryWrite(&writeSize, cmac, sizeof(cmac), false);
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
result = file.TryFlush();
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
file.Finalize();
result = Finalize();
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
return result;
}
nn::Result SdReaderWriter::ReadBufCore(const wchar_t* path, void* buf, size_t size, size_t* totalSize)
{
NN_ASSERT(path != NULL);
NN_ASSERT(size > 0);
nn::Result result;
if(!m_IsInitialized)
{
Initialize();
@ -128,10 +187,51 @@ nn::Result SdReaderWriter::ReadBuf(const wchar_t* path, void* buf, size_t size,
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
}
return result;
}
nn::Result SdReaderWriter::ReadBuf(const wchar_t* path, void* buf, size_t size, size_t* totalSize)
{
nn::Result result;
result = ReadBufCore(path, buf, size, totalSize);
NN_UTIL_RETURN_IF_FAILED(result);
file.Finalize();
return result;
}
nn::Result SdReaderWriter::ReadBufWithCmac(const wchar_t* path, void* buf, size_t size, size_t* totalSize)
{
nn::Result result;
NN_ASSERT(size > nn::crypto::Sha256Context::HASH_SIZE);
result = ReadBufCore(path, buf, size, totalSize);
NN_UTIL_RETURN_IF_FAILED(result);
file.Finalize();
// CMACの検証を行う
nn::crypto::Initialize();
bit8 sha256Hash[nn::crypto::Sha256Context::HASH_SIZE];
nn::crypto::CalculateSha256(sha256Hash, buf, size - sizeof(sha256Hash));
bit8 cmac[nn::crypto::Sha256Context::HASH_SIZE];
result = nn::crypto::CalculateAesCmacSw(cmac, sha256Hash, nn::crypto::Sha256Context::HASH_SIZE, common::cmacKey);
COMMON_LOGGER_RESULT_IF_FAILED_WITH_LINE(result);
if(!Compare(reinterpret_cast<bit8*>(buf) + size - sizeof(sha256Hash), cmac, sizeof(cmac)))
{
// 無効なファイル
COMMON_LOGGER("Verification Failed\n");
return nn::fs::ResultVerificationFailed();
}
*totalSize -= nn::crypto::Sha256Context::HASH_SIZE;
return result;
}
void SdReaderWriter::CreateDirectory(const wchar_t* path)
{
nn::Result result;

16
branches/work/SD_AesCmac/common/SdReaderWriter.h
View File

@ -34,6 +34,12 @@ public :
//! @param[in] size 入力データのサイズ
nn::Result WriteBuf(const wchar_t* path, void* buf, size_t size);
//! @brief 渡されたバッファからsizeバイト指定されたパス名で書きこみます。CMACが付加されます。
//! @param[in] path sdmc:で始まる出力パス名。予めディレクトリを作っておく必要があります。
//! @param[in] buf 入力データへのポインタ
//! @param[in] size 入力データのサイズ
nn::Result WriteBufWithCmac(const wchar_t* path, void* buf, size_t size);
//! @brief 渡されたバッファへサイズ分指定されたパス名から読み込みます
//! @param[in] path sdmc:で始まる入力パス名
//! @param[in] buf 出力バッファへのポインタ
@ -41,11 +47,21 @@ public :
//! @param[out] totalSize 読み込んだデータのサイズ
nn::Result ReadBuf(const wchar_t* path, void* buf, size_t size, size_t* totalSize);
//! @brief 渡されたバッファへ(size - CMAC)バイト指定されたパス名から読み込みます
//! @param[in] path sdmc:で始まるCMAC付きの入力パス名
//! @param[in] buf 出力バッファへのポインタ
//! @param[in] size バッファサイズ
//! @param[out] totalSize 読み込んだデータのサイズ
nn::Result ReadBufWithCmac(const wchar_t* path, void* buf, size_t size, size_t* totalSize);
//! @brief 渡されたディレクトリ名のディレクトリを作成します
void CreateDirectory(const wchar_t* path);
private:
nn::Result WriteBufCore(const wchar_t*path, void* buf, size_t size);
nn::Result ReadBufCore(const wchar_t* path, void* buf, size_t size, size_t* totalSize);
//! @brief 初期化します。
nn::Result Initialize();