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Merge pull request #9953 from german77/amiibo_crc

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service: nfp: Actually write correct crc
This commit is contained in:
bunnei 2023-03-17 22:13:57 -07:00 committed by GitHub
commit 8bcaa8c2e4
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7 changed files with 154 additions and 49 deletions
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35
src/core/hle/service/mii/mii_manager.cpp
View file

@ -510,7 +510,7 @@ CharInfo MiiManager::ConvertV3ToCharInfo(const Ver3StoreData& mii_v3) const {
return mii;
}
Ver3StoreData MiiManager::ConvertCharInfoToV3(const CharInfo& mii) const {
Ver3StoreData MiiManager::BuildFromStoreData(const CharInfo& mii) const {
Service::Mii::MiiManager manager;
Ver3StoreData mii_v3{};
@ -534,16 +534,13 @@ Ver3StoreData MiiManager::ConvertCharInfoToV3(const CharInfo& mii) const {
mii_v3.region_information.character_set.Assign(mii.font_region);
mii_v3.appearance_bits1.face_shape.Assign(mii.faceline_type);
mii_v3.appearance_bits1.skin_color.Assign(mii.faceline_color);
mii_v3.appearance_bits2.wrinkles.Assign(mii.faceline_wrinkle);
mii_v3.appearance_bits2.makeup.Assign(mii.faceline_make);
mii_v3.hair_style = mii.hair_type;
mii_v3.appearance_bits3.hair_color.Assign(mii.hair_color);
mii_v3.appearance_bits3.flip_hair.Assign(mii.hair_flip);
mii_v3.appearance_bits4.eye_type.Assign(mii.eye_type);
mii_v3.appearance_bits4.eye_color.Assign(mii.eye_color);
mii_v3.appearance_bits4.eye_scale.Assign(mii.eye_scale);
mii_v3.appearance_bits4.eye_vertical_stretch.Assign(mii.eye_aspect);
mii_v3.appearance_bits4.eye_rotation.Assign(mii.eye_rotate);
@ -551,7 +548,6 @@ Ver3StoreData MiiManager::ConvertCharInfoToV3(const CharInfo& mii) const {
mii_v3.appearance_bits4.eye_y_position.Assign(mii.eye_y);
mii_v3.appearance_bits5.eyebrow_style.Assign(mii.eyebrow_type);
mii_v3.appearance_bits5.eyebrow_color.Assign(mii.eyebrow_color);
mii_v3.appearance_bits5.eyebrow_scale.Assign(mii.eyebrow_scale);
mii_v3.appearance_bits5.eyebrow_yscale.Assign(mii.eyebrow_aspect);
mii_v3.appearance_bits5.eyebrow_rotation.Assign(mii.eyebrow_rotate);
@ -563,7 +559,6 @@ Ver3StoreData MiiManager::ConvertCharInfoToV3(const CharInfo& mii) const {
mii_v3.appearance_bits6.nose_y_position.Assign(mii.nose_y);
mii_v3.appearance_bits7.mouth_type.Assign(mii.mouth_type);
mii_v3.appearance_bits7.mouth_color.Assign(mii.mouth_color);
mii_v3.appearance_bits7.mouth_scale.Assign(mii.mouth_scale);
mii_v3.appearance_bits7.mouth_horizontal_stretch.Assign(mii.mouth_aspect);
mii_v3.appearance_bits8.mouth_y_position.Assign(mii.mouth_y);
@ -573,10 +568,7 @@ Ver3StoreData MiiManager::ConvertCharInfoToV3(const CharInfo& mii) const {
mii_v3.appearance_bits9.mustache_y_position.Assign(mii.mustache_y);
mii_v3.appearance_bits9.bear_type.Assign(mii.beard_type);
mii_v3.appearance_bits9.facial_hair_color.Assign(mii.beard_color);
mii_v3.appearance_bits10.glasses_type.Assign(mii.glasses_type);
mii_v3.appearance_bits10.glasses_color.Assign(mii.glasses_color);
mii_v3.appearance_bits10.glasses_scale.Assign(mii.glasses_scale);
mii_v3.appearance_bits10.glasses_y_position.Assign(mii.glasses_y);
@ -585,11 +577,36 @@ Ver3StoreData MiiManager::ConvertCharInfoToV3(const CharInfo& mii) const {
mii_v3.appearance_bits11.mole_x_position.Assign(mii.mole_x);
mii_v3.appearance_bits11.mole_y_position.Assign(mii.mole_y);
// These types are converted to V3 from a table
mii_v3.appearance_bits1.skin_color.Assign(Ver3FacelineColorTable[mii.faceline_color]);
mii_v3.appearance_bits3.hair_color.Assign(Ver3HairColorTable[mii.hair_color]);
mii_v3.appearance_bits4.eye_color.Assign(Ver3EyeColorTable[mii.eye_color]);
mii_v3.appearance_bits5.eyebrow_color.Assign(Ver3HairColorTable[mii.eyebrow_color]);
mii_v3.appearance_bits7.mouth_color.Assign(Ver3MouthlineColorTable[mii.mouth_color]);
mii_v3.appearance_bits9.facial_hair_color.Assign(Ver3HairColorTable[mii.beard_color]);
mii_v3.appearance_bits10.glasses_color.Assign(Ver3GlassColorTable[mii.glasses_color]);
mii_v3.appearance_bits10.glasses_type.Assign(Ver3GlassTypeTable[mii.glasses_type]);
mii_v3.crc = GenerateCrc16(&mii_v3, sizeof(Ver3StoreData) - sizeof(u16));
// TODO: Validate mii_v3 data
return mii_v3;
}
NfpStoreDataExtension MiiManager::SetFromStoreData(const CharInfo& mii) const {
return {
.faceline_color = static_cast<u8>(mii.faceline_color & 0xf),
.hair_color = static_cast<u8>(mii.hair_color & 0x7f),
.eye_color = static_cast<u8>(mii.eyebrow_color & 0x7f),
.eyebrow_color = static_cast<u8>(mii.eyebrow_color & 0x7f),
.mouth_color = static_cast<u8>(mii.mouth_color & 0x7f),
.beard_color = static_cast<u8>(mii.beard_color & 0x7f),
.glass_color = static_cast<u8>(mii.glasses_color & 0x7f),
.glass_type = static_cast<u8>(mii.glasses_type & 0x1f),
};
}
bool MiiManager::ValidateV3Info(const Ver3StoreData& mii_v3) const {
bool is_valid = mii_v3.version == 0 || mii_v3.version == 3;

7
src/core/hle/service/mii/mii_manager.h
View file

@ -23,11 +23,16 @@ public:
CharInfo BuildRandom(Age age, Gender gender, Race race);
CharInfo BuildDefault(std::size_t index);
CharInfo ConvertV3ToCharInfo(const Ver3StoreData& mii_v3) const;
Ver3StoreData ConvertCharInfoToV3(const CharInfo& mii) const;
bool ValidateV3Info(const Ver3StoreData& mii_v3) const;
ResultVal<std::vector<MiiInfoElement>> GetDefault(SourceFlag source_flag);
Result GetIndex(const CharInfo& info, u32& index);
// This is nn::mii::detail::Ver::StoreDataRaw::BuildFromStoreData
Ver3StoreData BuildFromStoreData(const CharInfo& mii) const;
// This is nn::mii::detail::NfpStoreDataExtentionRaw::SetFromStoreData
NfpStoreDataExtension SetFromStoreData(const CharInfo& mii) const;
private:
const Common::UUID user_id{};
u64 update_counter{};

60
src/core/hle/service/mii/types.h
View file

@ -365,10 +365,68 @@ struct Ver3StoreData {
} appearance_bits11;
std::array<u16_le, 0xA> author_name;
INSERT_PADDING_BYTES(0x4);
INSERT_PADDING_BYTES(0x2);
u16_be crc;
};
static_assert(sizeof(Ver3StoreData) == 0x60, "Ver3StoreData is an invalid size");
struct NfpStoreDataExtension {
u8 faceline_color;
u8 hair_color;
u8 eye_color;
u8 eyebrow_color;
u8 mouth_color;
u8 beard_color;
u8 glass_color;
u8 glass_type;
};
static_assert(sizeof(NfpStoreDataExtension) == 0x8, "NfpStoreDataExtension is an invalid size");
constexpr std::array<u8, 0x10> Ver3FacelineColorTable{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x0, 0x1, 0x5, 0x5,
};
constexpr std::array<u8, 100> Ver3HairColorTable{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x0, 0x4, 0x3, 0x5, 0x4, 0x4, 0x6, 0x2, 0x0,
0x6, 0x4, 0x3, 0x2, 0x2, 0x7, 0x3, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2,
0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x0, 0x0, 0x4,
0x4, 0x4, 0x4, 0x4, 0x4, 0x0, 0x0, 0x0, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x5, 0x5, 0x5,
0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x5, 0x7, 0x5, 0x7, 0x7, 0x7, 0x7, 0x7, 0x6, 0x7,
0x7, 0x7, 0x7, 0x7, 0x3, 0x7, 0x7, 0x7, 0x7, 0x7, 0x0, 0x4, 0x4, 0x4, 0x4,
};
constexpr std::array<u8, 100> Ver3EyeColorTable{
0x0, 0x2, 0x2, 0x2, 0x1, 0x3, 0x2, 0x3, 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x2, 0x2, 0x4,
0x2, 0x1, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2,
0x2, 0x2, 0x2, 0x2, 0x0, 0x0, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x1, 0x0, 0x4, 0x4,
0x4, 0x4, 0x4, 0x4, 0x4, 0x0, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5,
0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x2, 0x2,
0x3, 0x3, 0x3, 0x3, 0x2, 0x2, 0x2, 0x2, 0x2, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1,
};
constexpr std::array<u8, 100> Ver3MouthlineColorTable{
0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x3, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x1, 0x4,
0x4, 0x4, 0x0, 0x1, 0x2, 0x3, 0x4, 0x4, 0x2, 0x3, 0x3, 0x4, 0x4, 0x4, 0x4, 0x1, 0x4,
0x4, 0x2, 0x3, 0x3, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x3, 0x3, 0x3, 0x4, 0x4, 0x4,
0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x4, 0x4, 0x4, 0x4, 0x3, 0x3, 0x3, 0x3, 0x4, 0x4, 0x4,
0x4, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x4, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3,
0x3, 0x3, 0x3, 0x3, 0x4, 0x0, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, 0x3, 0x3,
};
constexpr std::array<u8, 100> Ver3GlassColorTable{
0x0, 0x1, 0x1, 0x1, 0x5, 0x1, 0x1, 0x4, 0x0, 0x5, 0x1, 0x1, 0x3, 0x5, 0x1, 0x2, 0x3,
0x4, 0x5, 0x4, 0x2, 0x2, 0x4, 0x4, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2, 0x2,
0x2, 0x2, 0x2, 0x2, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3,
0x3, 0x3, 0x3, 0x3, 0x3, 0x0, 0x0, 0x0, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x0, 0x5, 0x5,
0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5, 0x1, 0x4,
0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x4, 0x5, 0x5, 0x5, 0x5, 0x5, 0x5,
};
constexpr std::array<u8, 20> Ver3GlassTypeTable{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x1,
0x2, 0x1, 0x3, 0x7, 0x7, 0x6, 0x7, 0x8, 0x7, 0x7,
};
struct MiiStoreData {
using Name = std::array<char16_t, 10>;

6
src/core/hle/service/nfp/amiibo_crypto.cpp
View file

@ -88,8 +88,9 @@ NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
encoded_data.application_area_id = nfc_data.user_memory.application_area_id;
encoded_data.application_id_byte = nfc_data.user_memory.application_id_byte;
encoded_data.unknown = nfc_data.user_memory.unknown;
encoded_data.mii_extension = nfc_data.user_memory.mii_extension;
encoded_data.unknown2 = nfc_data.user_memory.unknown2;
encoded_data.application_area_crc = nfc_data.user_memory.application_area_crc;
encoded_data.register_info_crc = nfc_data.user_memory.register_info_crc;
encoded_data.application_area = nfc_data.user_memory.application_area;
encoded_data.hmac_tag = nfc_data.user_memory.hmac_tag;
encoded_data.lock_bytes = nfc_data.uuid.lock_bytes;
@ -122,8 +123,9 @@ EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data) {
nfc_data.user_memory.application_area_id = encoded_data.application_area_id;
nfc_data.user_memory.application_id_byte = encoded_data.application_id_byte;
nfc_data.user_memory.unknown = encoded_data.unknown;
nfc_data.user_memory.mii_extension = encoded_data.mii_extension;
nfc_data.user_memory.unknown2 = encoded_data.unknown2;
nfc_data.user_memory.application_area_crc = encoded_data.application_area_crc;
nfc_data.user_memory.register_info_crc = encoded_data.register_info_crc;
nfc_data.user_memory.application_area = encoded_data.application_area;
nfc_data.user_memory.hmac_tag = encoded_data.hmac_tag;
nfc_data.user_memory.model_info = encoded_data.model_info;

83
src/core/hle/service/nfp/nfp_device.cpp
View file

@ -3,6 +3,17 @@
#include <array>
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4701) // Potentially uninitialized local variable 'result' used
#endif
#include <boost/crc.hpp>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include "common/input.h"
#include "common/logging/log.h"
#include "common/string_util.h"
@ -448,7 +459,7 @@ Result NfpDevice::DeleteRegisterInfo() {
rng.GenerateRandomBytes(&tag_data.unknown, sizeof(u8));
rng.GenerateRandomBytes(&tag_data.unknown2[0], sizeof(u32));
rng.GenerateRandomBytes(&tag_data.unknown2[1], sizeof(u32));
rng.GenerateRandomBytes(&tag_data.application_area_crc, sizeof(u32));
rng.GenerateRandomBytes(&tag_data.register_info_crc, sizeof(u32));
rng.GenerateRandomBytes(&tag_data.settings.init_date, sizeof(u32));
tag_data.settings.settings.font_region.Assign(0);
tag_data.settings.settings.amiibo_initialized.Assign(0);
@ -471,6 +482,7 @@ Result NfpDevice::SetRegisterInfoPrivate(const AmiiboName& amiibo_name) {
}
Service::Mii::MiiManager manager;
const auto mii = manager.BuildDefault(0);
auto& settings = tag_data.settings;
if (tag_data.settings.settings.amiibo_initialized == 0) {
@ -479,16 +491,15 @@ Result NfpDevice::SetRegisterInfoPrivate(const AmiiboName& amiibo_name) {
}
SetAmiiboName(settings, amiibo_name);
tag_data.owner_mii = manager.ConvertCharInfoToV3(manager.BuildDefault(0));
tag_data.owner_mii = manager.BuildFromStoreData(mii);
tag_data.mii_extension = manager.SetFromStoreData(mii);
tag_data.unknown = 0;
tag_data.unknown2[6] = 0;
tag_data.unknown2 = {};
settings.country_code_id = 0;
settings.settings.font_region.Assign(0);
settings.settings.amiibo_initialized.Assign(1);
// TODO: this is a mix of tag.file input
std::array<u8, 0x7e> unknown_input{};
tag_data.application_area_crc = CalculateCrc(unknown_input);
UpdateRegisterInfoCrc();
return Flush();
}
@ -685,6 +696,11 @@ Result NfpDevice::RecreateApplicationArea(u32 access_id, std::span<const u8> dat
return WrongDeviceState;
}
if (is_app_area_open) {
LOG_ERROR(Service_NFP, "Application area is open");
return WrongDeviceState;
}
if (mount_target == MountTarget::None || mount_target == MountTarget::Rom) {
LOG_ERROR(Service_NFP, "Amiibo is read only", device_state);
return WrongDeviceState;
@ -715,10 +731,9 @@ Result NfpDevice::RecreateApplicationArea(u32 access_id, std::span<const u8> dat
tag_data.settings.settings.appdata_initialized.Assign(1);
tag_data.application_area_id = access_id;
tag_data.unknown = {};
tag_data.unknown2 = {};
// TODO: this is a mix of tag_data input
std::array<u8, 0x7e> unknown_input{};
tag_data.application_area_crc = CalculateCrc(unknown_input);
UpdateRegisterInfoCrc();
return Flush();
}
@ -752,6 +767,10 @@ Result NfpDevice::DeleteApplicationArea() {
rng.GenerateRandomBytes(&tag_data.application_id_byte, sizeof(u8));
tag_data.settings.settings.appdata_initialized.Assign(0);
tag_data.unknown = {};
tag_data.unknown2 = {};
is_app_area_open = false;
UpdateRegisterInfoCrc();
return Flush();
}
@ -835,32 +854,34 @@ void NfpDevice::UpdateSettingsCrc() {
// TODO: this reads data from a global, find what it is
std::array<u8, 8> unknown_input{};
settings.crc = CalculateCrc(unknown_input);
boost::crc_32_type crc;
crc.process_bytes(&unknown_input, sizeof(unknown_input));
settings.crc = crc.checksum();
}
u32 NfpDevice::CalculateCrc(std::span<const u8> data) {
constexpr u32 magic = 0xedb88320;
u32 crc = 0xffffffff;
void NfpDevice::UpdateRegisterInfoCrc() {
#pragma pack(push, 1)
struct CrcData {
Mii::Ver3StoreData mii;
u8 application_id_byte;
u8 unknown;
Mii::NfpStoreDataExtension mii_extension;
std::array<u32, 0x5> unknown2;
};
static_assert(sizeof(CrcData) == 0x7e, "CrcData is an invalid size");
#pragma pack(pop)
if (data.size() == 0) {
return 0;
}
const CrcData crc_data{
.mii = tag_data.owner_mii,
.application_id_byte = tag_data.application_id_byte,
.unknown = tag_data.unknown,
.mii_extension = tag_data.mii_extension,
.unknown2 = tag_data.unknown2,
};
for (u8 input : data) {
u32 temp = (crc ^ input) >> 1;
if (((crc ^ input) & 1) != 0) {
temp = temp ^ magic;
}
for (std::size_t step = 0; step < 7; ++step) {
crc = temp >> 1;
if ((temp & 1) != 0) {
crc = temp >> 1 ^ magic;
}
}
}
return ~crc;
boost::crc_32_type crc;
crc.process_bytes(&crc_data, sizeof(CrcData));
tag_data.register_info_crc = crc.checksum();
}
} // namespace Service::NFP

2
src/core/hle/service/nfp/nfp_device.h
View file

@ -80,7 +80,7 @@ private:
AmiiboDate GetAmiiboDate(s64 posix_time) const;
u64 RemoveVersionByte(u64 application_id) const;
void UpdateSettingsCrc();
u32 CalculateCrc(std::span<const u8>);
void UpdateRegisterInfoCrc();
bool is_controller_set{};
int callback_key;

10
src/core/hle/service/nfp/nfp_types.h
View file

@ -259,8 +259,9 @@ struct EncryptedAmiiboFile {
u32_be application_area_id; // Encrypted Game id
u8 application_id_byte;
u8 unknown;
std::array<u32, 0x7> unknown2;
u32_be application_area_crc;
Service::Mii::NfpStoreDataExtension mii_extension;
std::array<u32, 0x5> unknown2;
u32_be register_info_crc;
ApplicationArea application_area; // Encrypted Game data
};
static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size");
@ -280,8 +281,9 @@ struct NTAG215File {
u32_be application_area_id;
u8 application_id_byte;
u8 unknown;
std::array<u32, 0x7> unknown2;
u32_be application_area_crc;
Service::Mii::NfpStoreDataExtension mii_extension;
std::array<u32, 0x5> unknown2;
u32_be register_info_crc;
ApplicationArea application_area; // Encrypted Game data
HashData hmac_tag; // Hash
UniqueSerialNumber uid; // Unique serial number