From 848f69eb19ddeffd6e2879108eb2604ec390a14e Mon Sep 17 00:00:00 2001 From: german77 Date: Sun, 13 Feb 2022 11:54:39 -0600 Subject: core: nfp: Implement amiibo encryption --- src/core/hle/service/nfp/nfp.h | 137 +++++------------------------------------ 1 file changed, 17 insertions(+), 120 deletions(-) (limited to 'src/core/hle/service/nfp/nfp.h') diff --git a/src/core/hle/service/nfp/nfp.h b/src/core/hle/service/nfp/nfp.h index 0fc808781..3410dcfb0 100644 --- a/src/core/hle/service/nfp/nfp.h +++ b/src/core/hle/service/nfp/nfp.h @@ -9,6 +9,7 @@ #include "common/common_funcs.h" #include "core/hle/service/kernel_helpers.h" #include "core/hle/service/mii/types.h" +#include "core/hle/service/nfp/amiibo_types.h" #include "core/hle/service/service.h" namespace Kernel { @@ -21,72 +22,6 @@ enum class NpadIdType : u32; } // namespace Core::HID namespace Service::NFP { - -enum class ServiceType : u32 { - User, - Debug, - System, -}; - -enum class State : u32 { - NonInitialized, - Initialized, -}; - -enum class DeviceState : u32 { - Initialized, - SearchingForTag, - TagFound, - TagRemoved, - TagMounted, - Unaviable, - Finalized, -}; - -enum class ModelType : u32 { - Amiibo, -}; - -enum class MountTarget : u32 { - Rom, - Ram, - All, -}; - -enum class AmiiboType : u8 { - Figure, - Card, - Yarn, -}; - -enum class AmiiboSeries : u8 { - SuperSmashBros, - SuperMario, - ChibiRobo, - YoshiWoollyWorld, - Splatoon, - AnimalCrossing, - EightBitMario, - Skylanders, - Unknown8, - TheLegendOfZelda, - ShovelKnight, - Unknown11, - Kiby, - Pokemon, - MarioSportsSuperstars, - MonsterHunter, - BoxBoy, - Pikmin, - FireEmblem, - Metroid, - Others, - MegaMan, - Diablo -}; - -using TagUuid = std::array; - struct TagInfo { TagUuid uuid; u8 uuid_length; @@ -114,10 +49,8 @@ struct ModelInfo { AmiiboType amiibo_type; u16 model_number; AmiiboSeries series; - u8 fixed; // Must be 02 - INSERT_PADDING_BYTES(0x4); // Unknown - INSERT_PADDING_BYTES(0x20); // Probably a SHA256-(HMAC?) hash - INSERT_PADDING_BYTES(0x14); // SHA256-HMAC + u8 constant_value; // Must be 02 + INSERT_PADDING_BYTES(0x38); // Unknown }; static_assert(sizeof(ModelInfo) == 0x40, "ModelInfo is an invalid size"); @@ -126,7 +59,7 @@ struct RegisterInfo { u16 first_write_year; u8 first_write_month; u8 first_write_day; - std::array amiibo_name; + std::array amiibo_name; u8 unknown; INSERT_PADDING_BYTES(0x98); }; @@ -140,39 +73,9 @@ public: const char* name); ~Interface() override; - struct EncryptedAmiiboFile { - u16 crypto_init; // Must be A5 XX - u16 write_count; // Number of times the amiibo has been written? - INSERT_PADDING_BYTES(0x20); // System crypts - INSERT_PADDING_BYTES(0x20); // SHA256-(HMAC?) hash - ModelInfo model_info; // This struct is bigger than documentation - INSERT_PADDING_BYTES(0xC); // SHA256-HMAC - INSERT_PADDING_BYTES(0x114); // section 1 encrypted buffer - INSERT_PADDING_BYTES(0x54); // section 2 encrypted buffer - }; - static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size"); - - struct NTAG215Password { - u32 PWD; // Password to allow write access - u16 PACK; // Password acknowledge reply - u16 RFUI; // Reserved for future use - }; - static_assert(sizeof(NTAG215Password) == 0x8, "NTAG215Password is an invalid size"); - - struct NTAG215File { - TagUuid uuid; // Unique serial number - u16 lock_bytes; // Set defined pages as read only - u32 compability_container; // Defines available memory - EncryptedAmiiboFile user_memory; // Writable data - u32 dynamic_lock; // Dynamic lock - u32 CFG0; // Defines memory protected by password - u32 CFG1; // Defines number of verification attempts - NTAG215Password password; // Password data - }; - static_assert(sizeof(NTAG215File) == 0x21C, "NTAG215File is an invalid size"); - void CreateUserInterface(Kernel::HLERequestContext& ctx); - bool LoadAmiibo(const std::vector& buffer); + bool LoadAmiibo(const std::string& filename); + bool LoadAmiiboFile(const std::string& filename); void CloseAmiibo(); void Initialize(); @@ -182,6 +85,7 @@ public: Result StopDetection(); Result Mount(); Result Unmount(); + Result Flush(); Result GetTagInfo(TagInfo& tag_info) const; Result GetCommonInfo(CommonInfo& common_info) const; @@ -189,7 +93,7 @@ public: Result GetRegisterInfo(RegisterInfo& register_info) const; Result OpenApplicationArea(u32 access_id); - Result GetApplicationArea(std::vector& data) const; + Result GetApplicationArea(ApplicationArea& data) const; Result SetApplicationArea(const std::vector& data); Result CreateApplicationArea(u32 access_id, const std::vector& data); @@ -204,27 +108,19 @@ public: std::shared_ptr module; private: - /// Validates that the amiibo file is not corrupted - bool IsAmiiboValid() const; - - bool AmiiboApplicationDataExist(u32 access_id) const; - std::vector LoadAmiiboApplicationData(u32 access_id) const; - void SaveAmiiboApplicationData(u32 access_id, const std::vector& data) const; - - /// return password needed to allow write access to protected memory - u32 GetTagPassword(const TagUuid& uuid) const; - const Core::HID::NpadIdType npad_id; - DeviceState device_state{DeviceState::Unaviable}; - KernelHelpers::ServiceContext service_context; + bool is_data_decoded{}; + bool is_application_area_initialized{}; + s32 protocol; + std::string file_path{}; Kernel::KEvent* activate_event; Kernel::KEvent* deactivate_event; + DeviceState device_state{DeviceState::Unaviable}; + KernelHelpers::ServiceContext service_context; + NTAG215File tag_data{}; - s32 protocol; - bool is_application_area_initialized{}; - u32 application_area_id; - std::vector application_area_data; + EncryptedNTAG215File encrypted_tag_data{}; }; }; @@ -243,6 +139,7 @@ private: void OpenApplicationArea(Kernel::HLERequestContext& ctx); void GetApplicationArea(Kernel::HLERequestContext& ctx); void SetApplicationArea(Kernel::HLERequestContext& ctx); + void Flush(Kernel::HLERequestContext& ctx); void CreateApplicationArea(Kernel::HLERequestContext& ctx); void GetTagInfo(Kernel::HLERequestContext& ctx); void GetRegisterInfo(Kernel::HLERequestContext& ctx); -- cgit v1.2.3