Implement support for parsing/interacting with NCAs. (#942)

* fs: implement support for interacting with ncas.

* spl: extend to use virtual keyslots

libraries/libstratosphere/include/stratosphere/spl/spl_api.hpp

@@ -15,19 +15,83 @@
  */
 
 #pragma once
-#include "spl_types.hpp"
+#include <stratosphere/spl/spl_types.hpp>
 
 namespace ams::spl {
 
-    HardwareType GetHardwareType();
-    MemoryArrangement GetMemoryArrangement();
-    bool IsDisabledProgramVerification();
-    bool IsDevelopmentHardware();
-    bool IsDevelopmentFunctionEnabled();
-    bool IsMariko();
-    bool IsRecoveryBoot();
+    void Initialize();
+    void InitializeForCrypto();
+    void InitializeForSsl();
+    void InitializeForEs();
+    void InitializeForFs();
+    void InitializeForManu();
 
-    Result GenerateAesKek(AccessKey *access_key, const void *key_source, size_t key_source_size, u32 generation, u32 option);
+    void Finalize();
+
+    Result AllocateAesKeySlot(s32 *out_slot);
+    Result DeallocateAesKeySlot(s32 slot);
+
+    Result GenerateAesKek(AccessKey *access_key, const void *key_source, size_t key_source_size, s32 generation, u32 option);
+    Result LoadAesKey(s32 slot, const AccessKey &access_key, const void *key_source, size_t key_source_size);
     Result GenerateAesKey(void *dst, size_t dst_size, const AccessKey &access_key, const void *key_source, size_t key_source_size);
+    Result GenerateSpecificAesKey(void *dst, size_t dst_size, const void *key_source, size_t key_source_size, s32 generation, u32 option);
+    Result ComputeCtr(void *dst, size_t dst_size, s32 slot, const void *src, size_t src_size, const void *iv, size_t iv_size);
+    Result DecryptAesKey(void *dst, size_t dst_size, const void *src, size_t src_size, s32 generation, u32 option);
+
+    Result GetConfig(u64 *out, ConfigItem item);
+    bool IsDevelopment();
+    MemoryArrangement GetMemoryArrangement();
+
+    inline bool GetConfigBool(ConfigItem item) {
+        u64 v;
+        R_ABORT_UNLESS(::ams::spl::GetConfig(std::addressof(v), item));
+        return v != 0;
+    }
+
+    inline HardwareType GetHardwareType() {
+        u64 v;
+        R_ABORT_UNLESS(::ams::spl::GetConfig(std::addressof(v), ::ams::spl::ConfigItem::HardwareType));
+        return static_cast<HardwareType>(v);
+    }
+
+    inline HardwareState GetHardwareState() {
+        u64 v;
+        R_ABORT_UNLESS(::ams::spl::GetConfig(std::addressof(v), ::ams::spl::ConfigItem::HardwareState));
+        return static_cast<HardwareState>(v);
+    }
+
+    inline u64 GetDeviceIdLow() {
+        u64 v;
+        R_ABORT_UNLESS(::ams::spl::GetConfig(std::addressof(v), ::ams::spl::ConfigItem::DeviceId));
+        return v;
+    }
+
+    inline bool IsRecoveryBoot() {
+        return ::ams::spl::GetConfigBool(::ams::spl::ConfigItem::IsRecoveryBoot);
+    }
+
+    inline bool IsDevelopmentFunctionEnabled() {
+        return ::ams::spl::GetConfigBool(::ams::spl::ConfigItem::IsDevelopmentFunctionEnabled);
+    }
+
+    inline bool IsDisabledProgramVerification() {
+        return ::ams::spl::GetConfigBool(::ams::spl::ConfigItem::DisableProgramVerification);
+    }
+
+    Result SetBootReason(BootReasonValue boot_reason);
+    Result GetBootReason(BootReasonValue *out);
+
+    inline BootReasonValue GetBootReason() {
+        BootReasonValue br;
+        R_ABORT_UNLESS(::ams::spl::GetBootReason(std::addressof(br)));
+        return br;
+    }
+
+    SocType GetSocType();
+
+    Result GetPackage2Hash(void *dst, size_t dst_size);
+    Result GenerateRandomBytes(void *out, size_t buffer_size);
+
+    Result LoadPreparedAesKey(s32 slot, const AccessKey &access_key);
 
 }

libraries/libstratosphere/include/stratosphere/spl/spl_types.hpp

@@ -112,6 +112,17 @@ namespace ams::spl {
         Hoag    = 2,
         Iowa    = 3,
         Calcio  = 4,
+        _Five_  = 5,
+    };
+
+    enum SocType {
+        SocType_Erista = 0,
+        SocType_Mariko = 1,
+    };
+
+    enum HardwareState {
+        HardwareState_Development = 0,
+        HardwareState_Production  = 1,
     };
 
     enum MemoryArrangement {
@@ -185,23 +196,23 @@ namespace ams::spl {
 
     enum class ConfigItem : u32 {
         /* Standard config items. */
-        DisableProgramVerification  = 1,
-        DramId                      = 2,
-        SecurityEngineIrqNumber     = 3,
-        Version                     = 4,
-        HardwareType                = 5,
-        IsRetail                    = 6,
-        IsRecoveryBoot              = 7,
-        DeviceId                    = 8,
-        BootReason                  = 9,
-        MemoryMode                  = 10,
-        IsDebugMode                 = 11,
-        KernelConfiguration         = 12,
-        IsChargerHiZModeEnabled     = 13,
-        IsQuest                     = 14,
-        RegulatorType               = 15,
-        DeviceUniqueKeyGeneration   = 16,
-        Package2Hash                = 17,
+        DisableProgramVerification   = 1,
+        DramId                       = 2,
+        SecurityEngineIrqNumber      = 3,
+        FuseVersion                  = 4,
+        HardwareType                 = 5,
+        HardwareState                = 6,
+        IsRecoveryBoot               = 7,
+        DeviceId                     = 8,
+        BootReason                   = 9,
+        MemoryMode                   = 10,
+        IsDevelopmentFunctionEnabled = 11,
+        KernelConfiguration          = 12,
+        IsChargerHiZModeEnabled      = 13,
+        IsQuest                      = 14,
+        RegulatorType                = 15,
+        DeviceUniqueKeyGeneration    = 16,
+        Package2Hash                 = 17,
 
         /* Extension config items for exosphere. */
         ExosphereApiVersion     = 65000,