2 files changed, 11 insertions, 20 deletions

diff --git a/src/core/hle/service/mii/mii_manager.cpp b/src/core/hle/service/mii/mii_manager.cpp
index ca4ed35bb..aa1a9a6c7 100644
--- a/src/core/hle/service/mii/mii_manager.cpp
+++ b/src/core/hle/service/mii/mii_manager.cpp
@@ -118,16 +118,6 @@ u16 GenerateCrc16(const void* data, std::size_t size) {
     return Common::swap16(static_cast<u16>(crc));
 }
 
-Common::UUID GenerateValidUUID() {
-    auto uuid{Common::UUID::Generate()};
-
-    // Bit 7 must be set, and bit 6 unset for the UUID to be valid
-    uuid.uuid[1] &= 0xFFFFFFFFFFFFFF3FULL;
-    uuid.uuid[1] |= 0x0000000000000080ULL;
-
-    return uuid;
-}
-
 template <typename T>
 T GetRandomValue(T min, T max) {
     std::random_device device;
@@ -141,7 +131,8 @@ T GetRandomValue(T max) {
     return GetRandomValue<T>({}, max);
 }
 
-MiiStoreData BuildRandomStoreData(Age age, Gender gender, Race race, const Common::UUID& user_id) {
+MiiStoreData BuildRandomStoreData(Age age, Gender gender, Race race,
+                                  const Common::NewUUID& user_id) {
     MiiStoreBitFields bf{};
 
     if (gender == Gender::All) {
@@ -320,7 +311,7 @@ MiiStoreData BuildRandomStoreData(Age age, Gender gender, Race race, const Commo
     return {DefaultMiiName, bf, user_id};
 }
 
-MiiStoreData BuildDefaultStoreData(const DefaultMii& info, const Common::UUID& user_id) {
+MiiStoreData BuildDefaultStoreData(const DefaultMii& info, const Common::NewUUID& user_id) {
     MiiStoreBitFields bf{};
 
     bf.font_region.Assign(info.font_region);
@@ -381,13 +372,13 @@ MiiStoreData BuildDefaultStoreData(const DefaultMii& info, const Common::UUID& u
 MiiStoreData::MiiStoreData() = default;
 
 MiiStoreData::MiiStoreData(const MiiStoreData::Name& name, const MiiStoreBitFields& bit_fields,
-                           const Common::UUID& user_id) {
+                           const Common::NewUUID& user_id) {
     data.name = name;
-    data.uuid = GenerateValidUUID();
+    data.uuid = Common::NewUUID::MakeRandomRFC4122V4();
 
     std::memcpy(data.data.data(), &bit_fields, sizeof(MiiStoreBitFields));
     data_crc = GenerateCrc16(data.data.data(), sizeof(data));
-    device_crc = GenerateCrc16(&user_id, sizeof(Common::UUID));
+    device_crc = GenerateCrc16(&user_id, sizeof(Common::NewUUID));
 }
 
 MiiManager::MiiManager() : user_id{Service::Account::ProfileManager().GetLastOpenedUser()} {}
diff --git a/src/core/hle/service/mii/mii_manager.h b/src/core/hle/service/mii/mii_manager.h
index 8e048fc56..580a64fc9 100644
--- a/src/core/hle/service/mii/mii_manager.h
+++ b/src/core/hle/service/mii/mii_manager.h
@@ -8,7 +8,7 @@
 #include <vector>
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
-#include "common/uuid.h"
+#include "common/new_uuid.h"
 #include "core/hle/result.h"
 #include "core/hle/service/mii/types.h"
 
@@ -29,7 +29,7 @@ enum class SourceFlag : u32 {
 DECLARE_ENUM_FLAG_OPERATORS(SourceFlag);
 
 struct MiiInfo {
-    Common::UUID uuid;
+    Common::NewUUID uuid;
     std::array<char16_t, 11> name;
     u8 font_region;
     u8 favorite_color;
@@ -192,7 +192,7 @@ struct MiiStoreData {
 
     MiiStoreData();
     MiiStoreData(const Name& name, const MiiStoreBitFields& bit_fields,
-                 const Common::UUID& user_id);
+                 const Common::NewUUID& user_id);
 
     // This corresponds to the above structure MiiStoreBitFields. I did it like this because the
     // BitField<> type makes this (and any thing that contains it) not trivially copyable, which is
@@ -202,7 +202,7 @@ struct MiiStoreData {
         static_assert(sizeof(MiiStoreBitFields) == sizeof(data), "data field has incorrect size.");
 
         Name name{};
-        Common::UUID uuid{Common::INVALID_UUID};
+        Common::NewUUID uuid{};
     } data;
 
     u16 data_crc{};
@@ -326,7 +326,7 @@ public:
     ResultCode GetIndex(const MiiInfo& info, u32& index);
 
 private:
-    const Common::UUID user_id{Common::INVALID_UUID};
+    const Common::NewUUID user_id{};
     u64 update_counter{};
 };