diff --git a/Source/Core/Core/IOS/DI/DI.cpp b/Source/Core/Core/IOS/DI/DI.cpp
index 0df9861054..4e3f258603 100644
--- a/Source/Core/Core/IOS/DI/DI.cpp
+++ b/Source/Core/Core/IOS/DI/DI.cpp
@@ -110,7 +110,7 @@ IPCCommandResult DI::IOCtlV(const IOCtlVRequest& request)
 
     // Read TMD to the buffer
     const IOS::ES::TMDReader tmd = DVDThread::GetTMD(partition);
-    const std::vector<u8> raw_tmd = tmd.GetRawTMD();
+    const std::vector<u8>& raw_tmd = tmd.GetBytes();
     Memory::CopyToEmu(request.io_vectors[0].address, raw_tmd.data(), raw_tmd.size());
     ES::DIVerify(tmd, DVDThread::GetTicket(partition));
 
diff --git a/Source/Core/Core/IOS/ES/ES.cpp b/Source/Core/Core/IOS/ES/ES.cpp
index 8dbe7337ab..629f093f23 100644
--- a/Source/Core/Core/IOS/ES/ES.cpp
+++ b/Source/Core/Core/IOS/ES/ES.cpp
@@ -610,7 +610,7 @@ s32 ES::DIVerify(const IOS::ES::TMDReader& tmd, const IOS::ES::TicketReader& tic
   if (!File::Exists(tmd_path))
   {
     File::IOFile tmd_file(tmd_path, "wb");
-    const std::vector<u8>& tmd_bytes = tmd.GetRawTMD();
+    const std::vector<u8>& tmd_bytes = tmd.GetBytes();
     if (!tmd_file.WriteBytes(tmd_bytes.data(), tmd_bytes.size()))
       ERROR_LOG(IOS_ES, "DIVerify failed to write disc TMD to NAND.");
   }
diff --git a/Source/Core/Core/IOS/ES/Formats.cpp b/Source/Core/Core/IOS/ES/Formats.cpp
index e68d28109f..0fcfa033d3 100644
--- a/Source/Core/Core/IOS/ES/Formats.cpp
+++ b/Source/Core/Core/IOS/ES/Formats.cpp
@@ -164,26 +164,19 @@ bool IsValidTMDSize(size_t size)
   return size <= 0x49e4;
 }
 
-TMDReader::TMDReader(const std::vector<u8>& bytes) : m_bytes(bytes)
+TMDReader::TMDReader(const std::vector<u8>& bytes) : SignedBlobReader(bytes)
 {
 }
 
-TMDReader::TMDReader(std::vector<u8>&& bytes) : m_bytes(std::move(bytes))
+TMDReader::TMDReader(std::vector<u8>&& bytes) : SignedBlobReader(std::move(bytes))
 {
 }
 
-void TMDReader::SetBytes(const std::vector<u8>& bytes)
-{
-  m_bytes = bytes;
-}
-
-void TMDReader::SetBytes(std::vector<u8>&& bytes)
-{
-  m_bytes = std::move(bytes);
-}
-
 bool TMDReader::IsValid() const
 {
+  if (!IsSignatureValid())
+    return false;
+
   if (m_bytes.size() < sizeof(TMDHeader))
   {
     // TMD is too small to contain its base fields.
@@ -199,11 +192,6 @@ bool TMDReader::IsValid() const
   return true;
 }
 
-const std::vector<u8>& TMDReader::GetRawTMD() const
-{
-  return m_bytes;
-}
-
 std::vector<u8> TMDReader::GetRawHeader() const
 {
   return std::vector<u8>(m_bytes.begin(), m_bytes.begin() + sizeof(TMDHeader));
@@ -331,37 +319,17 @@ bool TMDReader::FindContentById(u32 id, Content* content) const
   return false;
 }
 
-void TMDReader::DoState(PointerWrap& p)
-{
-  p.Do(m_bytes);
-}
-
-TicketReader::TicketReader(const std::vector<u8>& bytes) : m_bytes(bytes)
+TicketReader::TicketReader(const std::vector<u8>& bytes) : SignedBlobReader(bytes)
 {
 }
 
-TicketReader::TicketReader(std::vector<u8>&& bytes) : m_bytes(std::move(bytes))
+TicketReader::TicketReader(std::vector<u8>&& bytes) : SignedBlobReader(std::move(bytes))
 {
 }
 
-void TicketReader::SetBytes(const std::vector<u8>& bytes)
-{
-  m_bytes = bytes;
-}
-
-void TicketReader::SetBytes(std::vector<u8>&& bytes)
-{
-  m_bytes = std::move(bytes);
-}
-
 bool TicketReader::IsValid() const
 {
-  return !m_bytes.empty() && m_bytes.size() % sizeof(Ticket) == 0;
-}
-
-void TicketReader::DoState(PointerWrap& p)
-{
-  p.Do(m_bytes);
+  return IsSignatureValid() && !m_bytes.empty() && m_bytes.size() % sizeof(Ticket) == 0;
 }
 
 size_t TicketReader::GetNumberOfTickets() const
@@ -369,11 +337,6 @@ size_t TicketReader::GetNumberOfTickets() const
   return m_bytes.size() / sizeof(Ticket);
 }
 
-const std::vector<u8>& TicketReader::GetRawTicket() const
-{
-  return m_bytes;
-}
-
 std::vector<u8> TicketReader::GetRawTicket(u64 ticket_id_to_find) const
 {
   for (size_t i = 0; i < GetNumberOfTickets(); ++i)
@@ -404,13 +367,6 @@ std::vector<u8> TicketReader::GetRawTicketView(u32 ticket_num) const
   return view;
 }
 
-std::string TicketReader::GetIssuer() const
-{
-  const char* bytes =
-      reinterpret_cast<const char*>(m_bytes.data() + offsetof(Ticket, signature.issuer));
-  return std::string(bytes, strnlen(bytes, sizeof(Ticket::signature.issuer)));
-}
-
 u32 TicketReader::GetDeviceId() const
 {
   return Common::swap32(m_bytes.data() + offsetof(Ticket, device_id));
diff --git a/Source/Core/Core/IOS/ES/Formats.h b/Source/Core/Core/IOS/ES/Formats.h
index 83666f726c..dd3c0aad9c 100644
--- a/Source/Core/Core/IOS/ES/Formats.h
+++ b/Source/Core/Core/IOS/ES/Formats.h
@@ -169,20 +169,16 @@ protected:
 
 bool IsValidTMDSize(size_t size);
 
-class TMDReader final
+class TMDReader final : public SignedBlobReader
 {
 public:
   TMDReader() = default;
   explicit TMDReader(const std::vector<u8>& bytes);
   explicit TMDReader(std::vector<u8>&& bytes);
 
-  void SetBytes(const std::vector<u8>& bytes);
-  void SetBytes(std::vector<u8>&& bytes);
-
   bool IsValid() const;
 
-  // Returns the TMD or parts of it without any kind of parsing. Intended for use by ES.
-  const std::vector<u8>& GetRawTMD() const;
+  // Returns parts of the TMD without any kind of parsing. Intended for use by ES.
   std::vector<u8> GetRawHeader() const;
   std::vector<u8> GetRawView() const;
 
@@ -203,27 +199,17 @@ public:
   bool GetContent(u16 index, Content* content) const;
   std::vector<Content> GetContents() const;
   bool FindContentById(u32 id, Content* content) const;
-
-  void DoState(PointerWrap& p);
-
-private:
-  std::vector<u8> m_bytes;
 };
 
-class TicketReader final
+class TicketReader final : public SignedBlobReader
 {
 public:
   TicketReader() = default;
   explicit TicketReader(const std::vector<u8>& bytes);
   explicit TicketReader(std::vector<u8>&& bytes);
 
-  void SetBytes(const std::vector<u8>& bytes);
-  void SetBytes(std::vector<u8>&& bytes);
-
   bool IsValid() const;
-  void DoState(PointerWrap& p);
 
-  const std::vector<u8>& GetRawTicket() const;
   std::vector<u8> GetRawTicket(u64 ticket_id) const;
   size_t GetNumberOfTickets() const;
 
@@ -233,7 +219,6 @@ public:
   // more than just one ticket and generate ticket views for them, so we implement it too.
   std::vector<u8> GetRawTicketView(u32 ticket_num) const;
 
-  std::string GetIssuer() const;
   u32 GetDeviceId() const;
   u64 GetTitleId() const;
   std::vector<u8> GetTitleKey() const;
@@ -244,9 +229,6 @@ public:
   // Decrypts the title key field for a "personalised" ticket -- one that is device-specific
   // and has a title key that must be decrypted first.
   s32 Unpersonalise();
-
-private:
-  std::vector<u8> m_bytes;
 };
 
 class SharedContentMap final
diff --git a/Source/Core/Core/IOS/ES/NandUtils.cpp b/Source/Core/Core/IOS/ES/NandUtils.cpp
index d0fb59745d..7f5b3a026d 100644
--- a/Source/Core/Core/IOS/ES/NandUtils.cpp
+++ b/Source/Core/Core/IOS/ES/NandUtils.cpp
@@ -254,7 +254,7 @@ bool ES::WriteImportTMD(const IOS::ES::TMDReader& tmd)
 
   {
     File::IOFile file(tmd_path, "wb");
-    if (!file.WriteBytes(tmd.GetRawTMD().data(), tmd.GetRawTMD().size()))
+    if (!file.WriteBytes(tmd.GetBytes().data(), tmd.GetBytes().size()))
       return false;
   }
 
diff --git a/Source/Core/Core/IOS/ES/TitleInformation.cpp b/Source/Core/Core/IOS/ES/TitleInformation.cpp
index 51c2dabc18..583c9d5aca 100644
--- a/Source/Core/Core/IOS/ES/TitleInformation.cpp
+++ b/Source/Core/Core/IOS/ES/TitleInformation.cpp
@@ -150,7 +150,7 @@ IPCCommandResult ES::GetStoredTMDSize(const IOCtlVRequest& request)
   if (!tmd.IsValid())
     return GetDefaultReply(FS_ENOENT);
 
-  const u32 tmd_size = static_cast<u32>(tmd.GetRawTMD().size());
+  const u32 tmd_size = static_cast<u32>(tmd.GetBytes().size());
   Memory::Write_U32(tmd_size, request.io_vectors[0].address);
 
   INFO_LOG(IOS_ES, "GetStoredTMDSize: %u bytes  for %016" PRIx64, tmd_size, title_id);
@@ -171,7 +171,7 @@ IPCCommandResult ES::GetStoredTMD(const IOCtlVRequest& request)
   // TODO: actually use this param in when writing to the outbuffer :/
   const u32 MaxCount = Memory::Read_U32(request.in_vectors[1].address);
 
-  const std::vector<u8> raw_tmd = tmd.GetRawTMD();
+  const std::vector<u8>& raw_tmd = tmd.GetBytes();
   if (raw_tmd.size() != request.io_vectors[0].size)
     return GetDefaultReply(ES_EINVAL);
 
diff --git a/Source/Core/Core/IOS/ES/TitleManagement.cpp b/Source/Core/Core/IOS/ES/TitleManagement.cpp
index 01d0627a89..ca81b76333 100644
--- a/Source/Core/Core/IOS/ES/TitleManagement.cpp
+++ b/Source/Core/Core/IOS/ES/TitleManagement.cpp
@@ -40,7 +40,7 @@ static ReturnCode WriteTicket(const IOS::ES::TicketReader& ticket)
   if (!ticket_file)
     return ES_EIO;
 
-  const std::vector<u8>& raw_ticket = ticket.GetRawTicket();
+  const std::vector<u8>& raw_ticket = ticket.GetBytes();
   return ticket_file.WriteBytes(raw_ticket.data(), raw_ticket.size()) ? IPC_SUCCESS : ES_EIO;
 }
 
@@ -394,7 +394,7 @@ ReturnCode ES::DeleteTicket(const u8* ticket_view)
   const u64 ticket_id = Common::swap64(ticket_view + offsetof(IOS::ES::TicketView, ticket_id));
   ticket.DeleteTicket(ticket_id);
 
-  const std::vector<u8>& new_ticket = ticket.GetRawTicket();
+  const std::vector<u8>& new_ticket = ticket.GetBytes();
   const std::string ticket_path = Common::GetTicketFileName(title_id, Common::FROM_SESSION_ROOT);
   {
     File::IOFile ticket_file(ticket_path, "wb");
@@ -505,7 +505,7 @@ ReturnCode ES::ExportTitleInit(Context& context, u64 title_id, u8* tmd_bytes, u3
 
   context.title_export.title_key = ticket.GetTitleKey();
 
-  const auto& raw_tmd = context.title_export.tmd.GetRawTMD();
+  const std::vector<u8>& raw_tmd = context.title_export.tmd.GetBytes();
   if (tmd_size != raw_tmd.size())
     return ES_EINVAL;
 
diff --git a/Source/Core/Core/IOS/ES/Views.cpp b/Source/Core/Core/IOS/ES/Views.cpp
index ead7a5b7e4..5e16aeac34 100644
--- a/Source/Core/Core/IOS/ES/Views.cpp
+++ b/Source/Core/Core/IOS/ES/Views.cpp
@@ -376,7 +376,7 @@ IPCCommandResult ES::DIGetTMDSize(const IOCtlVRequest& request)
   if (!GetTitleContext().active)
     return GetDefaultReply(ES_EINVAL);
 
-  Memory::Write_U32(static_cast<u32>(GetTitleContext().tmd.GetRawTMD().size()),
+  Memory::Write_U32(static_cast<u32>(GetTitleContext().tmd.GetBytes().size()),
                     request.io_vectors[0].address);
   return GetDefaultReply(IPC_SUCCESS);
 }
@@ -393,7 +393,7 @@ IPCCommandResult ES::DIGetTMD(const IOCtlVRequest& request)
   if (!GetTitleContext().active)
     return GetDefaultReply(ES_EINVAL);
 
-  const std::vector<u8>& tmd_bytes = GetTitleContext().tmd.GetRawTMD();
+  const std::vector<u8>& tmd_bytes = GetTitleContext().tmd.GetBytes();
 
   if (static_cast<u32>(tmd_bytes.size()) > tmd_size)
     return GetDefaultReply(ES_EINVAL);
diff --git a/Source/Core/UICommon/WiiUtils.cpp b/Source/Core/UICommon/WiiUtils.cpp
index e7b3834900..acd4713a33 100644
--- a/Source/Core/UICommon/WiiUtils.cpp
+++ b/Source/Core/UICommon/WiiUtils.cpp
@@ -27,8 +27,8 @@ bool InstallWAD(const std::string& wad_path)
   const auto es = ios.GetES();
 
   IOS::HLE::Device::ES::Context context;
-  if (es->ImportTicket(wad.GetTicket().GetRawTicket()) < 0 ||
-      es->ImportTitleInit(context, tmd.GetRawTMD()) < 0)
+  if (es->ImportTicket(wad.GetTicket().GetBytes()) < 0 ||
+      es->ImportTitleInit(context, tmd.GetBytes()) < 0)
   {
     PanicAlertT("WAD installation failed: Could not initialise title import.");
     return false;
diff --git a/Source/UnitTests/Core/IOS/ES/FormatsTest.cpp b/Source/UnitTests/Core/IOS/ES/FormatsTest.cpp
index b249fe8419..4f76bbd51e 100644
--- a/Source/UnitTests/Core/IOS/ES/FormatsTest.cpp
+++ b/Source/UnitTests/Core/IOS/ES/FormatsTest.cpp
@@ -76,7 +76,7 @@ void TMDReaderTest::TestGeneralInfo()
 
 void TMDReaderTest::TestRawTMDAndView()
 {
-  const std::vector<u8>& dolphin_tmd_bytes = m_tmd.GetRawTMD();
+  const std::vector<u8>& dolphin_tmd_bytes = m_tmd.GetBytes();
   // Separate check because gtest prints neither the size nor the full buffer.
   EXPECT_EQ(m_raw_tmd.size(), dolphin_tmd_bytes.size());
   EXPECT_EQ(m_raw_tmd, dolphin_tmd_bytes);