VolumeVerifier: enable fast hash functions by default

sets defaults based on cpu support.

Source/Core/Common/Crypto/SHA1.cpp

@@ -59,6 +59,7 @@ class ContextMbed final : public Context
     ASSERT(!mbedtls_sha1_finish_ret(&ctx, digest.data()));
     return digest;
   }
+  virtual bool HwAccelerated() const override { return false; }
 
 private:
   mbedtls_sha1_context ctx{};
@@ -249,6 +250,8 @@ class ContextX64SHA1 final : public BlockContext
     return digest;
   }
 
+  virtual bool HwAccelerated() const override { return true; }
+
   std::array<__m128i, 2> state{};
 };
 
@@ -363,6 +366,8 @@ class ContextNeon final : public BlockContext
     return digest;
   }
 
+  virtual bool HwAccelerated() const override { return true; }
+
   State state;
 };
 

Source/Core/Common/Crypto/SHA1.h

@@ -25,6 +25,7 @@ class Context
   virtual void Update(const u8* msg, size_t len) = 0;
   void Update(const std::vector<u8>& msg) { return Update(msg.data(), msg.size()); }
   virtual Digest Finish() = 0;
+  virtual bool HwAccelerated() const = 0;
 };
 
 std::unique_ptr<Context> CreateContext();

Source/Core/DiscIO/VolumeVerifier.cpp

@@ -18,6 +18,7 @@
 
 #include "Common/Align.h"
 #include "Common/Assert.h"
+#include "Common/CPUDetect.h"
 #include "Common/CommonPaths.h"
 #include "Common/CommonTypes.h"
 #include "Common/Crypto/SHA1.h"
@@ -374,6 +375,24 @@ VolumeVerifier::~VolumeVerifier()
   WaitForAsyncOperations();
 }
 
+Hashes<bool> VolumeVerifier::GetDefaultHashesToCalculate()
+{
+  Hashes<bool> hashes_to_calculate{.crc32 = true, .md5 = true, .sha1 = true};
+  // If the system can compute certain hashes faster than others, only default-enable the fast ones.
+  const bool sha1_hw_accel = Common::SHA1::CreateContext()->HwAccelerated();
+  // For crc32, we assume zlib-ng will be fast if cpu supports crc32
+  const bool crc32_hw_accel = cpu_info.bCRC32;
+  if (crc32_hw_accel || sha1_hw_accel)
+  {
+    hashes_to_calculate.crc32 = crc32_hw_accel;
+    // md5 has no accelerated implementation at the moment, always default to off
+    hashes_to_calculate.md5 = false;
+    // Always enable SHA1, to avoid situation where only crc32 is computed
+    hashes_to_calculate.sha1 = true;
+  }
+  return hashes_to_calculate;
+}
+
 void VolumeVerifier::Start()
 {
   ASSERT(!m_started);

Source/Core/DiscIO/VolumeVerifier.h

@@ -127,6 +127,7 @@ class VolumeVerifier final
   VolumeVerifier(const Volume& volume, bool redump_verification, Hashes<bool> hashes_to_calculate);
   ~VolumeVerifier();
 
+  static Hashes<bool> GetDefaultHashesToCalculate();
   void Start();
   void Process();
   u64 GetBytesProcessed() const;

Source/Core/DolphinQt/Config/VerifyWidget.cpp

@@ -74,11 +74,18 @@ void VerifyWidget::CreateWidgets()
   std::tie(m_md5_checkbox, m_md5_line_edit) = AddHashLine(m_hash_layout, tr("MD5:"));
   std::tie(m_sha1_checkbox, m_sha1_line_edit) = AddHashLine(m_hash_layout, tr("SHA-1:"));
 
+  const auto default_to_calculate = DiscIO::VolumeVerifier::GetDefaultHashesToCalculate();
+  m_crc32_checkbox->setChecked(default_to_calculate.crc32);
+  m_md5_checkbox->setChecked(default_to_calculate.md5);
+  m_sha1_checkbox->setChecked(default_to_calculate.sha1);
+
   m_redump_layout = new QFormLayout;
   if (DiscIO::IsDisc(m_volume->GetVolumeType()))
   {
     std::tie(m_redump_checkbox, m_redump_line_edit) =
         AddHashLine(m_redump_layout, tr("Redump.org Status:"));
+    m_redump_checkbox->setChecked(CanVerifyRedump());
+    UpdateRedumpEnabled();
   }
   else
   {
@@ -98,7 +105,6 @@ std::pair<QCheckBox*, QLineEdit*> VerifyWidget::AddHashLine(QFormLayout* layout,
   QLineEdit* line_edit = new QLineEdit(this);
   line_edit->setReadOnly(true);
   QCheckBox* checkbox = new QCheckBox(tr("Calculate"), this);
-  checkbox->setChecked(true);
 
   QHBoxLayout* hbox_layout = new QHBoxLayout;
   hbox_layout->addWidget(line_edit);

Source/Core/DolphinTool/VerifyCommand.cpp

@@ -57,11 +57,22 @@ int VerifyCommand::Main(const std::vector<std::string>& args)
     algorithm = static_cast<const char*>(options.get("algorithm"));
   }
 
-  bool enable_crc32 = algorithm == std::nullopt || algorithm == "crc32";
-  bool enable_md5 = algorithm == std::nullopt || algorithm == "md5";
-  bool enable_sha1 = algorithm == std::nullopt || algorithm == "sha1";
+  DiscIO::Hashes<bool> hashes_to_calculate{};
+  if (algorithm == std::nullopt)
+  {
+    hashes_to_calculate = DiscIO::VolumeVerifier::GetDefaultHashesToCalculate();
+  }
+  else
+  {
+    if (algorithm == "crc32")
+      hashes_to_calculate.crc32 = true;
+    else if (algorithm == "md5")
+      hashes_to_calculate.md5 = true;
+    else if (algorithm == "sha1")
+      hashes_to_calculate.sha1 = true;
+  }
 
-  if (!enable_crc32 && !enable_md5 && !enable_sha1)
+  if (!hashes_to_calculate.crc32 && !hashes_to_calculate.md5 && !hashes_to_calculate.sha1)
   {
     // optparse should protect from this
     std::cerr << "Error: No algorithms selected for the operation" << std::endl;
@@ -78,7 +89,7 @@ int VerifyCommand::Main(const std::vector<std::string>& args)
 
   // Verify the volume
   const std::optional<DiscIO::VolumeVerifier::Result> result =
-      VerifyVolume(volume, enable_crc32, enable_md5, enable_sha1);
+      VerifyVolume(volume, hashes_to_calculate);
   if (!result)
   {
     std::cerr << "Error: Unable to verify volume" << std::endl;
@@ -91,15 +102,15 @@ int VerifyCommand::Main(const std::vector<std::string>& args)
   }
   else
   {
-    if (enable_crc32 && !result->hashes.crc32.empty())
+    if (hashes_to_calculate.crc32 && !result->hashes.crc32.empty())
       std::cout << HashToHexString(result->hashes.crc32) << std::endl;
-    else if (enable_md5 && !result->hashes.md5.empty())
+    else if (hashes_to_calculate.md5 && !result->hashes.md5.empty())
       std::cout << HashToHexString(result->hashes.md5) << std::endl;
-    else if (enable_sha1 && !result->hashes.sha1.empty())
+    else if (hashes_to_calculate.sha1 && !result->hashes.sha1.empty())
       std::cout << HashToHexString(result->hashes.sha1) << std::endl;
     else
     {
-      std::cerr << "Error: No hash available" << std::endl;
+      std::cerr << "Error: No hash computed" << std::endl;
       return 1;
     }
   }
@@ -112,17 +123,17 @@ void VerifyCommand::PrintFullReport(const std::optional<DiscIO::VolumeVerifier::
   if (!result->hashes.crc32.empty())
     std::cout << "CRC32: " << HashToHexString(result->hashes.crc32) << std::endl;
   else
-    std::cout << "CRC32 not available" << std::endl;
+    std::cout << "CRC32 not computed" << std::endl;
 
   if (!result->hashes.md5.empty())
     std::cout << "MD5: " << HashToHexString(result->hashes.md5) << std::endl;
   else
-    std::cout << "MD5 not available" << std::endl;
+    std::cout << "MD5 not computed" << std::endl;
 
   if (!result->hashes.sha1.empty())
     std::cout << "SHA1: " << HashToHexString(result->hashes.sha1) << std::endl;
   else
-    std::cout << "SHA1 not available" << std::endl;
+    std::cout << "SHA1 not computed" << std::endl;
 
   std::cout << "Problems Found: " << (result->problems.size() > 0 ? "Yes" : "No") << std::endl;
 
@@ -156,13 +167,13 @@ void VerifyCommand::PrintFullReport(const std::optional<DiscIO::VolumeVerifier::
 }
 
 std::optional<DiscIO::VolumeVerifier::Result>
-VerifyCommand::VerifyVolume(std::shared_ptr<DiscIO::VolumeDisc> volume, bool enable_crc32,
-                            bool enable_md5, bool enable_sha1)
+VerifyCommand::VerifyVolume(std::shared_ptr<DiscIO::VolumeDisc> volume,
+                            const DiscIO::Hashes<bool>& hashes_to_calculate)
 {
   if (!volume)
     return std::nullopt;
 
-  DiscIO::VolumeVerifier verifier(*volume, false, {enable_crc32, enable_md5, enable_sha1});
+  DiscIO::VolumeVerifier verifier(*volume, false, hashes_to_calculate);
 
   verifier.Start();
   while (verifier.GetBytesProcessed() != verifier.GetTotalBytes())

Source/Core/DolphinTool/VerifyCommand.h

@@ -23,8 +23,8 @@ class VerifyCommand final : public Command
   void PrintFullReport(const std::optional<DiscIO::VolumeVerifier::Result> result);
 
   std::optional<DiscIO::VolumeVerifier::Result>
-  VerifyVolume(std::shared_ptr<DiscIO::VolumeDisc> volume, bool enable_crc32, bool enable_md5,
-               bool enable_sha1);
+  VerifyVolume(std::shared_ptr<DiscIO::VolumeDisc> volume,
+               const DiscIO::Hashes<bool>& hashes_to_calculate);
 
   std::string HashToHexString(const std::vector<u8>& hash);
 };