Common: Create MD5Context class and ComputeMD5 function to minimize exposure to mbedtls throughout the project.

1 files changed, 22 insertions, 0 deletions

diff --git a/Source/Core/Common/Hash.h b/Source/Core/Common/Hash.h
index 6166b74bd9..531dcd94e1 100644
--- a/Source/Core/Common/Hash.h
+++ b/Source/Core/Common/Hash.h
@@ -4,6 +4,8 @@
 #pragma once
 
 #include <cstddef>
+#include <memory>
+#include <span>
 #include <string_view>
 
 #include "Common/CommonTypes.h"
@@ -21,4 +23,24 @@ u32 StartCRC32();
 u32 UpdateCRC32(u32 crc, const u8* data, size_t len);
 u32 ComputeCRC32(const u8* data, size_t len);
 u32 ComputeCRC32(std::string_view data);
+
+class MD5Context
+{
+public:
+  MD5Context();
+  ~MD5Context();
+
+  void Update(std::span<const u8> data);
+
+  // output should point to 16 bytes.
+  void Finish(u8* output);
+
+private:
+  struct Impl;
+  std::unique_ptr<Impl> m_impl;
+};
+
+// output should point to 16 bytes.
+void ComputeMD5(std::span<const u8> input, u8* output);
+
 }  // namespace Common