Move AES code to Common/Crypto

Source/Core/Common/CMakeLists.txt

@@ -30,6 +30,7 @@ set(SRCS Analytics.cpp
          x64ABI.cpp
          x64Emitter.cpp
          MD5.cpp
+         Crypto/AES.cpp
          Crypto/bn.cpp
          Crypto/ec.cpp
          Logging/LogManager.cpp)

Source/Core/Common/Common.vcxproj

@@ -139,6 +139,7 @@
     <ClInclude Include="x64ABI.h" />
     <ClInclude Include="x64Emitter.h" />
     <ClInclude Include="x64Reg.h" />
+    <ClInclude Include="Crypto\AES.h" />
     <ClInclude Include="Crypto\bn.h" />
     <ClInclude Include="Crypto\ec.h" />
     <ClInclude Include="Logging\ConsoleListener.h" />
@@ -188,6 +189,7 @@
     <ClCompile Include="x64CPUDetect.cpp" />
     <ClCompile Include="x64Emitter.cpp" />
     <ClCompile Include="x64FPURoundMode.cpp" />
+    <ClCompile Include="Crypto\AES.cpp" />
     <ClCompile Include="Crypto\bn.cpp" />
     <ClCompile Include="Crypto\ec.cpp" />
     <ClCompile Include="Logging\LogManager.cpp" />

Source/Core/Common/Common.vcxproj.filters

@@ -75,6 +75,9 @@
     <ClInclude Include="Logging\LogManager.h">
       <Filter>Logging</Filter>
     </ClInclude>
+    <ClInclude Include="Crypto\AES.h">
+      <Filter>Crypto</Filter>
+    </ClInclude>
     <ClInclude Include="Crypto\ec.h">
       <Filter>Crypto</Filter>
     </ClInclude>
@@ -259,6 +262,9 @@
     <ClCompile Include="x64CPUDetect.cpp" />
     <ClCompile Include="x64Emitter.cpp" />
     <ClCompile Include="x64FPURoundMode.cpp" />
+    <ClCompile Include="Crypto\AES.cpp">
+      <Filter>Crypto</Filter>
+    </ClCompile>
     <ClCompile Include="Crypto\bn.cpp">
       <Filter>Crypto</Filter>
     </ClCompile>

Source/Core/Common/Crypto/AES.cpp

@@ -0,0 +1,24 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <mbedtls/aes.h>
+
+#include "Common/Crypto/AES.h"
+
+namespace Common
+{
+namespace AES
+{
+std::vector<u8> Decrypt(const u8* key, u8* iv, const u8* src, size_t size)
+{
+  mbedtls_aes_context aes_ctx;
+  std::vector<u8> buffer(size);
+
+  mbedtls_aes_setkey_dec(&aes_ctx, key, 128);
+  mbedtls_aes_crypt_cbc(&aes_ctx, MBEDTLS_AES_DECRYPT, size, iv, src, buffer.data());
+
+  return buffer;
+}
+}  // namespace AES
+}  // namespace Common

Source/Core/Common/Crypto/AES.h

@@ -0,0 +1,18 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <vector>
+
+#include "Common/CommonTypes.h"
+
+namespace Common
+{
+namespace AES
+{
+std::vector<u8> Decrypt(const u8* key, u8* iv, const u8* src, size_t size);
+}  // namespace AES
+}  // namespace Common