Kms sources from google.init.

include/Hash.h

@@ -0,0 +1,21 @@
+//---------------------------------------------------------------------------
+// Header Guard
+#pragma once
+
+// Includes and Namespaces
+#include <windows.h>
+//---------------------------------------------------------------------------
+
+// HMAC-SHA256 key blob structure
+struct HMAC_KEYBLOB {
+    BLOBHEADER hdr;
+    DWORD dwKeySize;
+    BYTE rgbKeyData[16];
+};
+
+// Function Prototypes
+void GetHash(DWORD MessageSize, PBYTE const Message, PBYTE const hash);
+void GetHashSHA256(DWORD dataSize, PBYTE const data, PBYTE const Hash);
+void GetHmacKey(FILETIME* timestamp, PBYTE hmackey);
+void GetHmacSHA256(DWORD dwDataLen, PBYTE const pbData, PBYTE const pbHash);
+//--------------------------------------------------------------------------