diff --git a/base64.h b/base64.h
new file mode 100644
index 0000000..171f535
--- /dev/null
+++ b/base64.h
@@ -0,0 +1,13 @@
+#include "edk/BaseTypes.h"
+
+/**
+ * base64_decode
+ * Caller is responsible for freeing the returned buffer.
+ */
+UINT8 *base64_decode(const CHAR8 *src, INT32 len, INT32 *out_len);
+
+/**
+ * base64_encode
+ * Caller is responsible for freeing the returned buffer.
+ */
+CHAR8 *base64_encode(const UINT8 *src, INT32 len, INT32 *out_len);