mbedtls hardware bignum: Expose ESP-only bignum API in wrapper mbedtls/bignum.h

components/mbedtls/port/include/sha512_alt.h

@@ -1,9 +1,16 @@
-/*
- * copyright (c) 2010 - 2012 Espressif System
- *
- * esf Link List Descriptor
- */
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
 
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 #ifndef _SHA512_ALT_H_
 #define _SHA512_ALT_H_
 
@@ -30,4 +37,4 @@ typedef esp_sha_context  mbedtls_sha512_context;
 }
 #endif
 
-#endif /* sha512.h */
+#endif