[api, core, services, doc] Move includes of standard library into source files

Author: TofMassilia13320

README.md

@@ -62,9 +62,9 @@ Reference implementation for most common STSE applicative use case can be found
 Following applicative project can be used as reference for STSELib integration and usage.
 
 - STSAFE-A
-    - [stsafe-a-sdk](https://github.com/STMicroelectronics/STSAFE-A120-sdk) 
-    - [wolfssl-examples](https://github.com/wolfSSL/wolfssl-examples/tree/master/stsafe) developed and maintained by [WolfSSL](https://www.wolfssl.com/) 
-    - [Zephyr_st-stsafe-a1xx](https://github.com/catie-aq/zephyr_st-stsafe-a1xx) developed and maintained by [CATIE](https://www.catie.fr/language/en/home/) 
+    - [stsafe-a-sdk](https://github.com/STMicroelectronics/STSAFE-A120-sdk)
+    - [wolfssl-examples](https://github.com/wolfSSL/wolfssl-examples/tree/master/stsafe) developed and maintained by [WolfSSL](https://www.wolfssl.com/)
+    - [Zephyr_st-stsafe-a1xx](https://github.com/catie-aq/zephyr_st-stsafe-a1xx) developed and maintained by [CATIE](https://www.catie.fr/language/en/home/)
 
 
 - STSAFE-L

api/stse_aes.c

@@ -15,6 +15,9 @@
  *
  *****************************************************************************/
 
+/* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+
 #include "api/stse_aes.h"
 
 stse_ReturnCode_t stse_aes_ecb_encrypt(

api/stse_asymmetric_keys_management.c

@@ -16,6 +16,8 @@
  *****************************************************************************/
 
 /* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+#include <string.h>
 
 #include "api/stse_asymmetric_keys_management.h"
 

api/stse_derive_keys.c

@@ -15,6 +15,10 @@
  *
  *****************************************************************************/
 
+/* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+#include <string.h>
+
 #include "api/stse_derive_keys.h"
 
 stse_ReturnCode_t stse_derive_key(

api/stse_device_authentication.c

@@ -16,6 +16,7 @@
  *****************************************************************************/
 
 /* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
 
 #include "api/stse_device_authentication.h"
 #include "api/stse_ecc.h"

api/stse_device_management.c

@@ -16,6 +16,8 @@
  *****************************************************************************/
 
 /* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+
 #include "api/stse_device_management.h"
 
 /* Exported variables --------------------------------------------------------*/

api/stse_ecc.c

@@ -15,6 +15,9 @@
  *
  *****************************************************************************/
 
+/* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+
 #include "api/stse_ecc.h"
 
 stse_ReturnCode_t stse_ecc_verify_signature(

api/stse_hash.c

@@ -15,6 +15,9 @@
  *
  *****************************************************************************/
 
+/* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+
 #include "api/stse_hash.h"
 #include "services/stsafea/stsafea_frame_transfer.h"
 #include "services/stsafea/stsafea_hash.h"

api/stse_mac.c

@@ -15,6 +15,9 @@
  *
  *****************************************************************************/
 
+/* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+
 #include "api/stse_mac.h"
 
 stse_ReturnCode_t stse_cmac_hmac_compute(

api/stse_random.c

@@ -15,6 +15,9 @@
  *
  *****************************************************************************/
 
+/* Includes ------------------------------------------------------------------*/
+#include <stddef.h>
+
 #include "api/stse_random.h"
 
 stse_ReturnCode_t stse_generate_random(