Import Mbed OS hard-float snapshot

connectivity/drivers/mbedtls/TARGET_STM/hash_stm32.h

@@ -0,0 +1,56 @@
+/**
+  ******************************************************************************
+  * @brief   Header file of mbed TLS HW crypto (HASH) implementation.
+  ******************************************************************************
+  * @attention
+  *
+  *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+  *  Copyright (C) 2019 STMicroelectronics, All Rights Reserved
+  *
+  * This software component is licensed by ST under Apache 2.0 license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  * https://opensource.org/licenses/Apache-2.0
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HASH_H
+#define __HASH_H
+
+#if defined(MBEDTLS_SHA1_ALT) || defined(MBEDTLS_SHA256_ALT) || defined(MBEDTLS_MD5_ALT)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "cmsis.h"
+
+#if defined(MBEDTLS_THREADING_C)
+#include "mbedtls/threading.h"
+#endif
+
+/* macros --------------------------------------------------------------------*/
+/* constants -----------------------------------------------------------------*/
+#define ST_HASH_TIMEOUT ((uint32_t) 1000)  /* TO in ms for the hash processor */
+
+/* defines -------------------------------------------------------------------*/
+/* variables -----------------------------------------------------------------*/
+#if defined(MBEDTLS_THREADING_C)
+extern mbedtls_threading_mutex_t hash_mutex;
+extern unsigned char hash_mutex_started;
+#endif /* MBEDTLS_THREADING_C */
+
+extern unsigned int hash_context_count;
+
+/* functions prototypes ------------------------------------------------------*/
+extern void hash_zeroize(void *v, size_t n);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MBEDTLS_SHA1_ALT or MBEDTLS_SHA256_ALT or MBEDTLS_MD5_ALT */
+#endif /*__HASH_H */