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/*
* Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <debug.h>
/* mbed TLS headers */
#include <mbedtls/memory_buffer_alloc.h>
#include <mbedtls/platform.h>
/*
* mbed TLS heap
*/
#if (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_ECDSA)
#define MBEDTLS_HEAP_SIZE (14*1024)
#elif (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA)
#define MBEDTLS_HEAP_SIZE (8*1024)
#endif
static unsigned char heap[MBEDTLS_HEAP_SIZE];
/*
* mbed TLS initialization function
*/
void mbedtls_init(void)
{
static int ready;
if (!ready) {
/* Initialize the mbed TLS heap */
mbedtls_memory_buffer_alloc_init(heap, MBEDTLS_HEAP_SIZE);
/* Use reduced version of snprintf to save space. */
mbedtls_platform_set_snprintf(tf_snprintf);
ready = 1;
}
}
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