arm-trusted-firmware/drivers/auth/mbedtls/mbedtls_common.c

35 lines
660 B
C

/*
* Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
/* mbed TLS headers */
#include <mbedtls/memory_buffer_alloc.h>
/*
* mbed TLS heap
*/
#if (TBBR_KEY_ALG_ID == TBBR_ECDSA)
#define MBEDTLS_HEAP_SIZE (14*1024)
#elif (TBBR_KEY_ALG_ID == TBBR_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);
ready = 1;
}
}