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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2018, ARM Limited
* Copyright (C) 2019, Linaro Limited
*/
#ifndef MBED_HELPERS_H
#define MBED_HELPERS_H
#include <crypto/crypto.h>
#include <mbedtls/aes.h>
#include <mbedtls/bignum.h>
#include <mbedtls/ctr_drbg.h>
#include <tee_api_types.h>
static inline int mbd_rand(void *rng_state __unused, unsigned char *output,
size_t len)
{
if (crypto_rng_read(output, len))
return MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED;
return 0;
}
static inline void mbed_copy_mbedtls_aes_context(mbedtls_aes_context *dst,
mbedtls_aes_context *src)
{
*dst = *src;
}
TEE_Result mbed_gen_random_upto(mbedtls_mpi *n, mbedtls_mpi *max);
#endif /*MBED_HELPERS_H*/
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