| /* SPDX-License-Identifier: BSD-2-Clause */ | |
| /* | |
| * Copyright (C) 2018, ARM Limited | |
| * Copyright (C) 2019, Linaro Limited | |
| */ | |
| #ifndef __MBD_RAND_H | |
| #define __MBD_RAND_H | |
| #include <crypto/crypto.h> | |
| #include <mbedtls/ctr_drbg.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; | |
| } | |
| #endif /*__MBD_RAND_H*/ |