drbg_convert_tfm_core
drbg_convert_tfm_core(crypto_tfm_alg_driver_name(tfm_base), &coreref,
drbg_convert_tfm_core("drbg_nopr_ctr_aes256", &coreref, &pr);
drbg_convert_tfm_core("drbg_nopr_sha256", &coreref, &pr);
drbg_convert_tfm_core("drbg_nopr_hmac_sha512", &coreref, &pr);