OSSL_RAND_PARAM_GENERATE
drbg_params[0] = OSSL_PARAM_construct_uint(OSSL_RAND_PARAM_GENERATE,
p = OSSL_PARAM_locate(params, OSSL_RAND_PARAM_GENERATE);
OSSL_PARAM_uint(OSSL_RAND_PARAM_GENERATE, NULL),
p = OSSL_PARAM_locate_const(params, OSSL_RAND_PARAM_GENERATE);
OSSL_PARAM_uint(OSSL_RAND_PARAM_GENERATE, NULL),