RAND_get_rand_method
const RAND_METHOD *meth = RAND_get_rand_method();
const RAND_METHOD *meth = RAND_get_rand_method();
const RAND_METHOD *meth = RAND_get_rand_method();
const RAND_METHOD *meth = RAND_get_rand_method();
const RAND_METHOD *meth = RAND_get_rand_method();
const RAND_METHOD *meth = RAND_get_rand_method();
const RAND_METHOD *meth = RAND_get_rand_method();
OSSL_DEPRECATEDIN_3_0 const RAND_METHOD *RAND_get_rand_method(void);
const RAND_METHOD *meth = RAND_get_rand_method();
if (!TEST_ptr_eq(RAND_get_rand_method(), RAND_OpenSSL()))