Function mbedtls_sys::mbedtls_rsa_private

pub unsafe extern "C" fn mbedtls_rsa_private(
    ctx: *mut mbedtls_rsa_context, 
    f_rng: Option<unsafe extern "C" fn(_: *mut c_void, _: *mut c_uchar, _: size_t) -> c_int>, 
    p_rng: *mut c_void, 
    input: *const c_uchar, 
    output: *mut c_uchar
) -> c_int