Function libcryptsetup_rs_sys::crypt_activate_by_signed_key

pub unsafe extern "C" fn crypt_activate_by_signed_key(
    cd: *mut crypt_device,
    name: *const c_char,
    volume_key: *const c_char,
    volume_key_size: usize,
    signature: *const c_char,
    signature_size: usize,
    flags: u32
) -> c_int