pub(crate) fn verify_xsig_signature(
master_public_bytes: &[u8],
) -> Result<(), String> {
let master_public_record =
std::str::from_utf8(master_public_bytes).map_err(|e| e.to_string())?;
let file_bytes = fs::read(file_to_verify).map_err(|e| e.to_string())?;
let xsigfile_record = fs::read_to_string(signature_file).map_err(|e| e.to_string())?;
match xsig::verify_file_with_master_public(master_public_record, &file_bytes, &xsigfile_record)
Err(err) => Err(format!("{err:?}")),