409     contents = args.datafile.read()
416     if len(contents) % SECTOR_SIZE != 0:
424             pad_by = SECTOR_SIZE - (len(contents) % SECTOR_SIZE)
429             contents += b"\xff" * pad_by
433             sig_block = validate_signature_block(contents, sig_block_num)
462             contents = contents[: len(contents) - SECTOR_SIZE]
477         signature = generate_signature_using_hsm(config, contents)
502             signature, pub_key, contents
507             args.keyfile, contents
536         f.write(contents + signature_sector)
543 def generate_signature_using_hsm(config, contents):  argument
550     signature = hsm.sign_payload(private_key, contents)
559     signature, pub_key, contents  argument
568                 digest = _sha256_digest(contents)
589                     digest = _sha256_digest(contents)
594                     digest = _sha256_digest(contents)
599                     digest = _sha384_digest(contents)
630 def generate_signature_block_using_private_key(keyfiles, contents):  argument
637             digest = _sha256_digest(contents)
657                 digest = _sha256_digest(contents)
662                 digest = _sha256_digest(contents)
667                 digest = _sha384_digest(contents)
990 def _sha384_digest(contents):  argument
993     digest.update(contents)