[rnhmjoj]

The checksum is really interesting and would be useful even today. I have looked for the scripts but the links are all gone [1], unfortunately.

EDIT: I have found it[2], finally. It's pretty sad that so much of the internet is getting forgotten, though.

[1]: https://web.archive.org/web/19980630210313/http://www.pgpi.c...

[2]: https://the.earth.li/pub/pgp/pgpi/5.5/books/ocr-tools.zip