I am using HasCalc and I believe that your web page: https://fedoraproject.org/static/checksums/Fedora-12-i386-CHECKSUM
Provides invalid information. The hash below is a SHA256 Vice a SHA1 as stated in the quote below from your https://fedoraproject.org/static/checksums/Fedora-12-i386-CHECKSUM web page Pleas advise if I am correct.
Quote -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
f0ad929cd259957e160ea442eb80986b5f01daaffdbcc7e5a1840a666c4447c7 *Fedora-12-i386-DVD.iso ...
Unquote
Respectfuly: Robert 214-732-9094