Berkeley CSUA MOTD:Entry 38251
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2025/07/08 [General] UID:1000 Activity:popular
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2005/6/22-23 [Computer/SW/OS/OsX] UID:38251 Activity:high
6/22    When I burn an iso image using the "Disk Utility" in OS X (Tiger)
        and I then use readcd on a linux box to verify the md5sum of the
        burned cd, the md5sum of the CD doesn't match the md5sum of the
        origional iso file. Is OS X modifying the iso image before it
        burns it or something? Seems strange.
        \_ Does this match on any of your other burned-CDs vs. ISO files?
           \_ Yeah, if I burn the same image on my linux box using
              cdrecord and then read it back with readcd, the md5sum is
              the same, the file size is the same. identical. I'm testing
              another tiger mac to see if it does the same thing.
              Wierdest is that the cd that mac burns makes a smaller image.
              Confirmed on an iMac G5 and an iBook G4 both running tiger.
              I'd love to know what part of the CD is getting changed.