Charles Lane wrote:
>
> Peter Prymmer <[EMAIL PROTECTED]> wrote:
> > On Thu, 2 Nov 2000, Charles Lane wrote:
>
> (about VMS checksum)
> > It might be nice to have such a checksummer available to unix perl,
> > just as a few months ago someone heeded a unix passwd hasher on VMS.
>
> Sure would; anyone with a spare 'tuit and an old VAX hardware/MACRO manual?
> I'm not completely sure, but I *think* that's the only place I've seen
> the CRC algorithm presented. Assuming that CHECKSUM actually uses
> CRC, which I'm not 100% sure of...
I believe its an XOR of longwords, with extra bytes added. I asked
either Hoff or Steve Lionel some time ago, and this is what I seem to
recall them saying, though I can't find the mail message, and a couple
of quick tests don't seem to work.
Dan, do you still have access to the source listings?
