Timothy Goddard wrote:

> CRC32 can be found in the OpenSSL library. This is available with all
> standard installations.

Yes, I am aware of that (and that Zlib also has a Ccrc32 method I could 
substitute. It is just that the particular extension I'm after seems to 
adhere to the common interface of a Digest module ...

Of course I am still sorting out what exactly that is in terms of the 
code I've inherited so it may not be a big deal in the end. Still, if 
anyone has that tarball hanging about... :-)

Cheers,
Tim

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