Files and Checksums

R

Rob

Good afternoon,

Is it possible to have JavaScript do a checksum of a file a user has
chosen to upload via a multipart html form? I'd like have JavaScript
do a checksum on the client side, embedded the result in the form, and
then have a CGI on the server check to ensure the server-side checksum
matches the client. Is such a thing even possible?

Thanks in advance for any advice.

Rob
 

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