maybe you could add some heuristics based on the kind of data; compress before hash if the data is text (4D Write, HTML, PDF, etc), or slice and progressively hash if the data is predominantly large or tends to start with a standard header section.
> 2017/11/08 17:11、Wayne Stewart via 4D_Tech <[email protected]> のメール： > I won't know in advance. It could be anything but most likely stored > documents (pdfs etc) ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
