encryption bloats file
Robert J. Hansen
rjh at sixdemonbag.org
Fri Jun 18 01:21:32 CEST 2010
On 6/17/2010 2:16 PM, Scott Lambdin wrote:
> The vender told our trading partner their PGP software bloats the file
> and that is just the way it is. I do not understand how the encrypted
> file (or the file that contains the encrypted file) can be over twice
> the size of the original, when the senders believe they have used
This is not unheard of.
First, compression only works when the data hasn't already been
compressed. Many data formats (.jpgs, .pdfs, etc.) incorporate
compression, and so cannot be further reduced.
Second, if the sender is using ASCII armoring for their message, that
will result in an enormous increase in file size. (On the plus side, it
means the message is a text message, which is more convenient for some
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