Nadav Golombick wrote:
Hi,
 Is there an average ratio to encrypted --> non-encrypted data?


It should be 1:1.

HOWEVER, it's more complex when you're talking about a complete system. Data should usually be compressed before encryption and there's normally framing and other added in the encrypted stream. One drops the ratio, the other increases it.

Further complicating this is the possibility that a really paranoid person will include frames containing random data. (There will be some hidden marker indicating that they should be ignored, of course.) It's hard to guess what's in an encrypted file if they're always padded to a multiple of a megabyte or two.

Bear
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