If you have the key, trying to decrypt it is THE solution ;-)

Otherwise a compression test may be a quick (but bad) solution depending on the data being transmitted.
(quite efficient if you transmit text, or other redundant informations)

If you can't save space by compressing it :
It's probably that it's

"Only Bad Coders Badly Code In Perl" (OBC2IP)

In reply to Re: How to tell if something is encrypted by arhuman
in thread How to tell if something is encrypted by Sifmole

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