Corrupting files

utternoncesense at utternoncesense at
Mon Jun 12 18:02:04 CEST 2006

If your modus operandi includes exchanging secret information outside
of normal channels (e.g., "change the case of the nth letter") you
would be better off exchanging more secure information than a single
change like that.  For example - a second set of public keys.  Encyrpt
your document twice, first with your friend's "private" public key,
then with his public-public key.  Or exchange the passphrase to a
symetrically encrypted file, then encypt the symmetrically encrypted
file with his public key.

Hell, try one-time pads.

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