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The use of cryptography makes it virtually impossible to know anything. If everyone used to PGP to communicate. I mean everybody in the whole entire world. There would be no possible way to ever know what is going on.

What about signatures? You know (or at least you could) that I wrote this note, thanks to PGP. Crypto doesn't just hide things, it can establish indelible trails as well. In this particular instance, PGP has added to what you know, because the signature has added information to the post. Crypto isn't just about secrecy: it gives us a set of tools that allow us to have a great deal of control over how much of a trace our actions will leave, and who is able to see that trace. == Alex Strasheim | finger astrashe@nyx.cs.du.edu alex@omaha.com | for my PGP 2.6.1. public key -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBLtpzdxEpP7+baaPtAQEL2gP/afzRoPmDWYKWdOl7u4O4qDgB8QiQjzla RrKShPfmXK0U06eU5Wran1VYKYOaGkoRhQbZQXQ8T33sbFNHWKYPcDcYpXT6kkqu dT/AHcp/wuCYp0oeb65qYhuiemus0cFPWzfPujOkwKnm8r57lz9S8YVeSMHQzWrv glLORANPoO0= =r1q5 -----END PGP SIGNATURE-----