The Future
The problem of key exchange has not yet been solved. In particular, it has not yet been solved for the modern situation of two previously unknown users attempting to communicate electronically, as, for instance, in electronic commerce. Some of the existing work-around designs work, more or less, but are not fully satisfactory.
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“Captain Hank Quinlan: Cmon, read my future for me.
Tanya: You havent got any.
Captain Hank Quinlan: Hmmm. Whadya mean?
Tanya: Your future is all used up.”
—Orson Welles (19151985)
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To sound unlike a birthday card,
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—Philip Larkin (19221986)