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An idea: If one does it, then one Should at Least try to do it Well

An idea: If one does it, then one Should at Least try to do it Well

Posted Aug 12, 2013 10:10 UTC (Mon) by dlang (subscriber, #313)
In reply to: An idea: If one does it, then one Should at Least try to do it Well by martin_vahi
Parent article: Gräßlin: FLOSS after Prism: Privacy by Default

you seem to be missing the reason that public key algorithms have been used, namely the difficulty in distributing and managing symmetric-key algorithms (including one-time-pads)

public key algorithms work when function1 and function2 are both well known, but it is impractical to derive one key when you know the other. If you are not willing to trust that, it's trivial today to use symmetric keys (if you solve the key distribution problem)


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