By definition of symmetric encryption, you must use the same key to decrypt that was used to encrypt. I'm not sure what you're really asking.

When you say "public key is used to generate symmetric key" you lost me. Symmetric keys are typically just random numbers pulled from /dev/ random or similar.

Joe


On Jun 20, 2007, at 9:26 AM, Andrew Berg wrote:

Why can't I use the same (symmetric) key I used to encrypt (public key
is used to generate symmetric key that the corresponding private key
can calculate) to decrypt?


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