Hi,

Is there a way to produce a shared secret key to be used for symmetric 
encryption(e.g. AES) by using RSA key pairs? I know that the standard way 
of doing something like that is to use the recipient's RSA public key to 
encrypt the randomly generated symmetric key and then send it to the other 
side alongside the symmetrically encrypted message.
I wonder if it is possible to skip the first message and compute a shared 
secret by using each other's public keys, similar to how DH works.

Thanks,
George

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