Multiple recipients encryption

[Adam Schreiber]

On 10/26/07, Noiano <noiano at x-privat.org> wrote:
> I was wondering about how gnupg works when I encrypt a message for
> multiple recipients. As long as I know public-key encryption works as
> described in this image
> http://upload.wikimedia.org/wikipedia/commons/f/f9/Public_key_encryption.svg.
> But how about using multiple public keys? I really cannot figure it out.

When you encrypt data a session key is generated to encrypt the data
and the session key is then encrypted with the recipient's public key.
 When there are multiple recipients, the session key is encrypted with
each one's public key.

Cheers,

Adam