how gpg works...
Thu Jun 28 21:30:02 2001
i sent the following to a friend and am trying to see if i understand
> > my understanding of pgp encryption is as follows:
> > 1. choose a random key
> > 2. using public key encryption, encrypt the key to cypher_text_key
> > 3. write out write keyid and cypher_text_key
> > 4. encrypt message using some symetric algorithm (idea or whatever)
> > to cypher_text_msg
> > 5. write out cypher_text_msg
> > so in the case of multiple recipients you just do steps 2 and 3
> > multiple times. i think this is just a side effect of the coice to
> > use symetric encryption for the message - this is done because symetric
> > encryption/decryption is much, much faster then public key encryption
> > or decryption.
so the more recipients there are, the bigger the message - but only for