Coupled programs

Eric Hughes (hughes@soda.berkeley.edu) wrote: : What needs to happen for : cryptography is the development of such protocols for key exchange, : signatures, and other cryptographic entities.

Mitra writes:

I thought that was the point of PEM? Why not integrate the PGP encryption protocol into the PEM structure?

I am talking about interactive protocols. To generate a session key for communication with some remote host will require both parties to cooperate. PEM is a standard for "privacy enchanced" electronic email formats and encryption methods. PEM is not a standard for interacting protocols. Eric