[E-Lang] Combining strong authentication and secrecy protocols.
Mon, 19 Feb 2001 15:59:18 -0800
> I am pleased to have run across an idea from Xerox called CBCC. I
> don't have the precise details of their code but the idea is
> extraordinarily simple. If you include a simple checksum in the
> plaintext and code and decode using CBC check the sum then you have
> strong authentication.
Also see the work on "encryption with message integrity for free" for
symmetric encyption, mostly done in the context of chaining modes for
And a very stimulating discussion of related techniques...
P.S. I haven't read about CBCC yet, so I don't know how much overlap
there is here.