Sidney Markowitz wrote:
> "bear" <[EMAIL PROTECTED]> asked: > > But why does that buy me the ability to "easily" make a forgery? > > It doesn't. As described in the paper all you can do with it is the following: > > Mallory discovers that a message from Alice "Buy a carton of milk" and another > message from Alice "Get a dozen eggs" are sent with the same salt and have the > same MAC, ... It does to (as you can read in the paper). BTW, the "easily" applies to the case WITHOUT salt -- ie., without RMAC. But that's why RMAC was proposed ;-) Cheers, Ed Gerck --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]